This page contains many helpful tools or services for system administrators and all others.
| Tool | Link | Usage type |
| Cockpit | cockpit-project.org | Web-based desktop access to Linux environments |
| RustDesk | rustdesk.com | Alternative to AnyDesk or TeamViewer (free, self-hostable, reliable) |
| Blockada | Blockada.org | Local VPN for mobile phones to block Ads (Android) |
| PiHole | pi-hole.net | DNS Server with Webinterface to block Ads (developed for Raspberry Pi but run on nearly every Linux) |
| AdguardHome | AdguardHome DNS | DNS Server mit Webinterface zum Entfernen von Ads |
| Binnen-I be gone | Binnen-I be gone - Chrome Webstore | Plugin for Webbrowsers to automatically remove “gender speech” in German language |
| The-QR-Code-Generator | the-qrcode-generator.com | Free tool to create QR-Codes |
| Openmediavault | openmediavault.org | Open-source debian-based network-attached storage solution |
| Ventoy | ventoy.net | USB-Boot-Tool, can directly boot into any ISO without burning it to the flash drive |
| MedicatUSB | medicatusb.com | All-in-One Systemrecovery USB-Tool (Built on top of ventoy) |
| SergeiStrelec | sergeistrelec.name | All-in-One Systemrecovery USB-Tool based on Windows, similar to Medicat |
| Balena Etcher | Balena Etcher - Github | Flash images on USB-sticks |
| Service | Link | Usage type |
| icanhazip | icanhazip.com | View public IP (also via CLI) |
| distrosea | distrosea.com | Test several Linux Distros within a browser. (free) |
| Package | Link | Usage type |
| fail2ban | fail2ban GitHub | Automatically scan logs to block IPs with too many failed authentications. Installation via apt. |
| pm2 | keymetrics.io | CLI process management tool for servers (not free) |
| smb4k | apps.kde.org/smb4k | Mount network shares directly to a path (can be used under Kubuntu, to mount directly), has a GUI |
| pdftk | pdflabs.com | Manage PDF's from CLI |
| poppler-utils | ubuntuusers.de/poppler-utils | Manage PDF's from CLI (For example merging with pdfunite) |