How to Change Pre Login Message in Linux

Shan يوليو 12, 2015

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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