Posts
Page 34 of 55
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LangChain vs LlamaIndex: RAG Framework Showdown
LangChain does everything and LlamaIndex does one thing brilliantly. Here's how to pick the right RAG framework without regretting it at 2 AM.
6 min read -
SBCs in 2026: Homelab on a Budget
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.
7 min read -
Podman Quadlets: Systemd-Native Containers
Podman Quadlets turn containers into real systemd services using .container unit files, no daemon, no hacks, just clean native integration.
6 min read -
LUKS Full Disk Encryption on Linux
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.
6 min read -
Rootless Docker: Run Without Root
Run Docker containers without root privileges, here's the security difference, the install steps, and the gotchas nobody tells you about.
6 min read -
PostgreSQL + Linux: Kernel Tuning That Actually Matters
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.
6 min read -
Docker Networking Demystified
Docker networking confuses everyone at first. Here's the practical breakdown of bridge, host, overlay, and macvlan, with real Compose examples.
7 min read -
Lazydocker & Dive: Fix Your Docker CLI
Learn how lazydocker and dive make Docker manageable from your terminal. TUI dashboards, image layer analysis, CI integration, and optimization tips.
11 min read -
Proxmox NAT Bridge: One IP, Many VMs
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.
· Updated:7 min read -
Linux Privilege Escalation: The Defensive Playbook
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.
7 min read -
Adding Extra Swap to Linux
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.
· Updated:5 min read -
Bash for loops sequential counting
Master bash for loops, while loops, and seq for sequential counting, iterate over files, ranges, and arrays without losing your mind.
· Updated:6 min read
