摘要： #!/bin/bash echo " CPU信息 " sar -u 1 1 echo " 内存剩余 " free -m | grep Mem | awk '{print $4}' echo " 检测网络 " ping -c 1 www.baidu.com >> /dev/null if [ $? -eq 0 ];then echo "网络畅通" else echo "网络无法访问" fi echo 阅读全文