Linux
441 entries match these filters
- 0350 wg-easy: WireGuard VPN with a web admin interface A Docker image that runs a WireGuard server and a web page to create clients, show QR codes and watch traffic. The… Linux Repo VPN & tunnels 15 Oct 2026
- 0363 Restore drill: prove your backup works in 15 minutes A repeatable procedure to restore one file and one database from your newest backup into a scratch location, compare the result with… Intermediate · Step by step · Linux, macOS Article Backup tools · Strategy & restore drills 15 Oct 2026
- 0351 Pi-hole: network-wide ad blocking with your own DNS server A DNS server for your home or office network that answers queries for known advertising and tracking domains with nothing, so every… Linux Repo DNS, IP addresses & ports · VPN & tunnels 15 Oct 2026
- 0364 Schedule PostgreSQL and MySQL dumps with systemd timers Write one dump script for PostgreSQL and MySQL, run it from a systemd service and timer instead of cron, keep two weeks… Intermediate · Step by step · Linux Article Backup tools · PostgreSQL 15 Oct 2026
- 0359 fail2ban: ban hosts that fail to log in too often The standard intrusion-prevention daemon on Linux servers: it watches logs or the journal for repeated failures and adds temporary firewall rules against… Linux Repo Server hardening · SSH 15 Oct 2026
- 0365 Proxmox Backup Server: first setup and first restore Install Proxmox Backup Server, create a datastore and a backup user, connect it to Proxmox VE as storage, run the first VM… Intermediate · Step by step · Linux Article Backup & restore · Backup tools 15 Oct 2026
- 0360 certbot: the Let’s Encrypt client The EFF's ACME client that obtains free TLS certificates from Let's Encrypt, can configure nginx and Apache for HTTPS automatically and renews… Linux Repo TLS & certificates 15 Oct 2026
- 0371 Where are the logs? journalctl, /var/log and container logs A practical map of where Linux programs write their logs and the commands to read them: journalctl filters, the classic files under… Beginner · Step by step · Linux Article Logs 15 Oct 2026
- 0361 dev-sec ansible-collection-hardening: tested hardening roles for Linux, SSH and nginx An Ansible collection that applies a well-documented hardening baseline to Linux hosts, the SSH server and client, nginx and MySQL, with every… Linux Repo Ansible · Server hardening 15 Oct 2026
- 0347 Port check script: test a list of host:port pairs with timeouts A bash script that tries a TCP connection to each host:port you give it, waits a few seconds at most, and reports… Beginner · Cheat sheet · Linux, macOS Script DNS, IP addresses & ports · Firewalls 15 Oct 2026