How to set welcome banner in CentOS

It's an very easy , we can edit their respective user .bashrc file by using echo command

#vi ~/.bashrc

echo "this is your welcome message"

or

echo "Hi welcome Mr. $USER "

save the file and login that particular user

output like

[root@boobalan-aadhardigital ~]# ssh boobalan@localhost
boobalan@localhost's password:
Last login: Sun Jul 29 17:01:09 2018 from localhost

Hi welcome Mr. boobalan
$
-----------------------------------------------------------------------------------------------------------
if you want to put some quote at random by using following tool


#yum install fortune cowsay



//edit the .bashrc file like




#vi ~/.bashrc

fortune | cowsay -pn

save and exit

//the login output

  ____________________________________________________________________________
/ Fatal Error: Found [MS-Windows] System -> Repartitioning Disk for Linux... \
\ (By cbbrown@io.org, Christopher Browne)                                    /
 ----------------------------------------------------------------------------
        \   ^__^
         \  (@@)\_______
            (__)\       )\/\
                ||----w |
                ||     ||
[root@boobalan-aadhardigital ~]#

--------------------------------------------------------------------------------------------------------
method 3 make a plain text file like

#vi /home/user/.banertext

echo "Hi welcome Mr. $USER "

//save and exit
//then edit sshd_config file

#vi /etc/ssh/sshd_config
// find a word Banner by use /Ba
.
.
Banner /home/user/.banertext

//save and exit

//restart the sshd

#systemctl restart sshd.service

//then login we will get the banner message for all the users