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Updated: 17 hours 57 min ago

Explain DEBIAN_FRONTEND apt-get variable for Ubuntu / Debian

Mon, 01/27/2020 - 04:36

Can you explain DEBIAN_FRONTEND apt or apt-get variable? How and why I need to use this in Docker or shell scripts under a Debian and Ubuntu Linux?

The post Explain DEBIAN_FRONTEND apt-get variable for Ubuntu / Debian appeared first on nixCraft.

Ubuntu 20.04 LTS change hostname permanently

Wed, 01/22/2020 - 13:27

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?

The post Ubuntu 20.04 LTS change hostname permanently appeared first on nixCraft.

Linux Rename Multiple Files At a Shell Prompt

Wed, 01/22/2020 - 12:58

How do I rename multiple files at a shell prompt under a Linux or UNIX operating systems?

The post Linux Rename Multiple Files At a Shell Prompt appeared first on nixCraft.

Upgrade Ubuntu 18.04 to 20.04 LTS using command line

Wed, 01/22/2020 - 11:50

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?

The post Upgrade Ubuntu 18.04 to 20.04 LTS using command line appeared first on nixCraft.

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