Tag: linux

Dual-stack IPv6 for home labs: DHCPv6-PD delegation, stable addressing past SLAAC privacy extensions, real nftables firewall rules, and Docker IPv6 done right.

Ghostty hit 1.0 and everyone wants to know if it beats Kitty and WezTerm. A fact-checked 2026 look at rendering, config, SSH terminfo, and multiplexing.

Stratis layers XFS over device-mapper thin pools instead of copying Btrfs. What the trade costs you on RHEL, Rocky, and Alma, and which one to run in 2026.

Run several Claude Code accounts on one Linux machine. CLAUDE_CONFIG_DIR plus symlinks share your skills, hooks and history while each login stays isolated.

Which 30 Node Exporter metrics matter for Prometheus monitoring. Skip the 200 noisy ones. Textfile collector trick included.

Four file-sharing protocols compared for home labs: NFS speed, SMB compatibility, SSHFS convenience, WebDAV over HTTP, and which one to pick per use case.

Linux filesystem comparison: ext4 for safety, XFS for scale, ZFS for snapshots, Btrfs for flexibility. Pick the right tool for your workload.

ZFS tuning for flash: ARC sizing, recordsize, autotrim, sync modes, and SLOG advice, plus why defaults written for spinning disks waste an NVMe pool.

Drop Docker's daemon entirely. Podman rootless containers with podman-compose, drop-in compatibility, daemonless orchestration, and where it bites you.

LXC and Docker both containerize workloads, but one runs mini-VMs with init processes while the other handles single-process apps. Here's when each wins.

Stop opening port 22 to the world. SSH bastion hosts, ProxyJump chains, session recording, and self-hosted Teleport alternatives that actually work.

PREEMPT_RT hit Linux mainline in 2024. Here's what real-time actually means, when you need it, and when it'll just slow you down.