nixCraft Linux / UNIX Newsletter

How to change hostname on Debian 10 Linux

Posted: 13 Aug 2021 12:55 PM PDT

{Updated} How do I change the hostname of a Debian Linux 10 'Buster' operating system permanently using the command line tools?

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How to find and replace ALL IP addresses with a new one

Posted: 13 Aug 2021 11:01 AM PDT

At a certain point, I needed to change the VLAN IP address such as 172.0.0.2 with 172.0.0.1 for ease of use. As you know, Linux and Unix-like operating system stores all IP addresses and config in plain text files. This page explains my little adventure where I had to find and find and replace ALL IP addresses with a new one on Linux.

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