This page regroups some of the guides I've written. This way I can easily access them and they may be useful to someone else. :)
Recovering from a mbsync UIDVALIDITY change
A quick and dirty fix for solving UIDVALIDITY mismatches.
Email with aerc
My email setup with aerc as my email client, isync for fetching mails, msmtp for sending them, and email-oauth2-proxy for dealing with Gmail's OAuth.
Changing GRUB arguments
How to temporarily or persistently change GRUB arguments.
Fix a broken fstab
Fixing my broken fstab after trying to add an entry.