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How to Change Pre Login Message in Linux

change pre login message in linux

This post help you with How to Change Pre Login Message in Linux.

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The file /etc/issue is a text file which contains a message or system identification to be printed before the login prompt. It may contain various @char and char sequences, if supported by getty.

How to Change Pre Login Message in Linux

Just open file /etc/issue and change the text as per your requirements.

Procedure to change /etc/issue - pre login file

Login as the root user. Open a file
# vi /etc/issue

Append new text as follows:
Welcome to Learnitguide.net
Today is d t @ n

Save and close the file. d, t or n will expand as follows on run time.

/etc/issue - escape code

The issue-file (/etc/issue or the file set with the -f option) may contain certain escape codes to display the system name, date and time etc. All escape codes consist of a backslash () immediately followed by one of the letters explained below.
b : Insert the baudrate of the current line.
d : Insert the current date.
s : Insert the system name, the name of the operating system.
l : Insert the name of the current tty line.
m : Insert the architecture identifier of the machine, eg. i486
n : Insert the nodename of the machine, also known as the hostname.
o : Insert the domainname of the machine.
r : Insert the release number of the OS, eg. 1.1.9.
t : Insert the current time.
u : Insert the number of current users logged in.
U : Insert the string "1 user" or " users" where is the number of current users logged in.
v : Insert the version of the OS, eg. the build-date etc.

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