Tag: linux

Wazuh gives you SIEM, HIDS, FIM, and threat detection in one stack. Here's how to deploy it in your home lab with Docker and actually use it.

ZFS is the paranoid fortress of filesystems. Btrfs is the scrappy upstart built into your kernel. Here's which one belongs in your home lab.

DRAM prices are killing the hobbyist SBC market, but there are still great options. Here's what's worth buying in 2026 for a sub-$200 homelab setup.

Podman Quadlets turn containers into real systemd services using .container unit files, no daemon, no hacks, just clean native integration.

LUKS encrypts your drives so a stolen server is just expensive recycling. Here's how to set it up, manage keys, and unlock headless boxes remotely.

Run Docker containers without root privileges, here's the security difference, the install steps, and the gotchas nobody tells you about.

A kernel upgrade halved one team's PostgreSQL throughput. The fix was kernel tuning: huge pages, THP, swappiness, I/O scheduler. Here's what matters and why.

Run multiple Proxmox VMs and LXC containers behind a single public IP using NAT bridging and iptables port forwarding. Works on Proxmox VE 8 and 9.

Attackers love finding ways to go from www-data to root. Here's how they do it, and more importantly, how you harden your Linux boxes to stop them.

Out of RAM and no time to reimage? Add swap via a file on any partition using mkswap, swapon, and fstab, done in under 5 minutes.

Master bash for loops, while loops, and seq for sequential counting, iterate over files, ranges, and arrays without losing your mind.

Count files in a directory (recursively or not) with find, ls, and tree, quick one-liners for when du just isn't telling you enough.