Developer Q&A — ask, answer, and find what worked

0votes

1answer

1081views

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 asked 9 months, 1 week ago

17votes

1answer

1259views

I want my Ubuntu server to automatically install security updates. How do I configure unattended-upgrades?

security ubuntu updates automation

omar_linux asked 9 months, 1 week ago

8votes

1answer

1663views

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 asked 9 months, 1 week ago

8votes

1answer

750views

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 asked 9 months, 1 week ago