Self-Hosting

How to run your own servers, Docker stacks, and self-hosted services without losing weekends to config files.

Debug 90% of Linux network faults with three commands

Debug Linux network issues with ss, nftables, and tcpdump. Inspect sockets, trace firewall rules, and capture packets to diagnose connectivity.

mkinitcpio or Dracut, which initramfs tool fits you?

A practical comparison of the two dominant Linux initramfs generators: architecture, LUKS encryption, UKI and Secure Boot, and a migration path.

Three Btrfs jobs that keep your data from rotting away

Schedule Btrfs maintenance: monthly scrubs detect silent corruption, filtered balance prevents ENOSPC, and snapshot retention enables cheap rollbacks.

Crowd of glowing smartphones passing a sealed envelope across seven hops at night while an antenna array records each phone's fixed ID tag

Chat with no internet, but bitchat still knows your phone

bitchat runs a Bluetooth mesh chat up to 7 hops with no accounts and no servers, but a persistent per device ID stays visible to any nearby radio.

bcachefs left the kernel, is it still worth switching?

A practical 2026 comparison of bcachefs, Btrfs, and ZFS for homelab deployments, with a tiered SSD/HDD setup walkthrough and a recommendation matrix.

systemd-sysupdate can replace your package manager

systemd-sysupdate: block-level A/B image updater with cryptographic verification, automatic rollback, and atomic reboot for unattended fleets.