Add infra notes from 2022

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 [[!meta copyright="Copyright © 2023 Sacha Chua"]]
 [[!meta title="Infrastructure and processes"]]
 
+- Q: What did you use to make this? 
+  - All free/libre/open source tools:
+    - One private Org file with speaker/volunteer/talk info
+      - The talks were generally run using run-at-time,
+        org-after-todo-state-change-hook, and some TRAMP (by the
+        way, TRAMP does not like being run from timers at the
+        same time, so we shifted some talks =) )
+    - A public Org file for processes:
+      <https://emacsconf.org/2022/organizers-notebook>
+    - An ansible repo for configuration management:
+      <https://git.emacsconf.org/emacsconf-ansible/>
+    - Lots of Emacs Lisp:
+      <https://git.emacsconf.org/emacsconf-el/>
+    - TRAMP for writing files and running commands on remote
+      computers
+    - OBS for streaming, Icecast for sharing the stream with
+      viewers
+    - VNC for letting hosts and streamers connect to the same
+      display for OBS streaming
+    - screen for naming shell commands and making them easier to
+      resume and kill
+    - BigBlueButton for video Q&A
+    - Mumble for speaking on the stream as well as for backstage
+      communications
+    - ERC for Internet Relay Chat within Emacs, The Lounge for
+      web-based IRC
+    - Ikiwiki for the wiki (editing through git commits)
+    - Etherpad for collaborative note-taking
+    - ffmpeg for reencoding videos to free (patent-unencumbered)
+      formats and compressing them
+    - Captioning (<https://emacsconf.org/captioning>):
+      - OpenAI Whisper for computer-generated transcripts to be
+        reflowed and edited by captioning volunteers
+      - Some Emacs Lisp code to help with reflowing
+        (emacsconf-reflow, in
+        <https://git.emacsconf.org/emacsconf-el/>)
+      - Aeneas (<https://www.readbeyond.it/aeneas/>) for
+        synchronizing reflowed text with the audio files
+      - subed.el (<https://github.com/sachac/subed>) for editing
+        captions within Emacs (synchronizes with MPV)
+    - MPV for playing videos (config tips:
+      <https://emacsconf.org/mpv/>
+      <https://git.emacsconf.org/emacsconf-ansible/tree/roles/obs/templates/mpv.conf>)
+- Q: How do you have multiple font sizes, countdowns and clocks in
+  fundamental mode?
+  - A:
+    <https://git.emacsconf.org/emacsconf-el/tree/emacsconf-stream.el>
+    : see emacsconf-stream-display-clock-and-countdown. You can
+    propertize a string with face attributes and then insert it.
+
 Quick links:
 
 - [emacsconf-ansible](https://git.emacsconf.org/emacsconf-ansible/) - Ansible configuration for setting up servers and scripts