Guides from the NOC

Adding IPv6 to your VPS? Learn how to configure netplan, UFW/ip6tables, and SSH the right way so IPv6 works without locking you out or breaking IPv4.

Planning a do-release-upgrade on your Ubuntu VPS? Use this safe checklist to avoid downtime, broken PHP/Nginx configs, and SSH lockouts mid-upgrade.

Docker or WireGuard failing with 'Operation not permitted' on your VPS? Learn the KVM vs OpenVZ difference, how to check yours, and how to fix it for good.

Add TOTP two-factor authentication to SSH logins on your VPS using PAM and Google Authenticator, including the fix for the lockout risk everyone hits first.

Confused about managed vs unmanaged VPS plans? See exactly what support fixes on each, real ticket examples, and how to pick the right one for your team.

Confused between a VPS and a dedicated server? Compare cost, performance, control, and scaling so you pick the right hosting for your traffic and budget.

UFW commands don't work on AlmaLinux. Learn firewalld zones, firewall-cmd basics, and how to secure a fresh AlmaLinux or CentOS VPS without locking yourself...

Choosing an OS for your VPS? Compare Ubuntu, AlmaLinux, and Debian on cPanel support, package management, and update cycles before you provision your server.

Node, PM2, or code-server throwing ENOSPC: System limit for number of file watchers reached on your VPS? Fix the fs.inotify.max_user_watches limit for good.

Site crawling or throwing 502s under traffic? Learn how to calculate pm.max_children and pick dynamic vs ondemand vs static PHP-FPM on your VPS.

Slow WordPress or app on your VPS even with low CPU? Tune innodb_buffer_pool_size, max_connections, and tmp_table_size in my.cnf the right way.

VPS throwing 'fork: retry: Resource temporarily unavailable'? Learn how nproc/ulimit -u limits work and how to diagnose, raise, and prevent them safely.

Install Memcached on your VPS, wire it into PHP sessions, and fix Connection Refused and Class Memcached Not Found errors while keeping port 11211 secure.

Install Elasticsearch on a VPS the right way: fix the vm.max_map_count bootstrap error, size the JVM heap correctly, and lock down access before going live.

Upgrading MySQL or MariaDB on your VPS? Follow this backup-test-upgrade checklist so WordPress, WooCommerce, or your app doesn't break after the update.

Set up vsftpd on a bare VPS with TLS encryption and a proper chroot jail, and fix the passive-mode firewall issue that breaks most FTP setups.

VPS dropped off the network after a netplan edit? Learn the common YAML mistakes, how to recover access via console, and set a static IP correctly.

Install Caddy on your VPS and get free auto-renewing HTTPS with zero Certbot config. Step-by-step setup, reverse proxy examples, and fixes for common errors.

VPS throwing "Temporary failure in name resolution"? Fix broken resolv.conf, systemd-resolved, and firewall issues stopping DNS lookups on Linux.

Outgrown shared cPanel hosting? Here's how to move your site, database, mail, and DNS to a VPS step by step without downtime or lost email.

Confused about vCPU, RAM, or disk size for your VPS? Learn how to size a plan for WordPress, WooCommerce, Node, or Docker workloads without over- or under-bu...

Install k3s on a single VPS the right way: firewall rules, kubectl access from your laptop, ingress with TLS, and fixes for the errors that block startup.

Automate VPS provisioning with Ansible: create users, harden SSH, configure ufw and fail2ban, and install your stack from one idempotent playbook.

Configure logrotate on your VPS to stop nginx, MySQL, and app logs from filling the disk. Real config examples, testing commands, and common mistakes fixed.