Modify login host information in linux and host modification in linux

Modify login host information in linux and host modification in linux

It usually manages more than 130 Linux physical hosts, so it is difficult to deploy applications to find out the IP information of each host!

Therefore, you must plan at the beginning of deployment:

Write a script to put host information such as the host IP address, Administrator contact method, and application deployment in. sh.

There are two files in the main modification area of shell.

1. Modify/etc/issue (when operating on site in the IDC, you can know the host application according to the display prompt information)

2. Modify/etc/motd (when connecting to the remote terminal through ssh, you can follow the terminal prompts to know the host application, etc)

How can I change the linux host name?

Many people use the hostname to modify the host name. In fact, this is only for the moment. After restarting, it will be restored to the original name.

Many people say that the host name in the/etc/hosts file is only provided for dns resolution. if you cannot use dns, you only need to modify the host name.

In fact, it is to modify the host name in the file etc/sysconfig/network.

NETWORKING = yes
HOSTNAME = Host Name

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Remember to restart !!!

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Complete:

Step 1:
# Hostname oratest
Step 2:
Modify the hostname in/etc/sysconfig/network
Step 3:
Modify the/etc/hosts file
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How does one change the host name in linux?

Many people use the hostname to modify the host name. In fact, this is only for the moment. After restarting, it will be restored to the original name.
Many people say that the host name in the/etc/hosts file is only provided for dns resolution. if you cannot use dns, you only need to modify the host name.
It is actually modifying this file etc/
Many people use the hostname to modify the host name. In fact, this is only for the moment. After restarting, it will be restored to the original name.
Many people say that the host name in the/etc/hosts file is only provided for dns resolution. if you cannot use dns, you only need to modify the host name.
In fact, it is to modify the host name in the file etc/sysconfig/network.
NETWORKING = yes
HOSTNAME = Host Name
------------------------------------------------------------------------
------------------------------------------------------------------------ Complete: Step 1: # hostname oratest Step 2: Modify hostname in/etc/sysconfig/network Step 3: Modify/etc/hosts file