Server Management
Latest Server Management News
How to Set Up SSH Key Authentication on Ubuntu (Without Locking Yourself Out)
Set up SSH key authentication on Ubuntu and safely disable password login. ed25519 keys, ssh-copy-id, sshd_config — no lockout, ten-minute…
How to Set Up Nginx as a Reverse Proxy for Node.js on Ubuntu
Front a Node.js app with Nginx as a reverse proxy on Ubuntu — proxy_pass, WebSocket upgrade, PM2 or systemd for…
How to Install and Configure Redis on Ubuntu (for Laravel & WordPress)
Install Redis on Ubuntu, secure it with a password, install php-redis, and wire it into Laravel as cache/session/queue or WordPress…
How to Harden a Fresh Ubuntu VPS: UFW + Fail2Ban + SSH Key Auth
New-VPS hardening checklist for Ubuntu: non-root sudo user, SSH key auth, disabled root/password login, UFW firewall, Fail2Ban, and unattended security…
How to Set Up Let’s Encrypt SSL with Certbot on Ubuntu (Apache & Nginx)
Install Let's Encrypt SSL on Ubuntu with Certbot — Apache and Nginx, auto-renewal via systemd timer, force-HTTPS redirect, wildcard certs,…
What Does the -y Flag Do in yum / dnf / apt-get?
The -y flag in yum, dnf, and apt-get auto-answers yes to every prompt. Useful in scripts; skip it for first-time…
How to Fix DKIM Not Signing Emails in aaPanel
Fix aaPanel emails not being signed by DKIM — chmod 644 the /www/server/dkim/{domain}/default.private file and restart rspamd. Includes DNS publish…
How to Disable Binary Logging in MySQL or MariaDB
Permanently disable binary logging in MySQL or MariaDB by adding skip-log-bin to my.cnf under [mysqld]. Verify with SHOW VARIABLES LIKE…
How to Switch from LiteSpeed to Apache in WHM/cPanel
Switch from LiteSpeed to Apache in WHM/cPanel with /usr/local/lsws/admin/misc/cp_switch_ws.sh apache. If LiteSpeed is still running, stop it with lswsctrl stop.
How to Stop Cron Output (and the Spam Emails)
Stop cron-job output and email spam by redirecting stdout and stderr to /dev/null with >/dev/null 2>&1. Includes errors-only variant and…