Community Questions
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How to set up UFW firewall on Ubuntu
I want to secure my Ubuntu server with a firewall. How do I configure UFW to allow only SSH and HTTP/HTTPS?
How to set up automatic security updates on Ubuntu
I want my Ubuntu server to automatically install security updates. How do I configure unattended-upgrades?
How to fix broken package dependencies on Ubuntu
I'm getting "unmet dependencies" error when trying to install packages with apt. apt install -f doesn't work. How to fix this?
How to fix "Permission denied" when running sudo commands
I'm getting "Permission denied" errors when trying to run commands with sudo. The error says my user is not in the sudoers file. How can I fix this?