System Administration

IPv6 is hard

IPv6 implementation challenges often stem from incomplete network configurations and lack of proper monitoring rather than inherent complexity. Happy Eyeballs protocol allows browsers to automatically choose between IPv4 and IPv6, masking potential connectivity issues. Network administrators should either fully commit to proper IPv6 implementation or avoid partial deployments that can lead to connectivity problems.

Three Years of Ephemeral NixOS: My Experience Resetting Root on Every Boot

An exploration of implementing ephemeral root filesystems in NixOS, where only allowlisted files persist across reboots, resulting in cleaner system states and easier maintenance. The approach offers benefits like fearless experimentation and simplified backups, but comes with challenges including installation complexity and potential performance issues.