2020-12-12

初级脚本的编写

显示centos当前主机系统信息，包括：主机名，IPv4地址，操作系统版本，内核版本，CPU型号，内存大小，硬盘大小
#颜色自定义的变量显示

RED="\E[1;31m"
GREEN="echo -e \e[1;32m"
END="\E[0m"
$GREEN--------------------Host systeminfo--------------------$END
echo -e "hostname:     $RED`hostname`$END"
echo -e "IPADDR:       $RED`ifconfig ens33|grep -Eo '([0-9]{1,3}\.){3}[0-9]{1,3}' |head -n1`$END"
echo -e "OSVERSION:    $RED`cat /etc/redhat-release`$END"
echo -e "KERNEL        $RED`uname -r`$END"
echo -e "CPU:         $RED`lscpu|grep 'Model name'|tr -s ' '|cut -d : -f2`$END"
echo -e "MEMORY:       $RED`free -h|grep Mem|tr -s ' ' : |cut -d : -f2`$END"
echo -e "DISK:         $RED`lsblk |grep '^sd' |tr -s ' ' |cut -d " " -f4`$END"
$GREEN-------------------------------------------------------$END

来源：oschina

链接：https://my.oschina.net/u/4329429/blog/4807718