#Linux
systemd Timers Instead of cron
Replace cron jobs with systemd timers — .timer + .service pairs, OnCalendar syntax, Persistent catch-up, journald logging, and when cron is still fine.
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#Ubuntu
Ubuntu Server & Desktop tutorials, LTS release notes and day-2 ops.
24 posts
#Linux
bpftrace One-Liners I Actually Use on Production Linux
Eight bpftrace one-liners that replace half of strace, iotop, and tcpdump without the perf hit. Real tracing for sysadmins on modern kernels.
#Linux
Caddy vs Nginx — When 5 Lines Beats certbot + Cron
Honest take on Caddy vs Nginx for small servers. Auto-HTTPS Caddyfile in 5 lines vs nginx + certbot. Where each one actually wins.
#Gameserver
Satisfactory Dedicated Server on Linux — Native, Lightweight, and Boring (in the Best Way)
Set up a Satisfactory dedicated server on Ubuntu via SteamCMD. Native Linux build (no Wine), small RAM footprint, ports, claim flow, save backups.
#Gameserver
ARK Survival Ascended Dedicated Server on Linux — Wine, 16 GB RAM, and Patience
How to run an ARK Survival Ascended dedicated server on Ubuntu via SteamCMD and Wine. Real RAM requirements, ports, mods via CurseForge, weekly restart strategy.
#Gameserver
Enshrouded Dedicated Server on Linux — SteamCMD, Wine, and the RAM Reality
Run an Enshrouded dedicated server on Ubuntu via SteamCMD + Wine. Systemd unit, ports, the real RAM requirement, save backups, and the gotchas the wiki skips.
#Linux
Restic Backups to S3 / MinIO — Encrypted, Deduplicated, Restore-Tested
Real backup setup with Restic — encrypted offsite to S3 or self-hosted MinIO, dedup, retention, and the restore-drill that proves your backups actually work.
#Linux
Linux Disk Full: Finding What's Eating Your Space
df shows 100%. du takes forever. Here's the fast way to find what's killing your disk — from the usual suspects to the stuff that only shows up after you know where to look.
#Linux
UFW Firewall Rules That Don't Lock You Out
UFW makes iptables manageable. The catch is the order you run the commands matters — get it wrong and you're locked out of SSH. Here's the safe sequence.
#Linux
fail2ban: Stop Getting Hammered on SSH and Nginx
Any public-facing server gets hit with SSH brute force attempts within minutes of going live. fail2ban bans the IPs automatically. Setup takes 10 minutes.
#Linux
Nginx Reverse Proxy: The Config I Actually Use
One server, multiple services, one public IP. Nginx routes requests to the right container based on the domain. Here's the setup I use in production.
#Linux
Proxmox + Cloud-Init — Spinning Up an Ubuntu VM in 30 Seconds
Build a reusable Ubuntu cloud-image template on Proxmox with cloud-init. Clone, set hostname, IP, SSH key, boot — full VM in under a minute. The setup I run on node1.