Welcome information in Linux

Local Terminal welcome information
/etc/issue
\d Display the current system date
\s Display Operating system name
\l Display Terminal number, this is more commonly used
\M Displays the hardware architecture, such as i386, i686
\ nthe host name is displayed
\o Display domain name
\ r Show Kernel version
\ t displays the current system time
\U Displays the serial number of the currently logged on user
[Email protected] ~]# cat/etc/issue
CentOS Release 6.8 (Final)
Kernel \ r on an \m

Remote Terminal Welcome information
/etc/issue.net
A. The escape character is not available in this file
B. Receive only plain text welcome messages here
C. Whether to turn on display this welcome message, need to configure, default does not show
D. Configuration:
1. Edit/etc/ssh/sshd_config
2. Join Banner/ect/issue.net
3. Restart SSH Services: Service sshd restart

Welcome information After Login
/etc/motd
A. Local login, remote login can display this welcome message
B. Default is empty

Welcome information in Linux