CentOS7 modify hostname (use with self-built dns)

vi /etc/hosts

Original content:

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

Add the host name at the back, if the host name is git.abc.tech, modify it to

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4 git.abc.tech
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6 git.abc.tech

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vi /etc/hostname

Original content:

localhost.localdomain

Modify to host name

git.abc.tech

---

rebootRestart the host

Use to hostname hostnamectlcheck the modified results after booting

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