添加系统欢迎词

RHEL

/etc/issue

/etc/motd
添加信息

[root@rmaster01 ~]# cat   /etc/issue
\S 
Kernel \r on an \m
\v \d \l  
[root@rmaster01 ~]# cat /etc/motd
riyimei.cn
[root@rmaster01 ~]#

ubuntu

login01@k8s:~$ ll /etc/update-motd.d
total 68
drwxr-xr-x  2 root root  326 Mar 27 06:08 ./
drwxr-xr-x 91 root root 8192 Mar 27 06:04 ../
-rwxr-xr-x  1 root root 1220 Apr  9  2018 00-header*
-rwxr-xr-x  1 root root 1157 Apr  9  2018 10-help-text*
lrwxrwxrwx  1 root root   46 Aug  6  2020 50-landscape-sysinfo -> /usr/share/landscape/landscape-sysinfo.wrapper*
-rwxr-xr-x  1 root root 4646 Sep 27  2019 50-motd-news*
-rwxr-xr-x  1 root root  749 Mar 27 06:08 60-my-welcome-info*
-rwxr-xr-x  1 root root  604 Mar 21  2018 80-esm*
-rwxr-xr-x  1 root root 3017 Mar 21  2018 80-livepatch*
-rwxr-xr-x  1 root root   97 Nov 12  2018 90-updates-available*
-rwxr-xr-x  1 root root  299 Jun  3  2019 91-release-upgrade*
-rwxr-xr-x  1 root root  165 Feb 17  2020 92-unattended-upgrades*
-rwxr-xr-x  1 root root  129 Nov 12  2018 95-hwe-eol*
-rwxr-xr-x  1 root root  111 Sep 20  2018 97-overlayroot*
-rwxr-xr-x  1 root root  142 Nov 12  2018 98-fsck-at-reboot*
-rwxr-xr-x  1 root root  144 Nov 12  2018 98-reboot-required*
login01@k8s:~$

cd /etc/update-motd.d
添加脚本

login01@k8s:~$ cat /etc/update-motd.d/60-my-welcome-info 
#!/bin/sh
printf "========================================================\n"
printf "========================================================\n"
printf "重要的事情说三遍:\n"
printf "不要再使用rm执行删除操作, 要使用trash-put命令执行删除操作, 使用trash-put命令删除的文件可以恢复\n"
printf "不要再使用rm执行删除操作, 要使用trash-put命令执行删除操作, 使用trash-put命令删除的文件可以恢复\n"
printf "不要再使用rm执行删除操作, 要使用trash-put命令执行删除操作, 使用trash-put命令删除的文件可以恢复\n"       
printf "========================================================\n"
printf "========================================================\n"
login01@k8s:~$