Ubuntu

Opening up port 80 and 443 for Oracle Cloud servers

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Original: https://dev.to/armiedema/opening-up-port-80-and-443-for-oracle-cloud-servers-j35 Are you working on setting up your Oracle Cloud server and are facing issues with sites rendering as expected? Such as, getting time out issues when navigating to the site’s url? Before we get into the steps of making port 80 and 443 work properly on an Oracle server, you may be wondering … Read more

Copy Let’s Encrypt certificate to another server after renewal

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Steps: 1. Set Up Passwordless SSH Access Ensure that the server running Let’s Encrypt (Server1) can connect to the target server (Server2) via SSH without a password: On Server1, generate an SSH key pair (if not already created): ssh-keygen -t rsa -b 4096 Copy the public key to Server2: ssh-copy-id user@server2 Replace user with the … Read more

Desktop Environment (Change)

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https://support.system76.com/articles/desktop-environment/#different-desktop-environments Change Default Display Manager: sudo dpkg-reconfigure gdm3 Check which display manager is running: systemctl status display-manager.service or $ cat /etc/X11/default-display-manager Restart GDM: sudo systemctl restart gdm