Custom message SSH before login prompt in Linux
Tested on ubuntu 18.04 server The file /etc/issue.net is a text file which contains a message or system identification to be printed before the login prompt of a telnet session. It may contain various ‘%-char’ (or, alternatively, ‘\-char’) sequences. The common char for output some informations are:
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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, e.g., i686. 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 kernel, e.g., 2.6.11.12. t Insert the current time. u Insert the number of current users logged in. U Insert the string "1 user" or "<n> users" where <n> is the number of current users logged in. v Insert the version of the OS, e.g., the build-date etc. |
If you want to display your IP Configuration you can simply add the following line to the issue file:
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My IP address: \4{eth0} |