run below cmd to set the banner vi /etc/issue.net after that in vi editor please type your customized Banner save the file using esc + wq! now open the ssh configuration file vi /etc/ssh/sshd_config now search and remove #in front of "banner" word and provide the path to issue.net as replacement of current one Banner /etc/issue.net now run the below cmd /etc/init.d/sshd restart