Guides and tutorials for managing a Linux VPS: SSH, Docker, Nginx, security, and deployment.
43 tutorials available
Restore a VPS snapshot from the HolyCloud customer area to roll back after a failed update or configuration error.
Audit your HolyCloud VPS security with Lynis: hardening, compliance, and actionable recommendations.
Install Python 3, pip, and virtual environments (venv) on a HolyCloud VPS to isolate your projects.
Configure Nginx static file caching and cache headers on a HolyCloud VPS to speed up your sites.
Configure Postfix on a HolyCloud VPS for application mail (notifications, forms) with authentication and basic anti-spam.
Configure a swap partition or ZRAM on a HolyCloud VPS to absorb memory spikes without exhausting RAM.
Install Ansible on a HolyCloud VPS to automate server configuration and deploy playbooks.
Obtain a Let's Encrypt wildcard certificate (*.domain) via DNS-01 challenge and Certbot on a HolyCloud VPS.
Format and mount an additional disk or volume on a HolyCloud VPS for data, backups, or sites.
Monitor and free disk space on your HolyCloud VPS with df, du, and ncdu.
Understand and verify automatic Let's Encrypt certificate renewal via Certbot on a HolyCloud VPS.
Apply sysctl network and kernel hardening parameters on a HolyCloud VPS: anti-spoofing, SYN flood, ICMP redirects, and persistence.
Deploy a lightweight K3s Kubernetes cluster on your HolyCloud VPS to orchestrate containers with modest resources.
Configure BorgBackup on a HolyCloud VPS: encrypted repository, incremental backups, exclusions, and sync to remote storage (BorgBase or SSH).
Install MongoDB Community Edition on a HolyCloud VPS via the official repository, secure access, create users, and enable the systemd service.
Install and configure Apache on a HolyCloud VPS: virtual hosts, modules, MPM, logs, and PHP-FPM or reverse proxy integration.
Tune PHP-FPM pools on a HolyCloud VPS: dynamic pm, memory, slowlog, OPcache, and Nginx or Apache integration.
Install Git on a HolyCloud VPS, configure SSH keys to GitHub/GitLab, clone a repository, and automate simple deployment via hook or script.
Use journald and journalctl on a HolyCloud VPS: filter by service, priority, time range, and log persistence.
Deploy a full LAMP stack on a HolyCloud VPS: Apache, MariaDB, PHP, virtual host, permissions, and secure phpinfo test.
Schedule backups, scripts, and maintenance on a HolyCloud VPS with crontab, field syntax, logging, and best practices.
Install MariaDB on a HolyCloud VPS, secure the installation, create users and databases, and configure local access for your applications.
Keep a HolyCloud Ubuntu/Debian VPS up to date with apt: security updates, kernel, planned reboots, and automation.
Connect to your HolyCloud VPS for the first time via SSH: retrieve credentials, key or password, OpenSSH client, and common troubleshooting.
Recover root access on a HolyCloud VPS: panel reset, rescue mode, chroot, and post-recovery best practices.
Configure timezone and NTP synchronization with timedatectl and chrony on a HolyCloud VPS.
Install Plesk Obsidian on a HolyCloud VPS via the official installer and open firewall ports.
Deploy WordPress on a HolyCloud VPS with Nginx, MariaDB, and PHP-FPM; optional WP-CLI.
PHP-FPM, common extensions, and global Composer on a HolyCloud Linux VPS.
Install Node.js LTS on a HolyCloud VPS via NodeSource or nvm, and verify node and npm.
Install PostgreSQL on a HolyCloud VPS, create a user and database, and configure pg_hba.conf.
Install redis-server on a HolyCloud VPS, configure bind, requirepass password, and firewall.
Install MTR or traceroute on a HolyCloud VPS and interpret latency and packet loss hop by hop.
Incremental backups from a HolyCloud VPS to a remote server over SSH, with exclusions and cron scheduling.
Deploy a WireGuard VPN on your HolyCloud VPS to access internal services securely and administer via an encrypted tunnel.
Expose a backend application (Node, Docker, etc.) behind Nginx on your HolyCloud VPS with proxy headers and WebSocket.
Install Docker Engine from the official repository and the Docker Compose plugin on a HolyCloud Linux VPS (Ubuntu/Debian).
Serve a site over HTTPS on your HolyCloud VPS with Nginx and automatic Let's Encrypt certificates via Certbot.
Protect SSH and web services against brute-force attempts with Fail2ban and jails suited to your HolyCloud VPS.
Build a manual iptables/nftables firewall on a HolyCloud VPS: DROP policy, SSH, HTTP/HTTPS, and rule persistence.
Set up a simple firewall on Ubuntu/Debian with UFW: default policy, open SSH/HTTP/HTTPS, and verify rules.
Harden the SSH daemon on your VPS: custom port, keys only, attempt limits, and disable root login.
Create a dedicated administrator account, configure SSH keys, and reduce root exposure on your HolyCloud VPS.
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