How to modify CentOS Linux computer name

Source: Internet
Author: User
Tags centos

Entos Modify computer host name to modify 2 files: Hosts and network

The code is as follows Copy Code

#hostname XXX

Effective immediately after modification, but not valid after reboot.

The code is as follows Copy Code

#vi/etc/hosts

Add "192.77.108.247 c247" on the last line, before the IP, followed by the name. Restart #service Network Restart after it takes effect.

The code is as follows Copy Code

#vi/etc/sysconfig/network

Modify the contents of the hostname equals sign inside. Restart #service Network Restart after it takes effect.

Example

The code is as follows Copy Code

Vim/etc/hosts
#Do not remove the following line, or various programs
# that require network functionality would fail.
127.0.0.1 Localhost.localdomain Mail #修改的主机名
:: 1 localhost6.localdomain6 Localhost6
127.0.0.1 localhost

Vim/etc/sysconfig/network

Networking=yes
Networking_ipv6=no
Hostname=mail #修改的主机名

Finally, attach a check computer name method

View computer name: Enter hostname in terminal
Modified words hostname + computer name (invalid after reboot)
To change the configuration file permanently,/etc/sysconfig/network
Modify hostname= you want to change the name

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