查看Centos系统版本基础信息与防火墙、SElinux

我记得我刚学linux时，安装一个服务一直起不来，我就找同事帮忙，找半天最后发现是SElinux没有关，这种低级错误，在我同事看来简直乐死了，哈哈，所以我写了一个脚本，避免大家在学习时避免这个低级错误，未来我还会创作更多的脚本，欢迎使用测试

#!/bin/bash

echo -e "\e[1;33m系统信息:\e[0m"
echo -e "         host name is: \e[1;32m`hostname`\e[0m"
echo -e "         ip is : \e[1;32m`ifconfig | grep -Eo '([0-9]{1,3}\.){3}[0-9]{1,3}' | head -n1`\e[0m"
echo -e "         os version is : \e[1;32m`cat /etc/centos-release`\e[0m"
echo -e "         Kernel version is : \e[1;32m`uname -r`\e[0m"
echo -e "         cpu type is : \e[1;32m`lscpu |grep 'Model name' |tr -s ' ' |cut -d : -f2`\e[0m"
echo -e "         RAM is : \e[1;32m`free -h | grep 'Mem' | tr -s ' '|cut -d ':' -f2 | cut -d ' ' -f2`\e[0m"
echo -e "         Hard Disk SZIE is : \e[1;32m`lsblk |grep 'sda' |head -n1 |tr -s ' ' |cut -d ' ' -f4`\e[0m"
echo -e "         time is : \e[1;32m`date +%Y'年'%m'月'%d'日'%H'时'%M'分'%S'秒'`\e[0m"
echo -e "         time zone is : \e[1;32m`date +'%Z%z'`\e[0m"
FIREW=`systemctl status firewalld | grep 'active' |tr -s ' '|cut -d ' ' -f3`
if [ $FIREW = active ] ; then
echo -e "         firewalld is :\e[1;32mrunning\e[0m"
else
echo -e "         firewalld is :\e[1;32mnot running\e[0m"
fi

FIREWSE=`getenforce`
if [ $FIREWSE = Disabled ] ; then
echo -e "         SELinux is :\e[1;32mDisabled\e[0m"
else
echo -e "         SELinux is :\e[1;32menforcing\e[0m"
fi

脚本下载链接如下