ext4: Mysterious “No space left on device”-errors
ext4 has a feature called dir_index enabled by default, which is quite susceptible to hash-collisions
linux
Using i3 and vim to keep a set of notes at hand
Put a terminal with a vim-instance in an i3-scratchpad, combine it with autosave-when-idle and you got the perfect note keeping workflow."
Inject Environment variables into running processes
Using gdb to manipulate a running process is fun and just the right amount of danger to be exiting