RHEL 8 Change Hostname (computer name) command

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I am a new RHEL 8 user and setup a server. They setup my server name to ‘localhost’ during deployment but now I would like to change the computer name to something else. How can I remove old name and set it to ‘nixcraft-rhel8’ on Red Hat Enterprise Linux? Can you tell me how do I change the RHEL 8 computer name? How do I assign a static hostname to server running RHEL 8?

RHEL 8 dig command not found – How to install dig on RHEL 8

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I deployed minimal version of RHEL 8 in the cloud. However, I am unable to find the dig command on my newly created RHEL 8 server. It says ‘-bash: dig: command not found‘ I tried yum install dig, but it failed too. How do I install dig command on RHEL 8 Linux using the command line?
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