史上之最 -- 最简单的服务器巡检脚本

echo "系统巡检脚本：Version `date +%F`"echo -e "33[33m*******************************************************系统检查 *******************************************************33[0m"echo "系统：`uname -a | awk '{print $NF}'`"echo "发行版本：`cat /etc/redhat-release`"echo "内核：`uname -r`"echo "主机名：`hostname`"echo "SELinux：`/usr/sbin/sestatus | grep 'SELinux status:' | awk '{print $3}'`"echo "语言/编码：`echo $LANG`"echo "当前时间：`date +%F_%T`"echo "最后启动：`who -b | awk '{print $3,$4}'`"echo "运行时间：`uptime | awk '{print $3}' | sed 's/,//g'`"echo -e "33[33m*******************************************************CPU检查 *******************************************************33[0m"echo "物理CPU个数: `cat /proc/cpuinfo | grep "physical id" | awk '{print $4}' | sort | uniq | wc -l`"echo "逻辑CPU个数: `cat /proc/cpuinfo | grep "processor" | awk '{print $3}' | sort | uniq | wc -l`"echo "每CPU核心数: `cat /proc/cpuinfo | grep "cores" | awk '{print $4}'`"echo "CPU型号: `cat /proc/cpuinfo | grep "model name" | awk -F":" '{print $2}'`"echo "CPU架构: `uname -m`"echo -e "33[33m*******************************************************内存检查 *******************************************************33[0m"echo "总共内存：`free -mh | awk "NR==2"| awk '{print $2}'`"echo "使用内存：`free -mh | awk "NR==2"| awk '{print $3}'` "echo "剩余内存：`free -mh | awk "NR==2"| awk '{print $4}'`"echo -e "33[33m*******************************************************硬盘检查 *******************************************************33[0m"echo "总共磁盘大小：`df -hT | awk "NR==2"|awk '{print $3}'`"echo -e "33[33m*******************************************************网络检查 *******************************************************33[0m"echo `ip a | grep eno | awk "NR==2" | awk '{print $NF,":",$2}'`echo "网关：`ip route | awk 'NR==1'| awk '{print $3}'`"echo "DNS: `cat /etc/resolv.conf | grep "nameserver" | awk '{print $2}'`"ping -c 4 www.baidu.com > /dev/nullif [ $? -eq 0 ];then    echo "网络连接：正常"else    echo "网络连接：失败"fiecho -e "33[33m*******************************************************安全检查 *******************************************************33[0m"echo "登陆用户信息：`last | grep "still logged in" | awk '{print $1}'| sort | uniq`"md5sum -c --quiet /etc/passwd > /dev/null 2&>1if [ $? -eq 0 ];then    echo "文件未被串改"else    echo "文件被串改"fi