Questions & Answers

0
votes
1
answers
639
views

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?
security firewall ubuntu ufw
linux_expert • Bronze • asked 1 week, 2 days ago
17
votes
1
answers
844
views

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?
security ubuntu updates automation
omar_linux • Platinum • asked 1 week, 2 days ago
8
votes
1
answers
1207
views

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?
ubuntu apt packages dependencies
sysadmin • Silver • asked 1 week, 2 days ago
8
votes
1
answers
289
views

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?
linux ubuntu sudo permissions
noor_code • Gold • asked 1 week, 2 days ago