Posts
Page 12 of 47
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The Role of Antivirus and Endpoint Detection and Response Systems
AV vs EDR — traditional antivirus signatures vs behavioral endpoint detection. What each catches, what it misses, and what you actually need.
· Updated:5 min read -
The Zero-Trust Home Lab
Apply zero-trust principles to your home lab — network segmentation, VLANs, identity-aware proxies, and Tailscale as the glue.
· Updated:6 min read -
Ubuntu Debian packages have been kept back error
Packages have been kept back during apt upgrade — what it means, why it happens, and how to safely install or hold those packages.
· Updated:5 min read -
UFW Basics: Setting Up Your Linux Firewall
UFW makes iptables manageable — allow and deny rules, app profiles, default policies, and the 5-minute setup for any new Linux server.
· Updated:6 min read -
Ulimit, Cgroups, and the Art of Stopping Processes From Eating Your Server
ulimit and cgroups v2: set per-process CPU, memory, and file limits, use systemd slice controls, and keep one runaway service from killing your server.
· Updated:8 min read -
Understanding Docker vs. Full Virtual Machines (VMs)
Containers share the kernel; VMs have their own. Understand the isolation trade-offs, overhead differences, and when to use which.
· Updated:6 min read -
Understanding PostgreSQL Connection URIs
Decode the postgresql:// connection string — host, port, database, SSL mode, and the gotchas that cause connection refused at deploy time.
· Updated:5 min read -
Understanding printf vs echo in Bash
echo is convenient but inconsistent across systems; printf is portable and precise — know when to use each and avoid the gotchas.
· Updated:5 min read -
A Guide to LXC/LXD
LXC/LXD runs full Linux environments in lightweight containers — faster to spin up than VMs and perfect for home lab service isolation.
· Updated:5 min read -
Update a Single Package Using APT
Update one package with apt without upgrading everything else — the exact flag, version pinning, held package handling, and the apt vs apt-get distinction that trips people up.
· Updated:5 min read -
WASM Containers in 2026
Spin, WasmEdge, and wasmCloud compared: what WASM containers can actually replace in 2026, where Docker still wins, and which tools are production-ready.
· Updated:10 min read -
Wiki.js with GitSync: Documentation That Lives in Version Control Like It Should
Wiki.js GitSync stores your docs as Markdown in a Git repo — push, pull, or two-way sync with full commit history, PR workflows, and IDE-based editing.
· Updated:8 min read