I am a brand-new Ubuntu Linux 20.04 LTS VM user. By default, my server name to ‘localhost’ during cloud installation, but now I would like to change the computer name to ‘ubuntu-2004-nixcraft’. Can you tell me how do I remove the localhost and set it to ubuntu-2004-nixcraft on Ubuntu 20.04 Linux? How do I change the Ubuntu computer name from ‘localhost’ to ‘ubuntu-2004-nixcraft’? Can you tell me more about Ubuntu Linux change hostname command?
I need to upgrade the Ubuntu Linux version 18.04 LTS server to a 20.04 LTS server using the command line option. How do I upgrade Ubuntu 18.04 to 20.04?
I removed and installed Ubuntu Linux 16.04 LTS on my development Lenovo laptop. However, I need to use my Windows 10 pro in KVM VM for running the accounting app. How do I find and print my embedded Windows 10 pro key from a Linux command line option? How can I retrieve Microsoft Windows 8 and 10 OEM product key from BIOS?
How do I add a user account with admin (sudo) access on Ubuntu or CentOS Linux cloud server? How can I add a new user with admin account level access in Linux?
How do I secure my Nginx web server with Let’s Encrypt free ssl certificate on my CentOS 8 server? How to set up and configure Nginx with Let’s Encrypt on CentOS 8?
How do I remove Santa Hat in VLC media player that displayed during Christmas time during 18th December to 1st January?