Detect SSH Brute Force Attacks with Logs and fail2ban
Learn to detect SSH brute force attacks on Ubuntu 24.04 with journalctl, grep and fail2ban, and spot the one login that matters after many failures.
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November 3, 2026
Securely Run Local LLMs on Linux: A Step-by-Step Guide
Learn how to run local LLMs on Linux with Ollama and llama.cpp, then lock them down: loopback binding, nginx TLS, firewall rules, systemd hardening.
November 2, 2026
Building Self-Healing Linux Servers: Scripts, systemd and Smart Alerts
Build a self-healing Linux server with systemd Restart and WatchdogSec, a tested bash remediation script with cooldown, timers and webhook alerts.
October 31, 2026
10 Essential Linux Automation Scripts for Sysadmins
Ten tested Linux automation scripts for sysadmins: update reports, user audits, SSH failures, port and file drift, backups, cleanup, watchdog, onboarding.
October 30, 2026
Automate Linux Server Tasks with Python and Cron: Step-by-Step
Python cron automation for Linux servers: tested disk-alert, log-cleanup and tarfile backup scripts, IST crontab examples, locking, logging and secrets.
October 28, 2026
Hijacked Tor Relays Stole SSH Passwords: Lessons for Every Admin
Hijacked Tor relays intercepted SSH logins in October 2026. Learn who was at risk, how to check known_hosts and how to stop the trick with key-only logins.
October 27, 2026
Tailscale SSH Vulnerability: Root Risk, Fixes and What to Do
Tailscale SSH vulnerability guide: July root bugs fixed in 1.98.9/1.98.10, new Tailworm flaws unpatched. Update, audit SSH rules, check servers.
October 26, 2026
NGINX October 2026 Vulnerabilities: Check Your Config and Patch
Five NGINX vulnerabilities were fixed in 1.30.6 and 1.31.7. Learn which configs are at risk, how to audit yours with nginx -T and how to patch safely.
October 26, 2026
How to Build a SOC Home Lab on Linux with Wazuh SIEM (2026 Guide)
Build a free SOC home lab with Wazuh 4.14: lab design, all-in-one install, connecting Linux and Windows agents, safe detection tests, file integrity monitoring and analyst skills to practise.
October 23, 2026
How to Self-Host n8n on Linux with Docker Compose, PostgreSQL and HTTPS (2026)
Set up a production-ready self-hosted n8n on Linux: Docker Compose, PostgreSQL 18, automatic HTTPS with Caddy, a first workflow, backups, updates and a security checklist.
October 23, 2026