Linux & Open Source
How to Set Up a Cron Job That Runs a Backup Script Every Sunday at 2 AM
Backing up your files by hand is easy to forget. You mean to do it every week, then a busy month passes,…
October 21, 2026
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Linux & Open Source
How to Read journalctl Logs to Find Why Your Server Rebooted
You come in, try to open your Ubuntu server’s dashboard, and find that it rebooted in the middle of the night. It…
October 21, 2026
Linux & Open Source
How to Check Which Process Is Using Port 8080 on Linux
You try to start a web app or development server, and Linux stops you with a short message: address already in use,…
October 21, 2026
Linux & Open Source
How to Fix Netplan Changes Not Applying After Editing YAML
You edited the Netplan YAML file carefully, saved it, ran apply, and nothing changed. The server still has the old address, or…
October 21, 2026
Linux & Open Source
How to Set a Static IP on Ubuntu Server 24.04 Using Netplan
Ubuntu Server 24.04 is a great choice for a home lab or small business machine, until its address changes and none of…
October 21, 2026
Linux & Open Source
How to Fix SSH Connections Timing Out to a Raspberry Pi
Your Raspberry Pi was working yesterday, and today every SSH attempt hangs and times out. The board is still beside the router…
October 21, 2026
Linux & Open Source
Fix REMOTE HOST IDENTIFICATION HAS CHANGED SSH Warning Safely
You connect to a server you have used many times, and SSH stops dead with a wall of capital letters: REMOTE HOST…
October 21, 2026
Linux & Open Source
Set Up SSH Key Login and Disable Passwords on an Ubuntu Server
Typing a password every time you connect to your Ubuntu home server gets old quickly. Worse, password login is the part of…
October 21, 2026
Linux & Open Source
Fix SMB Protocol Errors Between Windows 11 and a Linux NAS
You plug in an older Linux NAS or dust off a reliable home server, open File Explorer in Windows 11, and instead…
October 21, 2026
Linux & Open Source
Stop Windows 11 Asking for Samba Credentials Again and Again
Few home network problems are as annoying as this one. You enter the username and password for your Samba shared folder, tick…
October 21, 2026