In most cases, there is no reason to remove an OS user. It is better to simply lock down the account to prevent any future login.
passwd -l username
Author: paul.deluca
How do I change the Linux root password?
If you need to change the server’s root password:
- Log in as root using PuTTY
- At the root shell prompt (# pound sign), type passwd and hit ENTER
- Follow the prompts to set your new password
- When finished, type exit to exit the shell.
How do I access the Linux GUI via VNC?
VNC is a remote desktop protocol similar to Microsoft Windows Terminal Services or RDP. The server must be powered on and running Linux for VNC to operate.
First, you must have a VNC viewer application for your PC, Mac or mobile device. In this example, we’ll be using the free RealVNC viewer.
Launch the viewer and enter your server’s IP address, followed by “:1” to signify the VNC service listening on the first available port and press Connect:
When prompted, select Continue:
When prompted, enter your VNC password:
You will now be at the GUI desktop. When you are finished, just close the VNC window to end your session.
How do I access the Linux GUI via the DRAC?
The Dell Remote Access Card (DRAC) contains full-featured remote console access that offers full remote KVM and media access to the server, regardless of its power state.
- Open a web browser and navigate to the DRAC’s IP address, which is different from the Linux server’s LAN IP address
- The default log in username is root, with a password of calvin
- Select Console and Launch Viewer