Centos7设置开机信息

Centos7设置开机信息

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1.给rc.local权限

chmod +x /etc/rc.d/rc.local

2.创建开机脚本并且赋权

cd ~&&touch hello.sh&&chmod +x hello.sh

3.脚本编写

vim hello.sh

#!/bin/sh -e
echo "" > /etc/issue
#这一段用于获取IP地址。
ip=$(ifconfig | grep inet | grep -v inet6 | grep -v 127 | sed 's/^[ \t]*//g' | cut -d ' ' -f2)
#********************下方是开机信息********************#
echo \S >> /etc/issue
echo Kernel \r on an \m >> /etc/issue
echo ********Centos7******** >> /etc/issue
echo username:root >> /etc/issue
echo password:Test@123 >> /etc/issue
echo IPv4:$ip >> /etc/issue
echo ======================= >> /etc/issue

4.脚本添加到rc.local中

vim /etc/rc.d/rc.local

将“/root/hello.sh”添加到rc.local的末尾

/root/hello.sh

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1.创建开机脚本并且赋权

cd ~&&touch login.sh&&chmod +x login.sh

2.脚本编写

vim login.sh

#!/bin/sh -e
echo "" > /etc/motd
#这一段用于获取IP地址。
ip=$(ifconfig | grep inet | grep -v inet6 | grep -v 127 | sed 's/^[ \t]*//g' | cut -d ' ' -f2)
#********************下方是登入后信息********************#
echo ********Centos7******** >> /etc/motd
echo username:root >> /etc/motd
echo password:Test@123 >> /etc/motd
echo IPv4:$ip >> /etc/motd
echo ======================= >> /etc/motd

3.脚本添加到rc.local中

vim /etc/rc.d/rc.local

将“/root/hello.sh”添加到rc.local的末尾

/root/login.sh

综合脚本

#!/bin/sh -e
echo "" > /etc/issue
echo "" > /etc/motd
#这一段用于获取IP地址。
ip=$(ifconfig | grep inet | grep -v inet6 | grep -v 127 | sed 's/^[ \t]*//g' | cut -d ' ' -f2)
#********************下方是开机信息********************#
echo ********Centos7******** >> /etc/issue
echo username:root >> /etc/issue
echo password:Test@123 >> /etc/issue
echo IPv4:$ip >> /etc/issue
echo ======================= >> /etc/issue

#********************下方是登入后信息********************#
echo ********Centos7******** >> /etc/motd
echo username:root >> /etc/motd
echo password:Test@123 >> /etc/motd
echo IPv4:$ip >> /etc/motd
echo ======================= >> /etc/motd