How to set your Domain name in Linux

Sun, 31 May 2020 00:00:00 +0000

Resume to set a domain name in Linux

concepts:

FQDN (Fully Qualified Domain Name)

eg:

hostname = server1 // FQDN = server1.example.com

1. First add FQDN to your hostname in /etc/hosts file.

# cat /etc/hosts
10.120.68.23 server1.example.com server1

confirm the FQDN issue the following command:

# hostname -f
server1.example.com

2.1. Configure domain name (Red Hat RHEL, Fedora and CentOS)

From these path add the parameters needs

vi /etc/sysconfig/network
DOMAINNAME=<domainname>

vi /etc/sysctl.conf
kernel.domainname = <domainname>

2.2. figure domain name ( Ubuntu, Debian)

#vi /etc/hostname
server1

Then restart the service:

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Mon, 01 Jan 0001 00:00:00 +0000

Hello there! I’m a big fan of GNU/Linux 🐧 and all things open-source. By day, I work as a DevOps 👨‍💻, wrangling various projects to ensure they run like well-oiled platform. But let me take you back to where my journey began - coding in Assembly language and tinkering with MicroChip, Atmega and embedded devices. That was my playground before I took the leap into the cloud, focusing on CI/CD, GitOps, SRE, and HA zones, my main focus it’s to delivers reliable IDP.

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How to set your Domain name in Linux

1. First add FQDN to your hostname in /etc/hosts file.

2.1. Configure domain name (Red Hat RHEL, Fedora and CentOS)

2.2. figure domain name ( Ubuntu, Debian)

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