Set time zone to UTC. The interim Snowflake bridge (tpo/anti-censorship/pluggable-transports/snowflake#40110) was initially set to CET, which goofed up timestamps in tor logs. https://superuser.com/q/498330 shows a non-interactive way to do this, but I haven't tested it.

Survival-Guides/Snowflake-Bridge-Installation-Guide.md

@@ -60,6 +60,12 @@ Set up a firewall. You need to expose ports 22, 80, and 443.
 # etckeeper commit "firewall"
 ```
 
+Set the time zone to UTC.
+
+```
+# dpkg-reconfigure tzdata
+```
+
 Put a link to the survival guide in /etc/motd so that it shows when logging in.
 
 ```