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diff --git a/organizers-notebook.md b/organizers-notebook.md index ef153a5f..2ff10b06 100644 --- a/organizers-notebook.md +++ b/organizers-notebook.md @@ -20,43 +20,57 @@ This document is the general organizers' notebook that can be used as a starting - [Create the public organizers’ notebook in the wiki](#starting-up-the-conference-planning-process-create-the-public-organizers-notebook-in-the-wiki) - [Phases and lessons learned](#phases-and-lessons-learned) - [Draft CFP](#phases-and-lessons-learned-draft-cfp) - - [Announce](#org897f0c8) - - [Process proposals](#orgd12f3b1) - - [Accept proposals](#orgcbfca65) + - [Announce](#phases-and-lessons-learned-announce) + - [Process proposals](#phases-and-lessons-learned-process-proposals) + - [Accept proposals](#phases-and-lessons-learned-accept-proposals) - [Draft schedule](#draft-schedule) - - [Set up backstage and upload](#orgdbb77f2) - - [Post the schedule](#org9456d25) - - [Process uploaded files](#org75e87bb) - - [Generate assets](#org125bd75) - - [Prepare the infrastructure](#org9759aa9) - - [Getting ready for captions](#org9f978d1) + - [Set up backstage and upload](#phases-and-lessons-learned-set-up-backstage-and-upload) + - [Post the schedule](#phases-and-lessons-learned-post-the-schedule) + - [Process uploaded files](#phases-and-lessons-learned-process-uploaded-files) + - [Generate assets](#phases-and-lessons-learned-generate-assets) + - [Record pronunciations](#phases-and-lessons-learned-record-pronunciations) + - [Prepare the infrastructure](#phases-and-lessons-learned-prepare-the-infrastructure) + - [Getting ready for captions](#phases-and-lessons-learned-getting-ready-for-captions) - [Getting ready for the conference](#pre-conf) - [During the conference](#conf) -- [General infrastructure](#org85c6f49) + - [After the conference](#phases-and-lessons-learned-after-the-conference) +- [Ideas for improvement](#ideas) +- [General infrastructure](#general-infrastructure) + - [Linode instance sizes](#general-infrastructure-linode-instance-sizes) + - [File uploads](#upload) + - [Media processing](#general-infrastructure-media-processing) + - [Wiki](#general-infrastructure-wiki) - [Icecast](#icecast) - [Watching pages](#watch) - [VNC](#vnc) - [Streaming with OBS](#obs) - - [Shell scripts](#orgab7108a) + - [Mumble](#general-infrastructure-mumble) + - [Shell scripts](#general-infrastructure-shell-scripts) - [Backstage](#backstage) - - [IRC web client](#org5545d42) - - [Etherpad](#orgd7fd9ee) + - [Thelounge IRC web client](#general-infrastructure-irc-web-client) + - [Etherpad](#general-infrastructure-etherpad) - [Publishing media to the server and to the wiki](#media) - - [Automated IRC announcements](#org75cad9b) + - [Automated publishing to the media server](#general-infrastructure-automated-publishing-to-the-media-server) + - [Automated IRC announcements](#general-infrastructure-automated-irc-announcements) - [BigBlueButton](#bbb) - - [Manual IRC announcements](#org5a3d818) - - [Low-res stream](#orge08d62d) - - [Upload talks to YouTube](#org7f2e95e) - - [Restream to YouTube](#org0cc19c3) + - [Manual IRC announcements](#general-infrastructure-manual-irc-announcements) + - [Check test crontab](#general-infrastructure-check-test-crontab) + - [Confirm automated IRC announcements from res](#general-infrastructure-confirm-automated-irc-announcements-from-res) + - [Low-res stream](#general-infrastructure-low-res-stream) + - [Upload talks to YouTube](#general-infrastructure-upload-talks-to-youtube) + - [Restream to YouTube](#general-infrastructure-restream-to-youtube) + - [Restream to Toobnix](#general-infrastructure-restream-to-toobnix) + - [i3 window manager](#general-infrastructure-i3-window-manager) - [Other process notes](#other) - [Adding another user to BBB](#bbb-user) - - [When a talk is added after the schedule has already been drafted](#org4efd774) - - [When a talk is cancelled](#cancel-talk) + - [Schedule changes](#other-process-notes-schedule-changes) - [When a talk Q&A changes method](#change-talk-qa) - - [When a system is down](#org17cc58c) - - [When we need to bring on a last-minute volunteer](#org4636e4e) - - [Checking people in](#org811d67a) - - [Ansible](#org5d78595) + - [To play the other stream](#other-process-notes-to-play-the-other-stream) + - [When a system is down - status page](#other-process-notes-when-a-system-is-down) + - [When we need to bring on a last-minute volunteer](#other-process-notes-when-we-need-to-bring-on-a-last-minute-volunteer) + - [Checking people in](#other-process-notes-checking-people-in) + - [Ansible](#other-process-notes-ansible) + - [Updating a transcript](#other-process-notes-updating-a-transcript) <a id="starting-up-the-conference-planning-process"></a> @@ -74,24 +88,25 @@ This repository will store submissions, contact information, etc. 1. Create the repository on `front0`. Ex: + export YEAR=2025 sudo su - git cd repositories - mkdir emacsconf-2024-private.git - cd emacsconf-2024-private.git + mkdir emacsconf-$YEAR-private.git + cd emacsconf-$YEAR-private.git git init --bare -2. Edit `gitolite-admin/config/gitolite-conf`. Add lines for the group and the repo. Commit and push. Ex: +2. In the `gitolite-admin` repo, edit `conf/gitolite-conf`. Add lines for the group and the repo. Commit and push. Ex: @emacsconf-2024-org = bandali sachac ... repo emacsconf-2024-private - RW+ = @admins @emacsconf-2024-org orga -3. Clone the private repository into the appropriate location. `git clone git@git.emacsconf.org:emacsconf-2024-private private` + RW+ = @admins @emacsconf-2024-org orga +3. Clone the private repository into the appropriate location. `git clone git@git.emacsconf.org:emacsconf-2025-private private` <a id="starting-up-the-conference-planning-process-create-the-public-organizers-notebook-in-the-wiki"></a> ## Create the public organizers’ notebook in the wiki -Ex: 2024/organizers-notebook/index.org +Ex: <../2024/organizers-notebook/index.md> <a id="phases-and-lessons-learned"></a> @@ -105,14 +120,67 @@ Ex: 2024/organizers-notebook/index.org Create linked pages -- [ ] year index -- [ ] volunteer page -- [ ] submit page +- [ ] year index: ex: <../2024.md> +- [ ] volunteer page: ex: <../volunteer.md> +- [ ] submit page: ex: <../2024/submit.md> ### How to mark pages as drafts -Put inside double square brackets: `!template id=pagedraft` +Have a Markdown export block with the following contents. Replace { and } with [ and ]. + +\#+begin\_export md +{{!template id=pagedraft}} +\#+end\_export md + + +### Wiki template for year index + +Replace { and } with [ and ]. + + {{!meta copyright="Copyright © 2021-2022 Amin Bandali; 2023-2025 Sacha Chua"}} + + <p class="center">EmacsConf 2025 | Online Conference<br /> + <b>December 6 and 7, 2024 (Sat-Sun)</b></p> + + <p class="center">{{!img /i/emacsconf-logo1-256.png + alt="EmacsConf logo"}}</p> + + <p class="center">{{<b>Call for Participation</b>|cfp}} | {{Ideas}} | + {{Submit a Proposal|submit}} | {{Volunteer}} | {{Guidelines for Conduct|conduct}}</p> + + <p class="center">EmacsConf is the conference about the joy of + <a href="https://www.gnu.org/software/emacs/">GNU Emacs</a> and + Emacs Lisp.</p> + + We are busy putting things together for EmacsConf 2025, and we would + love to have *your* help to make EmacsConf 2025 amazing, much like the + previous EmacsConfs. See our {{**Call for Participation**|cfp}}, get + involved, and help spread the word! + + We are holding EmacsConf 2025 as an online conference again this year. + We remain fully committed to freedom, and we will continue using our + infrastructure and streaming setup consisting entirely of {free + software}{freesw}, much like previous EmacsConf conferences. + + For general EmacsConf discussions, join the + {emacsconf-discuss}(https://lists.gnu.org/mailman/listinfo/emacsconf-discuss) + mailing list. For discussions related to organizing EmacsConf, join + the + {emacsconf-org}(https://lists.gnu.org/mailman/listinfo/emacsconf-org) + mailing list. You can email us publicly at + <mailto:emacsconf-org@gnu.org> or privately at + <mailto:emacsconf-org-private@gnu.org>. + + Come hang out with us in the `#emacsconf` channel on `irc.libera.chat` + ({Libera.Chat}{libera} IRC network). You can join the chat using + {your favourite IRC client}{libera-emacsconf}, or by visiting + {chat.emacsconf.org}{chat} in your web browser. + + {freesw}: https://www.gnu.org/philosophy/free-sw.html + {libera}: https://libera.chat + {libera-emacsconf}: ircs://irc.libera.chat:6697/emacsconf + {chat}: https://chat.emacsconf.org ### Previous years @@ -120,6 +188,21 @@ Put inside double square brackets: `!template id=pagedraft` [2023](file:///home/sacha/proj/emacsconf/wiki/2023/cfp.md) +### Update dates + +<file:///home/sacha/proj/emacsconf/lisp/emacsconf.el> +<file:///home/sacha/proj/emacsconf/lisp/emacsconf-erc.el> + + +### Update the IRC topic + + (erc-cmd-OPALL) + (erc-cmd-CONFTOPIC (emacsconf-replace-plist-in-string + `(:year ,emacsconf-year :cfp-deadline ,emacsconf-cfp-deadline) + "Getting ready for EmacsConf ${year}! Call for proposals: https://emacsconf.org/${year}/cfp by ${cfp-deadline}, volunteer: https://emacsconf.org/volunteer/")) + (erc-cmd-DEOPALL) + + ### Lessons learned - Maybe incentivize proper timezone specification by saying we can translate times to their local time? @@ -157,7 +240,7 @@ Put inside double square brackets: `!template id=pagedraft` - Put the speaker introduction right after the talk description for easier web page copying. -<a id="org897f0c8"></a> +<a id="phases-and-lessons-learned-announce"></a> ## Announce @@ -165,7 +248,25 @@ Put inside double square brackets: `!template id=pagedraft` - Submit to <https://foss.events/> -<a id="orgd12f3b1"></a> +### Promote the conference + +Submit to <https://foss.events/> + +Maybe it would be good to get in touch with podcasts like + +- [System Crafters](https://systemcrafters.net/) +- [This Week in Linux](https://www.youtube.com/playlist?list=PLbFVcOQ-YH_LRP687N0YeN78YZmBp5wqF) +- [Linux Unplugged](https://linuxunplugged.com/) +- [Ask Noah](http://asknoahshow.com/) +- [Linux After Dark](https://linuxafterdark.net/) +- [Lispy Gopher Show](https://anonradio.net/) + +etc to give a heads up on EmacsConf before it +happens and also mention to them when videos are +available to spark more interest. + + +<a id="phases-and-lessons-learned-process-proposals"></a> ## Process proposals @@ -194,9 +295,9 @@ When proposals come in: PUBLIC\_EMAIL -<a id="orgcbfca65"></a> +<a id="phases-and-lessons-learned-accept-proposals"></a> -## Accept proposals +## Accept proposals :email: Setup: @@ -210,6 +311,18 @@ For each talk: 4. Use `emacsconf-publish-info-pages` and `emacsconf-publish-schedule` as needed. 5. Send acceptance e-mail with `emacsconf-mail-accept-talk` +After the CFP ends: + +1. Change the yyyy.md page to remove the CFP and submit links. +2. Update the yyyy/sidebar.md page to remove the CFP and submit links. +3. Update the yyyy/talks.md page to remove the CFP. +4. Change the IRC channel topics. + 1. `/opall`, + 2. ex: `/conftopic Getting ready for EmacsConf 2025! Volunteer: https://emacsconf.org/volunteer` + 3. `/deopall` + +[Example git commit](https://git.emacsconf.org/emacsconf-wiki/commit/?id=9b2c5a6f86d9e4c3faf4c7f028eabb758583fa97) + <a id="draft-schedule"></a> @@ -227,7 +340,15 @@ For each talk: - Add missing items to plan -<a id="orgdbb77f2"></a> +### TODO Send draft schedule to speakers :email: + +1. Evaluate the draft schedule we want to use. +2. `emacsconf-schedule-update-from-info` +3. `C-u M-x emacsconf-mail-template-to-all-groups RET emacsconf-mail-draft-schedule RET` +4. If that looks good, `M-x emacsconf-mail-template-to-all-groups`. You can use `M-x emacsconf-mail-merge-send-all` to send all the drafts, or send them one by one. + + +<a id="phases-and-lessons-learned-set-up-backstage-and-upload"></a> ## Set up backstage and upload @@ -238,7 +359,10 @@ Lessons learned: - Next year, let’s get upload.emacsconf.org in place as the domain name so that people don’t try to FTP files to it. -<a id="org9456d25"></a> +### DONE Send backstage and upload instructions :email: + + +<a id="phases-and-lessons-learned-post-the-schedule"></a> ## Post the schedule @@ -249,7 +373,7 @@ Lessons learned: - Update talks.md to refer to watch.md as well -<a id="org75e87bb"></a> +<a id="phases-and-lessons-learned-process-uploaded-files"></a> ## Process uploaded files @@ -264,6 +388,7 @@ Process: 1. Review uploaded files with <elisp:emacsconf-upload-dired> 2. Open the JSON for the file you want to process and use <elisp:emacsconf-upload-copy-from-json> . If more than one file uses the same extension, provide a suffix to disambiguate them. + If emacsconf-upload-copy-from-json might take a long time, you can also scp the file to your local 3. On res: 1. Create a directory ~/current/files/$slug. 2. Copy the uploaded file from ~/cache as `$video_slug--original.$extension`, or use `rename-original.sh $slug $file`. @@ -274,9 +399,9 @@ Process: 3. <elisp:emacsconf-publish-backstage-index> -<a id="org125bd75"></a> +<a id="phases-and-lessons-learned-generate-assets"></a> -## Generate assets +## TODO Generate assets ### In-between pages @@ -292,7 +417,32 @@ Process: - Splice together into a file that will be processed with subed-record-compile-video. -<a id="org9759aa9"></a> +### TODO Test videos + +<elisp:emacsconf-stream-generate-test-videos> + + +<a id="phases-and-lessons-learned-record-pronunciations"></a> + +## Record pronunciations + + +### DONE Record pronunciations + +1. mkdir -p ~/proj/emacsconf/2025/assets/intros ~/proj/emacsconf/2025/assets/in-between +2. cp ~/proj/emacsconf/2024/assets/in-between/template.svg ~/proj/emacsconf/2025/assets/in-between/template.svg +3. <elisp:emacsconf-stream-generate-in-between-pages> +4. Create ~/proj/emacsconf/2025/assets/intros/intro.vtt +5. <elisp:emacsconf-subed-intro-subtitles> +6. Record the audio, possibly with subed-record, left, and right. +7. Split the lines for nicer subtitles. +8. Use <elisp:subed-record-compile> + + +### DONE E-mail speakers asking them to confirm the pronunciations + + +<a id="phases-and-lessons-learned-prepare-the-infrastructure"></a> ## Prepare the infrastructure @@ -314,7 +464,7 @@ Checklist: - [ ] Icecast -<a id="org9f978d1"></a> +<a id="phases-and-lessons-learned-getting-ready-for-captions"></a> ## Getting ready for captions @@ -332,17 +482,83 @@ Onboarding: <elisp:emacsconf-pad-prepopulate-shift-hyperlists> -### TODO Send check-in details, schedule update, etc. +### DONE Check in with speakers for cancellations, adjustments + +emacsconf-mail-intro-to-all -### Two days before the conference +### DONE Record opening remarks -Go through the :tminustwo: tags. + +### TODO Send check-in details, schedule update, etc. :email: ### One day before the conference -Go through the :tminusone: tags. +- [X] Set `emacsconf-publishing-phase` to `conference`. +- [X] Set emacsconf-publish-include-pads to t. +- [X] Republish the schedule and the info pages. +- [X] Update the conf.org and the wiki on res. (~/emacsconf-2025-private, ~/emacsconf-wiki) +- [X] Resize the BBB server to production levels with bbb-prod: 16 GB $0.1440/hour 6 CPUs. MANUALLY CHECK DISK SIZE. +- [X] Send check-in details and last-minute schedule updates. +- [X] Start thelounge on front0: systemctl start thelounge. +- [X] Confirm I can connect to Mumble. +- [X] Resize front0 to production: front0 shared Linode 32GB 8 CPUs 640GB $0.2880/hour +- [X] Resize live0 to production: shared Linode 64GB 16 CPUs $0.5760/hour + - [X] CONFIRM DISK SIZE +- [X] Resize BBB to production + - [X] CONFIRM DISK SIZE +- [X] Start the VNC servers. + + #!/bin/bash + # SSH to both + cd ~/proj/emacsconf/emacsconf-ansible + + # Gen + export TRACK=gen; TRACK_PORT=5905; export SSH_PORT=46668 + ssh emacsconf-$TRACK@res.emacsconf.org -p $SSH_PORT /home/emacsconf-$TRACK/bin/track-vnc + sleep 5 + ssh emacsconf-$TRACK@res.emacsconf.org -N -L $TRACK_PORT:127.0.0.1:$TRACK_PORT -p $SSH_PORT & + xvncviewer 127.0.0.1:$TRACK_PORT -shared -geometry 1280x720 -passwd vnc-passwd-$TRACK & + + # Dev + export TRACK=dev; export TRACK_PORT=5906; export SSH_PORT=46668 + ssh emacsconf-$TRACK@res.emacsconf.org -p $SSH_PORT /home/emacsconf-$TRACK/bin/track-vnc + sleep 5 + ssh emacsconf-$TRACK@res.emacsconf.org -N -L $TRACK_PORT:127.0.0.1:$TRACK_PORT -p $SSH_PORT & + xvncviewer 127.0.0.1:$TRACK_PORT -shared -geometry 1280x720 -passwd vnc-passwd-$TRACK & +- [X] Confirm that we can use “Start Recording” to stream to gen. + - [X] play-with-intro sat-open + - [X] <https://live.emacsconf.org/2025/watch/gen/> + - [X] mpv <https://live0.emacsconf.org/gen.webm> + - [X] play-with-intro sun-open (to check the overlays) + - [X] <https://live.emacsconf.org/2025/watch/gen-480p/> + - [X] mpv <https://live0.emacsconf.org/gen-480p.webm> +- [X] Confirm that we can stream to dev. + - [X] play-with-intro sat-open + - [X] <https://live.emacsconf.org/2025/watch/dev/> + - [X] mpv <https://live0.emacsconf.org/dev.webm> + - [X] play-with-intro sun-open (to check the overlays) + - [X] <https://live.emacsconf.org/2025/watch/dev-480p/> + - [X] mpv <https://live0.emacsconf.org/dev-480p.webm> +- [X] Confirm that I can restream to YouTube. + - Settings - Stream, paste in the RTMP key for the relevant event, then Start Streaming. + - [X] gen + - [X] dev +- [X] Confirm that I can restream to Toobnix + - [X] live0: restream-gen-toobnix + - [X] live0: restream-dev-toobnix +- [X] Check automated announcements and publishing + - [X] orga@res: talk sat-open TO\_STREAM + - [X] <https://emacsconf.org/2025/talks/sat-open/> doesn’t have video + - [X] <https://media.emacsconf.org/2025> doesn’t have it + - orga@res: talk sat-open PLAYING + - [X] <https://emacsconf.org/2025/talks/sat-open/> has video and transcript + - [X] <https://media.emacsconf.org/2025> has talk files + - [X] IRC announcement in #emacsconf-gen +- [X] Confirm icecast stats are available: <http://live0.emacsconf.org/admin/stats> (username: admin, password is in prod-vars.yml) +- [X] Generate and check all the crontabs <elisp:emacsconf-stream-crontabs> +- [X] Generate all the hyperlists <a id="conf"></a> @@ -351,23 +567,524 @@ Go through the :tminusone: tags. <elisp:emacsconf-pad-open-shift-hyperlist> +VNC connection + +See <https://emacsconf.org/organizers-notebook/#vnc> + +DO NOT RESIZE THE WINDOW + +Manual control + +emacsconf-stream-display-clock-and-countdown + +Shell scripts: + +music + +handle-session <talk-id> (ex: handle-session sat-open) + +plays the intro, the video (if any), and opens the Q&A + +keep an eye on it + +play <talk-id> + +play-with-intro <talk-id> + +handle-qa <talk-id> + +bbb <talk-id> + + +<a id="phases-and-lessons-learned-after-the-conference"></a> + +## After the conference + + +### DONE Capture stats + +<http://live0.emacsconf.org:8001/status.xsl> + + +#### 2025 stats + +Saturday: +gen: 107 + 7 lowres +dev: 97 peak + 7 peak lowres + +Sunday: I forgot to copy icecast stats; maybe 70 peak on gen? + +Sunday: + +- res: + - %Cpu(s): 60.0 us, 6.7 sy, 0.0 ni, 33.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st + - MiB Mem : 48118.6 total, 15679.4 free, 7338.2 used, 26465.2 buff/cache +- bbb: + - CPU%: 3.0 us, 4.0 sy, 3.0 ni, 89.1 id, 0.0 wa, 0.0 hi, 1.0 si, 0.0 st + - Mem: 15988.8 total, 1450.0 free, 3552.0 used, 10986.9 buff/cache +- front: + - %Cpu(s): 2.4 us, 1.6 sy, 0.0 ni, 96.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st + - MiB Mem : 32169.5 total, 28072.2 free, 1257.1 used, 2840.2 buff/cache +- live: + - %Cpu(s): 7.5 us, 8.7 sy, 0.0 ni, 83.3 id, 0.0 wa, 0.0 hi, 0.4 si, 0.0 st + - MiB Mem : 64423.9 total, 56727.6 free, 797.6 used, 6898.8 buff/cache + + +#### 2024 stats + +Saturday: +gen: 177 peak + 14 peak lowres +dev: 226 peak + 79 peak lowres + +Sunday: +gen: 89 peak + 10 peak lowres + +<http://live0.emacsconf.org/admin/stats> (username: admin, password is in prod-vars.yml) + +meet peak 409% CPU (100% is 1 CPU), average 69.4% +front peak 70.66% CPU (100% is 1 CPU) +live peak 552% CPU (100% is 1 CPU) average 144% +res peak 81.54% total CPU (each OBS ~250%), mem 7GB used + +so far we have used 1.2TB of transfer this month -<a id="org85c6f49"></a> + +### DONE Back up the data + + +#### Etherpad + +<elisp:emacsconf-pad-backup-talks> + +This creates –pad.html and –pad.md in the cache. + + +#### Icecast + +rsync -avzue ssh live:’/data/emacsconf-2025-\*’ ~/proj/emacsconf/2025/backups + + +#### BigBlueButton + +rsync -avze ssh root@bbb:/var/bigbluebutton/ bbb/ + +ssh root@66.175.208.243 ’dd if=/dev/sda bs=5M ’ | dd of=bbb-img-2024-12-08.img status=progress + +The img can be loaded with +sudo losetup –find –show bbb-img-2024-12-08.img +sudo mount /dev/loop10 test +cd test + + +##### Reviewing all the Q&A durations and chat messages + + (let ((default-directory "/home/sacha/proj/emacsconf/2024/backups/bigbluebutton/published/video")) + (mapconcat + (lambda (dir) + (let ((chat (xml-parse-file + (expand-file-name "video.xml" dir))) + (metadata (xml-parse-file + (expand-file-name "metadata.xml" dir)))) + (concat + "- " + (dom-text (car (dom-by-tag metadata 'meetingName))) " (" + (format-seconds "%.2h:%z%.2m:%.2s" + (/ (string-to-number (dom-text (dom-by-tag metadata 'duration))) + 1000)) + ")" + "\n" + (if (dom-by-tag chat 'chattimeline) + (mapconcat (lambda (node) + (concat " - " (dom-attr node 'name) ": " + (dom-attr node 'message) "\n")) + (dom-by-tag chat 'chattimeline) + "") + "") + "") + ) + ) + (directory-files "." nil "-")) + ) + +- Copy IRC logs to cache and therefore to backstage: (ex: 2024-12-07-emacsconf-gen.txt) + + +### DONE Resize the server disks + +SSH and use df to check first. Needs to fit under these limits: + +- [X] front0: 25 GB + - [X] disk + - [X] server resized to Nanode 1 GB +- [X] live0: 25 GB + - [X] disk + - [X] server resized to Nanode 1 GB +- [X] bbb: 25 GB + - [X] disk + - [X] server resized to Nanode 1 GB + +Shut down the servers after backing up. + +1. In the Linode console, click on the linode. +2. Go to Storage. +3. Use the 3-dot menu on Debian 10 disk to reisze. + + +### DONE Process the Q&A recordings and live presentations; upload to YouTube + +- Save answers videos as –answers.webm. +- From the pad file: emacsconf-extract-copy-pad-to-wiki +- update cache +- Set `QA_PUBLIC` property to t as each Q&A gets processed. +- change status to `TO_INDEX_QA` +- emacsconf-publish-media-files-on-change +- emacsconf-publish-info-pages-for-talk + +Indexing + +- emacsconf-extract-insert-note-with-question-heading +- emacsconf-subed-make-chapter-file-based-on-comments +- emacsconf-subed-copy-current-chapter-text +- change status to `TO_CAPTION_QA` + +Also copy the YouTube comments and IRC comments +emacsconf-extract-irc-anonymize-log + +answers–backstage–split.txt +answers–backstage–split.vtt + +subed-shift-subtitles-to-start-at-timestamp + +ffmpeg -i –answers–backstage–reencoded.webm -ss START-TIME -to END-TIME –answers–backstage–trimmed.webm +ffmpeg -i –answers–backstage–trimmed.opus + +Open –answers–backstage–trimmed.opus in Audacity. Select all the audio with Ctrl+A. Use Filter - Effect - Volume and Compression to normalize it to -16 LUFS. Export to –answers–backstage–normalized.opus + +Use <https://studio.youtube.com> to upload the video. +Use emacsconf-publish-answers-description to get the answer description, and move the title (and possibly the speaker name) to the video title. +Add the video to the playlist. +Set the `QA_YOUTUBE_URL` property. + +Play the preview and jump around to different points in the video to check if there are encoding errors. + + +### DONE Upload videos and Q&A sessions to Toobnix + +Install peertube-cli. + +emacsconf-extract-toobnix-api-setup + +emacsconf-publish-toobnix-upload-all +emacsconf-publish-toobnix-upload-all-captions + +Manually add to and reorganize the playlist as needed. (Automate this someday?) + + +#### Fix incorrect Toobnix URLs + + (dolist (talk (emacsconf-get-talk-info)) + (when (plist-get talk :toobnix-url) + (message "%s" (plist-get talk :slug)) + (emacsconf-with-talk-heading talk + (org-entry-put (point) "TOOBNIX_URL" (emacsconf-extract-toobnix-latest-video-url (emacsconf-publish-talk-video-properties talk 'toobnix))) + (when (plist-get talk :qa-toobnix-url) + (org-entry-put (point) "QA_TOOBNIX_URL" (emacsconf-extract-toobnix-latest-video-url (emacsconf-publish-answers-video-properties talk 'toobnix))))))) + + +### DONE Copy the Q&A from the pad and add them to the wiki + + +### DONE Copy interesting questions and remarks from IRC to the wiki + +Our goal is to copy the discussions from IRC to +the wiki pages so that speakers can see any +questions or feedback they’ve missed. + +To copy the logs: + +1. Use M-x flush-lines to remove any lines with `***`. +2. Copy the IRC logs to the cache directory with a filename like yyyy-mm-dd-channel.txt (ex: 2025-12-07-emacsconf-gen.txt). + +Then review each log. For each talk: + +1. Select the region for the talk. Figure out the speaker’s nick. Use emacsconf-extract-irc-anonymize-log and give it the nick. +2. Use emacsconf-extract-irc: + - t: open the talk in the other window + - UP and DOWN navigate by line. + - q: add the line to the other window as a question. + - a: add the line to the other window as an answer + - c: add the line to the other window + + +### DONE Index the Q&A + +For each talk with a live Q&A session: + +1. Open the pad and the VTT file. +2. Use `C-u M-x subed-word-data-load-from-file` to load the word data JSON with an offset depending on the start time that the video was trimmed to. +3. Use `M-x subed-set-subtitle-comment` or manually add `NOTE` comments. Correct recognition errors along the way. +4. Use `emacsconf-subed-make-chapter-file-based-on-comments` to create the chapter file. +5. Republish with <elisp:emacsconf-publish-public-index> to make sure the chapters show up. +6. Upload the corrected subtitles to the Q&A video on YouTube. +7. Use `emacsconf-publish-answers-description` to get the updated description. Paste it into the YouTube description. +8. Use `emacsconf-publish-info-pages-for-talk` to update the wiki pages for that talk. + + +### DONE Send thank-you emails to the speakers :email: + + +### CANCELLED Copy the Youtube comments to the wiki pages? + +emacsconf-extract-youtube-api-setup +emacsconf-extract-youtube-comments-by-talk + +Better to direct the speakers to the YouTube videos so that they can discuss things directly. + + +### Write a report + +Start with a longer blog post: + +- <https://sachachua.com/blog/2024/12/emacsconf-2024-notes/> + +A shorter version goes on the wiki: + +- <https://emacsconf.org/2024/report/> +- <https://emacsconf.org/2023/report/> + + +### DONE Notify emacsconf-discuss@gnu.org that the Q&A is up + +<https://lists.gnu.org/archive/html/emacsconf-discuss/2024-12/msg00000.html> + + Hello, everyone! + + https://emacsconf.org/2024/talks and https://media.emacsconf.org/2024 + should have the talks and Q&A sessions now, hooray, including chapter + indices for the Q&A. I've also copied over notes from Etherpad and IRC + on the talk pages, and I've e-mailed them to the speakers so they can + update the wiki directly or send in additional answers. + + BigBlueButton audio mixing is kinda iffy, so I'm holding off on + uploading the Q&A videos (and the live talk for secrets) to + YouTube/Toobnix until Leo and other volunteers have a listen to see + whether the audio needs to be tweaked, and maybe even to do some kind of + normalization. Unfortunately, recordings with separate audio tracks per + participant aren't available--it would be cool to figure that out next + year--so some talks might need some manual processing. (Please feel free + to volunteer if that's up your alley!) In the meantime, you can check + out the Q&A videos from the talk pages on the wiki. Please let us know + if there's anything that needs tweaking. + + Enjoy! + + Sacha + + +### Send thank-you emails to the volunteers :email: + +emacsconf-mail-template-ask-volunteer-for-mailing-address + + +### Process the lessons learned + + +<a id="ideas"></a> + +# Ideas for improvement + +How can we make EmacsConf better for participants? Speakers? Volunteers? People who come across the videos afterwards? + +- Emacs: + - view Etherpad (read-only): might be able to query something like <https://pad.emacsconf.org/2024/export/html> or <https://pad.emacsconf.org/2024/export/txt> + - view upcoming talks, countdown? + - resources, past talks + - ??: Collaborative real-time editing? Not sure crdt.el or collab-mode can scale up as far as we like; how would we test this? +- HTML/CSS/JS: + - general design improvements? + - [This is what the talks page looks like when there’s no schedule yet](https://web.archive.org/web/20240806134541/https://emacsconf.org/2024/talks/) + - [This is what the schedule page looks like before the conference](https://web.archive.org/web/20241108132608/https://emacsconf.org/2024/talks/) + - [This is what a talk page looks like before the conference](https://web.archive.org/web/20241208042046/https://emacsconf.org/2024/talks/literate/) + - [This is the watch page for the general track](https://web.archive.org/web/20241208034535/https://emacsconf.org/2024/watch/gen/) + - [This is the same talk page after the conference, with the videos, notes, and captions](https://web.archive.org/web/20241212145433/https://emacsconf.org/2024/talks/literate) + - [This is what the talks page looks like after the conference](https://emacsconf.org/2024/talks/) - list of resources + - timezone translations in the schedule SVG, on the schedule page, etc. + - countdown on talk pages? + - prettier viewers for videos, captions + - make it easier to see the talk/pad/IRC at the same time? + - easy timestamp jumping +- Volunteers: + - better documentation + - share to OBS from local? Maybe vdo.ninja? + - how do we manage the fallback/switchover in case we need to go back to shared VNC? + - meeting layout? + - countdown to switch over to the next talk, or easier manual control; web or command-line interface to control it? + - make it easier for people to join as hosts or check-in volunteers? + - improve backstage experience? + - automate or cross-train more people in what Sacha does (coordination, infrastructure) to reduce bus factor and increase awesomeness +- Processing: + - audio normalization: better workflow, more people helping + - noise removal (many speakers don’t have external mics) + - Makefile improvements + - captioning: + - simplify common edits + - reflowing? check out [sub-seg](https://gitlab.com/jun8git/sub-seg)? + - handle last-minute uploads + - validation: make sure audio, video, and caption times agree +- Infrastructure: + - document media processing pipeline + - make media processing pipeline more hands-off; ideally, just copy the video to the directory and that kicks off everything including eventually republishing the backstage index + - add read-only non-JS links to pads; make the pads viewable through the web instead of being downloaded (…/export/html) + - upgrade to latest versions + - front0 and live0: currently Debian 10.13 + - <span class="timestamp-wrapper"><time class="timestamp" datetime="2025-09-21">[2025-09-21 Sun]</time></span> bandali will look into upgrades, cleaning up + - <span class="timestamp-wrapper"><time class="timestamp" datetime="2025-09-19">[2025-09-19 Fri]</time></span> sachac: e-mailed bandali to ask if I can do the upgrades or if he wants to + - ffmpeg 6.0.1, latest is 8 + - 7 has demuxing, decoding, filtering, encoding, and muxing in the ffmpeg CLI now all run in parallel + - OBS on res? Currently 29.1.2 + - probably no must-haves up to version 32, okay to stay with current version + - Do we want to go back to having hosts stream from their local computers? + - local: better performance + - via VNC: + - easier to switch in a different host or manage multiple streams + - easier to move files around + - consistent setup for profiles, overlays + - DONE Etherpad (upgrade 1.9.7 to 2.5.0) + - DONE BigBlueButton (deployed 3.0.12, which is the latest as of 2025-08-02) + - Consider 3.1 beta? new interface, probably new bugs; see if it’s worth it? + - DONE Icecast (deployed 2.4.4-1) - decided to stick with current version + - <span class="timestamp-wrapper"><time class="timestamp" datetime="2025-09-21">[2025-09-21 Sun]</time></span> Decision: stick with Icecast + - Leaning towards sticking with [Icecast](https://icecast.org/) + - 2.5.0-rc1? health reporting, bugfixes; probably not essential + - [Ant Media Server](https://antmedia.io/) community edition, to enable adaptive bitrate streaming, lower latency, and HLS for wider support? + - [Owncast](https://owncast.online/)? Automatic downscaling, Fediverse support; might need two instances to support two tracks + - [SRS](https://github.com/ossrs/srs)? record, replay? more of a building block? + - Nginx RTMP? More of a building block + - customize BigBlueButton welcome, slides, title, branding + - change the default presentation (maybe someone can make a PDF?) <https://docs.bigbluebutton.org/administration/customize/#change-the-default-presentation> + - modify the default landing page <https://docs.bigbluebutton.org/administration/customize/#modify-the-default-landing-page> + - change the default welcome messages <https://docs.bigbluebutton.org/administration/customize/#change-the-default-welcome-message> + - change the favicon <https://docs.bigbluebutton.org/administration/customize/#change-favicon> + - change the default logo <https://docs.bigbluebutton.org/administration/customize/#changing-the-default-logo> + - check out BigBlueButton live captions? + - figure out if we can connect to or reuse the etherpad in BigBlueButton? + - figure out how to record separate audio streams in BigBlueButton because the audio mixing is sometimes terrible (some people’s audio streams end up much louder than others). Related: <https://github.com/bigbluebutton/bigbluebutton/issues/12302> , but not sure how to actually do it… + - replicate BBB setup in a virtual machine so that it’s easy to re-deploy + - replicate streaming setup (OBS+VNC) in a virtual machine so that it’s easy to re-deploy + - replicate video processing workflow on my computer and/or a virtual machine +- Other: + - panel? some thoughts: <https://pad.emacsconf.org/emacsconf-panel> + - unconference? + + +<a id="general-infrastructure"></a> # General infrastructure +<a id="general-infrastructure-linode-instance-sizes"></a> + +## Linode instance sizes + + +### Production + +- front0 shared Linode 32GB +- live0 shared Linode 64GB +- meet Dedicated CPU 16GB + + +### Dormant + +Resize disk to 25GB, copying large files to media if needed + +- nanode front0 +- nanode live0 +- delete meet after downloading all the recordings, or resize down to nanode + + +<a id="upload"></a> + +## File uploads + +[psi-4ward/psitransfer: Simple open source self-hosted file sharing solution](https://github.com/psi-4ward/psitransfer) + +Before the conference: + +1. Set `upload_enabled` to `true` in `prod-vars.yml` and run `ansible-playbook -i inventory.yml prod-playbook.yml --tags upload`. +2. Confirm that <https://upload.emacsconf.org> has the upload interface and works with the password. If it’s not up yet, use `sudo service upload start`. +3. Use `emacsconf-mail-template-to-all-groups` and `emacsconf-mail-upload-and-backstage-info` to e-mail the upload information to all speakers. + +After the conference: + +1. Set `upload_enabled` to `false` in `prod-vars.yml` and run `ansible-playbook -i inventory.yml prod-playbook.yml --tags upload`. +2. Confirm that <https://upload.emacsconf.org> shows the in-between page. + + +<a id="general-infrastructure-media-processing"></a> + +## Media processing + +1. Make sure `group_vars/all.yml` has the correct setting for `emacsconf_year`. +2. `ansible-playbook -i inventory.yml prod-playbook.yml --tags prerec` +3. Set up the `update-cache` script. + + #!/bin/bash + # export CONF_PUBLIC=1 + rsync -avu ~/proj/emacsconf/2025/assets/intros/*--intro.* ~/proj/emacsconf/2025/cache/ + rsync -avzue ssh --exclude ffmpeg2pass* --exclude .lock-\* --exclude 'partial--*' res:~/cache/ ~/proj/emacsconf/2025/cache/ --exclude .git + chmod ugo+r . -R + rsync -avzue ssh --exclude ffmpeg2pass* --exclude 'partial--*' ~/proj/emacsconf/2025/cache/ res:~/cache/ $* --exclude .git + rsync -avzue ssh --exclude ffmpeg2pass* --exclude 'partial--*' ~/proj/emacsconf/2025/cache/ orga@media:/var/www/media.emacsconf.org/2025/backstage/ $* --exclude .git + ssh orga@media "cd ~/backstage; chmod ugo+r -- *" + if [ ! -z "$CONF_PUBLIC" ]; then + echo "Updating public media" + rsync -avzue ssh --exclude \*--original\* --exclude ffmpeg2pass* --exclude \*--reencoded\* ~/proj/emacsconf/2025/cache/ orga@media:/var/www/media.emacsconf.org/2025/ 3--exclude .git + fi + rsync -avzue ssh ~/proj/emacsconf/2025/assets/ res:~/current/assets/ + +When a talk comes in: + +1. Update the talk status to `PROCESSING`. Re-evaluate the schedule draft. +2. Set the file prefix with `emacsconf-set-file-prefix-if-needed` or use `emacsconf-set-file-prefixes`. +3. Download the talk’s files to your local cache (as specified by `emacsconf-cache-dir`). +4. Rename the files with `emacsconf-rename-files`. +5. Use `../update-cache` to update res and backstage. +6. SSH to res. Go to the `~/cache` directory. + 1. Start or reuse a `screen` session. + 2. Use `make` to convert the file to WEBM and caption the file. +7. On your local computer, use `../update-cache` to move files around. +8. `emacsconf-publish-cache-video-data` to save the file size and length. +9. `emacsconf-publish-backstage-index` + + +<a id="general-infrastructure-wiki"></a> + +## Wiki + +Stylesheet: <file://ssh:front|sudo:ikiwiki@front:/var/www/emacsconf.org/style.css> + +See also Ansible notes + +If the wiki is stuck and needs regenerating: + + ssh front0.emacsconf.org + sudo -iu ikiwiki -- ikiwiki --setup ~ikiwiki/emacsconf.setup + + <a id="icecast"></a> -## Icecast +## DONE Icecast -Success: You can use [OBS+VNC to record](#obs-instructions), and the results can be viewed by mpv. +Success: You can send a stream to Icecast and the results can be viewed by mpv. - [X] Gen - [X] Dev Also, recordings are available in /data. +See also: [Use OBS+VNC to record](#obs-instructions) + New year: 1. Reprovision with @@ -380,8 +1097,8 @@ New year: 3. To test, you can use FFmpeg like this for the gen stream: ffmpeg -y -f lavfi -i testsrc=size=1280x720:rate=10 -i background-music.opus \ - -c:v libvpx -b:v 500K -crf 25 -b:a 128k \ - -content_type video/webm "icecast://emacsconf:$EMACSCONF_ICECAST_SOURCE_PASSWORD@live0.emacsconf.org:8001/gen.webm" + -c:v libvpx -b:v 500K -crf 25 -b:a 128k \ + -content_type video/webm "icecast://emacsconf:$EMACSCONF_ICECAST_SOURCE_PASSWORD@live0.emacsconf.org:8001/gen.webm" For dev: @@ -392,11 +1109,18 @@ New year: and then view it with mpv https://live0.emacsconf.org/gen.webm + mpv https://live0.emacsconf.org/dev.webm + + +### Cooldown + +ssh live0.emacsconf.org +sudo /etc/init.d/emacsconf stop <a id="watch"></a> -## Watching pages +## DONE Watching pages Success: You can watch at <https://live.emacsconf.org>. @@ -407,7 +1131,7 @@ Success: You can watch at <https://live.emacsconf.org>. New year: -1. ansible-playbook -i inventory.yml prod-playbook.yml –tags live +1. `ansible-playbook -i inventory.yml prod-playbook.yml --tags live` 2. Republish with <elisp:emacsconf-publish-watch-pages>. 3. Update front:/var/www/live.emacsconf.org. @@ -416,7 +1140,7 @@ Set up test streams (see ffmpeg instructions from [Icecast](#icecast)) and then: <a id="vnc"></a> -## VNC +## DONE VNC We use VNC to connect to the X servers on res.emacsconf.org so that we can stream from it. @@ -425,10 +1149,6 @@ Success: - [X] Confirm that you can connect to emacsconf-gen via VNC - [X] Confirm that you can connect to emacsconf-dev via VNC -Setting up - -- <elisp:emacsconf-publish-res-index> - <a id="vnc-instructions"></a> @@ -471,21 +1191,29 @@ and then connect with: xvncviewer 127.0.0.1:$TRACK_PORT -shared -geometry 1280x720 -passwd vnc-passwd-$TRACK & +### Cooldown + +ssh sachac@res +sudo killall Xtigervnc + + <a id="obs"></a> -## Streaming with OBS +## DONE Streaming with OBS -Success: Confirm that you can stream +Success: You can use [OBS+VNC to record](#obs-instructions), and the results can be viewed by mpv. - [X] gen - [X] dev New year: reprovision with - ansible-playbook -i inventory.yml prod-playbook.yml --tags obs + ansible-playbook -i inventory.yml prod-playbook.yml --tags obs,stream so that the year is updated in the shell scripts. +icecast is on live0.emacsconf.org and can be restarted with `/etc/init.d/emacsconf restart`. + <a id="obs-instructions"></a> @@ -499,24 +1227,34 @@ so that the year is updated in the shell scripts. mpv https://live0.emacsconf.org/$TRACK.webm & +so that the year is updated in the configuration. + -### Icecast +<a id="general-infrastructure-mumble"></a> -Success: You can use [OBS+VNC to record](#obs-instructions), and the results can be viewed by mpv. +## DONE Mumble -- [ ] gen -- [ ] dev +Success: -New year: reprovision with +- [X] You can connect to Mumble on your preferred device(s). +- [X] You can broadcast to the emacsconf-gen channel. +- [X] You can broadcast to the emacsconf-dev channel. - ansible-playbook -i inventory.yml prod-playbook.yml --tags stream +mumble.emacsconf.org is hosted on front. Start it with: -so that the year is updated in the configuration. + sudo /etc/init.d/mumble-server start -This is on live.emacsconf.org and can be restarted with `/etc/init.d/emacsconf restart`. +It listens on port 64738 +Logs are in `/var/log/mumble-server`. -<a id="orgab7108a"></a> +To add a new account: + +- After they log in, register their user. +- Right-click on the server name. Edit - Groups. Add them to the org group. + + +<a id="general-infrastructure-shell-scripts"></a> ## Shell scripts @@ -561,67 +1299,67 @@ Explanation of files: </colgroup> <tbody> <tr> -<td class="org-left">–original.mp4/mov/webm</td> +<td class="org-left"><code>--original.mp4/mov/webm</code></td> <td class="org-left">original file as uploaded by the speaker</td> </tr> <tr> -<td class="org-left">–silence.mp4/mov/webm</td> +<td class="org-left"><code>--silence.mp4/mov/webm</code></td> <td class="org-left">silence sample if uploaded by speaker</td> </tr> <tr> -<td class="org-left">–reencoded.webm</td> +<td class="org-left"><code>--reencoded.webm</code></td> <td class="org-left">converted to .webm format and compressed</td> </tr> <tr> -<td class="org-left">–reencoded.opus</td> +<td class="org-left"><code>--reencoded.opus</code></td> <td class="org-left">audio only</td> </tr> <tr> -<td class="org-left">–normalized.opus</td> +<td class="org-left"><code>--normalized.opus</code></td> <td class="org-left">normalized audio</td> </tr> <tr> -<td class="org-left">–reencoded.vtt</td> +<td class="org-left"><code>--reencoded.vtt</code></td> <td class="org-left">WhisperX captions, WebVTT format</td> </tr> <tr> -<td class="org-left">–reencoded.json</td> +<td class="org-left"><code>--reencoded.json</code></td> <td class="org-left">WhisperX word data</td> </tr> <tr> -<td class="org-left">–reencoded.srt</td> +<td class="org-left"><code>--reencoded.srt</code></td> <td class="org-left">WhisperX captions, SRT format</td> </tr> <tr> -<td class="org-left">–reencoded.txt</td> +<td class="org-left"><code>--reencoded.txt</code></td> <td class="org-left">WhisperX captions, plain text</td> </tr> <tr> -<td class="org-left">–main.vtt</td> +<td class="org-left"><code>--main.vtt</code></td> <td class="org-left">edited captions</td> </tr> <tr> -<td class="org-left">–main–chapters.vtt</td> +<td class="org-left"><code>--main--chapters.vtt</code></td> <td class="org-left">chapter markers</td> </tr> <tr> -<td class="org-left">–main.txt</td> +<td class="org-left"><code>--main.txt</code></td> <td class="org-left">captions as text (optional)</td> </tr> <tr> -<td class="org-left">–main.webm</td> +<td class="org-left"><code>--main.webm</code></td> <td class="org-left">version for streaming based on the most recent resources</td> </tr> </tbody> @@ -630,29 +1368,37 @@ Explanation of files: Other files might also have been uploaded by the speaker, such as slides or notes. -<a id="org5545d42"></a> +<a id="general-infrastructure-irc-web-client"></a> -## IRC web client +## Thelounge IRC web client Success: +- [X] When the service is not running, the error page is displayed - [X] You can join from <https://chat.emacsconf.org> - [X] You can join from <https://live.emacsconf.org> and the channels end up as the latest ones +ansible: lounge tag + +On front: + +- To start: sudo systemctl start thelounge +- To stop: sudo systemctl stop thelounge + +backup: +sudo -u thelounge /usr/bin/thelounge start + + +### DONE Ask libera.chat to increase IRC limits + Remember to schedule a task to ask libera.chat to increase the number of users it will accept from chat.emacsconf.org to avoid connection exhaustion errors. Message I’ve posted to support@libera.chat: -Thank you for running libera.chat. We’re looking forward to using IRC -(#emacsconf-gen, #emacsconf-dev) for the discussions for the upcoming -EmacsConf (Dec 7-8, <https://emacsconf.org>). In the past, we’ve needed to -coordinate with Libera staff to increase the number of connections -allowed from chat.emacsconf.org during conference days in order to avoid -connection exhaustion errors. Is that something we can plan now or would -you like me to bring it up a few days before the conference? +Thank you for running libera.chat. We’re looking forward to using IRC (#emacsconf, #emacsconf-gen, #emacsconf-dev, #emacsconf-org) for the discussions for the upcoming EmacsConf (Dec 6-7, <https://emacsconf.org>). In the past, we’ve needed to coordinate with Libera staff to increase the number of connections allowed from chat.emacsconf.org during conference days in order to avoid connection exhaustion errors. Is that something we can plan now or would you like me to bring it up a few days before the conference? -<a id="orgd7fd9ee"></a> +<a id="general-infrastructure-etherpad"></a> ## Etherpad @@ -661,6 +1407,17 @@ Success: - [X] pad.emacsconf.org redirects to this year’s entry - [X] Each talk has its own Etherpad +Lessons learned: + +- After 2024: Added pronouns and pronunciation to the pad template since that’s what the hosts will be looking at + +The pad is at front0.emacsconf.org + +Non-JS way to get plain text or HTML of a pad: ex: + +- <https://pad.emacsconf.org/orgmeetup/export/txt> +- <https://pad.emacsconf.org/orgmeetup/export/html> + <a id="media"></a> @@ -672,14 +1429,19 @@ Start of year: 2. `ansible-playbook -i inventory.yml prod-playbook.yml --tags media` 3. Generate the index with `emacsconf-publish-update-media` -Confirm by setting a submitted talk to `PLAYING` and testing with -<elisp:emacsconf-publish-media-files-on-change> . The public media +Confirm by using `talk sat-open PLAYING` on res. The public media directory should have the files and the entry should be in the index. Switching it back to `TO_STREAM` and calling <elisp:emacsconf-publish-media-files-on-change> should remove it. -### TODO Switch public media to unprotected root before the conference :tminustwo: +### Backing up, mirroring + + rsync -avzue ssh media:/var/www/media.emacsconf.org/ /var/www/media.emacsconf.org/ --exclude protected --exclude backstage + rsync -avzue ssh /var/www/media.emacsconf.org/ yang:~/public_html/media.emacsconf.org/ --exclude protected --exclude backstage + + +### DONE Switch public media to unprotected root before the conference :tminustwo: 1. Clear public media directory. 2. Set `media_protect_root` to false in Ansible `group_vars/all.yml`. @@ -688,14 +1450,31 @@ Switching it back to `TO_STREAM` and calling You can generate the index with `emacsconf-publish-update-media`. -<a id="org75cad9b"></a> +<a id="general-infrastructure-automated-publishing-to-the-media-server"></a> + +## Automated publishing to the media server + +`ansible-playbook -i inventory.yml prod-playbook.yml --tags publish,edit` + +On orga@res, in the screen session with the emacs server, make sure emacsconf-year and emacsconf-cache-dir refer to the current ones. + -## Automated IRC announcements +<a id="general-infrastructure-automated-irc-announcements"></a> + +## DONE Automated IRC announcements Success: - [ ] When a talk starts playing, it is announced in the relevant channel +How it works: On res: + +/usr/local/bin/handle-session sudos to the orga user and calls the `/usr/local/bin/talk` shell script, + +You will need the private repository checked out to `orga/emacsconf-2025-private`, which is set up by the ansible playbook `publish` tag. + +This is by `/usr/local/bin/talk` on res, which connects to a running Emacs with emacsclient. Make sure the emacs thing has the right year. + <a id="bbb"></a> @@ -712,7 +1491,54 @@ ssh root@bbb cd greenlight-v3 docker compose restart -Does not seem to work in Firefox private browsing; documented at <https://emacsconf.org/2024/watch/>. +Sizes: + +- dormant: 1 GB nanode +- testing: 4 core 8 GB shared CPU +- production: 8 core 16 GB dedicated CPU (roughly half CPU load for 107 simultaneous users, 2024) + - maybe 8 core 16 GB shared CPU next? + + +<a id="general-infrastructure-bigbluebutton-installing-bigbluebutton"></a> + +### Installing BigBlueButton + +1. Create the instance. + - Linode 4core 8GB shared CPU + - Image: Ubuntu 22.04 +2. Update the DNS for bbb.emacsverse.org with its IP address. +3. Download the BBB installer and make it executable. +4. ufw allow 16384:32768/udp +5. Run the BBB installer: + + ./bbb-install.sh -v jammy-300 -s bbb.emacsverse.org -e emacsconf@sachachua.com -g +6. `sudo apt install bbb-playback-video` and then follow the instructions at [Server Customization | BigBlueButton](https://docs.bigbluebutton.org/3.0/administration/customize/#install-additional-recording-processing-formats) . + - /usr/local/bigbluebutton/core/scripts/bigbluebutton.yml: + + steps: + archive: 'sanity' + sanity: 'captions' + captions: + - 'process:presentation' + - 'process:video' + 'process:presentation': 'publish:presentation' + 'process:video': 'publish:video' + - systemctl restart bbb-rap-resque-worker.service +7. docker exec -it greenlight-v3 bundle exec rake admin:create[’name’,’email’,’password’] + + +### Backing up BigBlueButton + +We generally just need to keep the user database. + + docker exec -t postgres pg_dump -U postgres -d greenlight-v3-production > greenlight_backup.sql + + +### Upgrading BigBlueButton + +Rerun the install script: + + ./bbb-install.sh -v jammy-300 -s bbb.emacsverse.org -e emacsconf@sachachua.com -g ### System audio limitations @@ -728,16 +1554,127 @@ BBB says sharing system audio works only if you use Chrome on Mac OS X or Micros Related: <https://github.com/bigbluebutton/bigbluebutton/issues/8632> -<a id="org5a3d818"></a> +### DONE Create meeting rooms for each speaker + + docker exec -it greenlight-v3 /bin/bash -c "bundle exec rails console" -## Manual IRC announcements + user_id = User.find_by_email("emacsconf@sachachua.com").id + +1. <elisp:emacsconf-bbb-create-rooms> +2. <elisp:emacsconf-bbb-load-rooms>: set the ROOM properties. +3. <elisp:emacsconf-publish-bbb-static-redirects> + +Print out the room IDs with: + + Room.all.each { |x| puts x.friendly_id + " " + x.name }; nil + +It’s possible to change the friendly\_id and then use `x.save!`. + + +### DONE Set up moderator access codes + +- <elisp:emacsconf-bbb-spookfox-set-moderator-codes> +- <elisp:emacsconf-bbb-spookfox-confirm-settings> + +Then you can use <elisp:emacsconf-mail-checkin-instructions-for-attending-speakers> +or <elisp:emacsconf-mail-checkin-instructions-to-all> to send the info. + + +### Processing BBB videos + +`bbb-record --list` shows all the recordings. You can use `bbb-record --rebuild` to regenerate the meeting, and `bbb-record --watch` to monitor progress. Presentation is a web-based interface, video is a single video file that contains the webcam, the screenshare, and the audio. + +If you don’t see the video format, doublecheck that [the video format is enabled](#general-infrastructure-bigbluebutton-installing-bigbluebutton). + +bbb-record seems to call `ruby /usr/local/bigbluebutton/core/scripts/process/video.rb -m ID`, which might be a useful backup. + +bbb-record –rebuild 4dc2c4e5ac5222bc416b7e31d76e22a5627aed5b-1765135929727 +bbb-record –rebuild e5fceca22f037945fb7183e118599cf37598936c-1765131855663 + +derp, no space left on the device, that’s why, adding to checklist + + +### DONE Backing up BBB :backup: + +rsync -avze ssh root@bbb:/var/bigbluebutton/ ~/proj/emacsconf/2025/backups/bbb/ + +ssh root@bbb ’tar zcvf - /var/bigbluebutton /etc/bigbluebutton /root/greenlight-v3 /usr/local/bigbluebutton /usr/share/bbb-web’ > bbb-backup-$(date “+%Y-%m-%d”).tar.gz + +ssh root@bbb ’dd if=/dev/sda bs=5M ’ | dd of=bbb-img-$(date “+%Y-%m-%d”).img status=progress + + +### Scaling BBB up and down + +[Scaling a BigBlueButton server down to a 1 GB node between uses](https://sachachua.com/blog/2025/01/scaling-a-bigbluebutton-server-down-to-a-1-gb-node-between-uses/) + +When the server is downscaled, `/etc/nginx/sites-backup` configures the Nginx. +The web root is `/var/www/bigbluebutton-default/assets`, and the page is `/var/www/bigbluebutton-default/assets/backup/index.html`. + + +### Spinning BBB up again from scratch + +Previous notes: + +1. Create a Nanode. +2. Update the DNS for bbb.emacsverse.org with its IP address. (dns.he.net) +3. Reboot into Rescue mode. In Lish: + + passwd # set interactively + sed -i -e 's/#PasswordAuthentication yes/PasswordAuthentication yes/g' /etc/ssh/sshd_config + echo 'PermitRootLogin yes' >> /etc/ssh/sshd_config + service ssh start +4. From the backup directory: + gunzip -c bbb-img-2024-12-08.img.gz | ssh root@bbb.emacsconf.org “dd of=/dev/sda bs=4M status=progress oflag=direct iflag=fullblock” +5. After I resized to 4core 8GB RAM, I couldn’t log in with SSH, so I used the Linode shell. `sshd -t` said no host keys available. Fix: + + ssh-keygen -A + service ssh --full-restart +6. ./bbb-install.sh -v jammy-300 -s bbb.emacsverse.org -e emacsconf@sachachua.com + +Resources: + +- <https://overto.eu/posts/gunzip-into-dd/> +- <https://www.linode.com/community/questions/20386/how-do-i-ssh-to-linode-from-the-finnix-boot-in-order-to-copy-my-local-vm-over-to> +- <https://github.com/bigbluebutton/bigbluebutton/issues/9485> + + +### Other meetups + +The bbb.emacsverse.org server also hosts a few other meetups throughout the year. This helps people get together using free and open source software, and it also lets us keep the infrastructure set up instead of scrambling to get everything set up and tested a week or two before the conference. Here are the meetups and contact people: + +- [Emacs Berlin](https://emacs-berlin.org) (Tilmann Singer) +- [Emacs APAC](https://emacs-apac.gitlab.io/) (Bhavin Gandhi) +- [OrgMeetup](https://orgmode.org/worg/orgmeetup.html) (Ihor Radchenko) + +Meetup hosts use a moderator code to log in. + + +<a id="general-infrastructure-manual-irc-announcements"></a> + +## TODO Manual IRC announcements Success: - [X] You can /opall, /conftopic, and /broadcast -<a id="orge08d62d"></a> +<a id="general-infrastructure-check-test-crontab"></a> + +## Check test crontab + + +<a id="general-infrastructure-confirm-automated-irc-announcements-from-res"></a> + +## DONE Confirm automated IRC announcements from res + +Success: + +- A test schedule can generate announcements. + + See C-u M-x emacsconf-stream-crontabs + + +<a id="general-infrastructure-low-res-stream"></a> ## Low-res stream @@ -748,9 +1685,9 @@ backup on live: - /usr/local/bin/emacsconf-lowres-dev-on-connect -<a id="org7f2e95e"></a> +<a id="general-infrastructure-upload-talks-to-youtube"></a> -## Upload talks to YouTube +## DONE Upload talks to YouTube [Channel videos](https://studio.youtube.com/channel/UCwuyodzTl_KdEKNuJmeo99A/videos/upload?filter=%5B%5D&sort=%7B%22columnType%22%3A%22date%22%2C%22sortOrder%22%3A%22DESCENDING%22%7D) @@ -784,11 +1721,58 @@ backup on live: (emacsconf-publish-prepare-for-display (emacsconf-get-talk-info))) -<a id="org0cc19c3"></a> +<a id="general-infrastructure-restream-to-youtube"></a> ## Restream to YouTube +### TODO Set up YouTube restreaming events + +Need to have set up shifts first. + +1. Switch to the EmacsConf account. +2. Go to <https://studio.youtube.com/channel/UCwuyodzTl_KdEKNuJmeo99A> +3. Create > Go live > Schedule stream. + - [X] Gen - Sat AM + - [X] Gen - Sat PM + - [X] Dev - Sat AM + - [X] Dev - Sat PM + - [X] Gen - Sun AM + - [X] Gen - Sun PM + - [X] Test + + emacsconf-stream-copy-livestream-description + + Then set the emacsconf-rtmp-shifts variable. See the conf.org from 2025 for an example. + + This will be used in the shift hyperlists, which you can generate with emacsconf-pad-prepopulate-shift-hyperlists + + There’s also a note in the ansible README.org about restreaming. + Set up the `restreaming_platforms` variable in `prod-vars.yml` and + use `ansible-playbook -i inventory.yml prod-playbook.yml --tags restream` to set up + + +<a id="general-infrastructure-restream-to-toobnix"></a> + +## Restream to Toobnix + + +### DONE Set up Toobnix restreaming events + +1. <https://toobnix.org>, Publish, Permanent/recurring live +2. emacsconf-stream-toobnix-copy-livestream-description + + +<a id="general-infrastructure-i3-window-manager"></a> + +## i3 window manager + +termit is the terminal + +- M-d: launcher +- M-1, M-2: change workspace + + <a id="other"></a> # Other process notes @@ -802,9 +1786,20 @@ backup on live: docker exec -it greenlight-v2 bundle exec rake user:create["USERNAME","EMAIL","PASSWORD","user"] -<a id="org4efd774"></a> +<a id="other-process-notes-schedule-changes"></a> + +## Schedule changes + +In general: -## When a talk is added after the schedule has already been drafted + (emacsconf-schedule-update-from-info) + (emacsconf-update-schedule) + (emacsconf-publish-watch-pages) + (emacsconf-publish-talks-json-to-files) + (emacsconf-publish-info-pages) + + +### When a talk is added after the schedule has already been drafted - [X] Add the talk to conf.org - [X] Add the talk ID to the draft schedule @@ -822,16 +1817,34 @@ backup on live: - [ ] Record the intro -<a id="cancel-talk"></a> +### When a talk is cancelled -## When a talk is cancelled +<elisp:emacsconf-cancel-talk> -1. Update the status to CANCELLED. +1. Update the status to CANCELLED. Update that specific talk with <elisp:emacsconf-publish-info-pages-for-talk>. 2. Rejig the schedule if needed, and update with <elisp:emacsconf-schedule-update-from-info> -3. Update the published schedule with <elisp:emacsconf-update-schedule> and push the wiki. -4. Regenerate the intros (before, after). <elisp:emacsconf-stream-generate-in-between-pages>, then use <elisp:subed-record-compile-video> in the intros file. -5. Sync the new intros to the /data/emacsconf/shared/$YEAR/assets/intros directory. -6. Regenerate the pads: <elisp:emacsconf-pad-prepopulate-all-talks> +3. Update the published schedule with <elisp:emacsconf-update-schedule>. + +Manual steps: + +1. Push the wiki. +2. Regenerate the intros (before, after). <elisp:emacsconf-stream-generate-in-between-pages>, then use <elisp:subed-record-compile-video> in the intros file. +3. Resync the cache directory. +4. Consider updating the screenshots for sat-open and sun-open. + + +### When a talk changes title + +1. Update the title in conf.org. +2. Delete the FILE\_PREFIX property. +3. Call <elisp:emacsconf-set-file-prefix-if-needed>. +4. Rename existing files with <elisp:emacsconf-update-file-prefixes>. +5. Update the intro VTT file with the new title. +6. Update the wiki page for the talk. +7. Regenerate the in-between images with <elisp:emacsconf-stream-generate-in-between-pages> +8. Rerecord and recompile the intro, and recompile the intro for the talk after it. +9. <elisp:emacsconf-update-schedule> +10. <elisp:emacsconf-pad-prepopulate-hyperlists> <a id="change-talk-qa"></a> @@ -846,9 +1859,17 @@ backup on live: 6. Regenerate talks.json: <elisp:emacsconf-publish-talks-json-to-files> -<a id="org17cc58c"></a> +<a id="other-process-notes-to-play-the-other-stream"></a> + +## To play the other stream + +- `mpv --profile=full https://live0.emacsconf.org/gen.webm` +- Change the channel topic to note that discussion can be in the other channel + -## When a system is down +<a id="other-process-notes-when-a-system-is-down"></a> + +## When a system is down - status page Let people know in #emacsconf and #emacsconf-org @@ -859,7 +1880,7 @@ Update the status page: /broadcast <message> may also be helpful -<a id="org4636e4e"></a> +<a id="other-process-notes-when-we-need-to-bring-on-a-last-minute-volunteer"></a> ## When we need to bring on a last-minute volunteer @@ -868,7 +1889,7 @@ Update the status page: will give them the backstage credentials and links to the index -<a id="org811d67a"></a> +<a id="other-process-notes-checking-people-in"></a> ## Checking people in @@ -876,9 +1897,16 @@ will give them the backstage credentials and links to the index /room nick (should be automatic if live, but there just in case) -<a id="org5d78595"></a> +<a id="other-process-notes-ansible"></a> ## Ansible git clone git@git.emacsconf.org:pub/emacsconf-ansible + +<a id="other-process-notes-updating-a-transcript"></a> + +## Updating a transcript + +emacsconf-publish-update-transcript + |