Configuring cloud-init and UEFI to dynamically change the size of VM disks on first-boot.
Using AppArmor to track down the root cause of an undocumented IPsec error.
How I used a WiFi extender to bridge an air-gapped network to the internet without a direct ethernet connection.
Guide to writing the Sudoers file in NixOS.
Troubleshooting a Prometheus issue caused by bad file permissions.