Security
Intermediate
Setting up a WireGuard VPN: secure access to your own server
A lean WireGuard VPN natively on the netcup server: keys, server and client config, firewall, phone QR – plus the Docker …
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12 min read
Category
Security category: all tutorials
All Serverküche tutorials in the Security category – hands-on step-by-step self-hosting guides for your own server.
7 tutorials
All tutorials
Security
Advanced
CrowdSec: modern, collaborative intrusion prevention
Set up CrowdSec with the Traefik bouncer: detect attacks from the access logs, block attackers with a 403 and benefit …
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17 min read
Security
Intermediate
Restic backups: encrypted and off-site
Off-site backups with Restic: set up encrypted, restore snapshots, prune with retention and automate via a systemd …
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12 min read
Security
Intermediate
Setting up Fail2ban: block brute-force attacks automatically
Fail2ban watches your logs and bans IPs after too many failed attempts – with a safe whitelist for your own address so …
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8 min read
Security
Beginner
unattended-upgrades: automatic security updates for Debian
Debian installs security updates automatically: set up unattended-upgrades, control the reboot, and verify it really …
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5 min read
Security
Beginner
Setting up a firewall with UFW
Set up a host firewall in minutes with UFW: block everything except SSH, HTTP and HTTPS on your server – without ever …
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5 min read
Security
Beginner
Hardening SSH access
Key-based login instead of passwords and no root login: the most important moves to harden the front door to your …
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5 min read