Sysadmin

The story behind Ogeka, an app for recurring tasks that never stay done. Set a cycle and it tracks what’s due, pausing the countdown when your working day ends.

Can’t install traceroute on a locked-down Linux system? Build your own in Bash with ping and increasing TTL values, then test, troubleshoot and extend it.

Your disk is full and you need to know why. Find the biggest files on any Linux box using du and find, sidestep the permission-denied noise, and wrap the whole thing in a one-word alias.