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.

Related Content on Linux might be useful to you to improve your Linux Skills.

How to Configure IP Address on Ubuntu using Netplan
How to Access Linux Server from Windows Remotely
Configure SSH Passwordless Login Authentication (SSH-keygen)
How to Create LVM Partition in Linux – LVM Tutorial
Install & Configure Samba Server on Linux (RHEL7 / CentOS7)

How to Create LVM Snapshot Volume in Linux

How to Create and Delete Partitions using fdisk in Linux

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