标签：0.00 $1 磁盘 uniq UI ifconf 端口号 nbsp dock
[root@centos-6_5 awk]# cat system.sh #!/bin/bash #coding:utf-8 #author:fjj #date:2018.1.28 echo "取出UID大于200或root的用户信息:" awk -F: '{if ($3 >= 200 || $1 == "root") print "info:" $0}' /etc/passwd echo echo "取出前3列之外的所有列:" awk -F: '{for (i=3;i<NF;i++) print $i}' /etc/passwd | head -n 5 echo echo "取出磁盘使用百分比:" df -h | sed -n '2p' | awk '{print $5}' | awk -F% '{print $1}' echo echo "取出eth0的ip:" echo $(ifconfig | grep eth0 -A 1 | sed -n '2p' | awk '{print $2}' | awk -F: '{print $2}') echo $(ifconfig | grep eth0 -A 1 | sed -n '$p' | awk -F: '{print $2,$3}' | awk '{print "IP:"$1,"子网掩码:"$3}') echo $(/sbin/ip a | grep "eth0:" -A 2 | sed -n '$p' | awk '{print $2}' | awk -F'/' '{print "IP:"$1,"子网掩码:"$2}') echo echo "显示当前开放的端口号:" netstat -anltp | awk -F: '{ print $2}' | awk '{print $1}' | grep -v "^$" | sort -n | uniq #netstat -antulp | awk -F: '{print $2}' | awk '{print $1}' | sed '/^$/d' | sort -n | uniq echo echo "CPU负载:" #uptime | awk -F'average:' '{print $2}' uptime | awk -F': ' '{print $2}' uptime | awk -F'average: ' '{print $2}' echo echo "CPU的个数:" lscpu | grep "^CPU(s)" -w | awk '{print $2}' echo [root@centos-6_5 awk]# sh system.sh 取出UID大于200或root的用户信息: info:root:x:0:0:root:/root:/bin/bash info:saslauth:x:499:76:"Saslauthd user":/var/empty/saslauth:/sbin/nologin info:dockerroot:x:498:498:Docker User:/var/lib/docker:/sbin/nologin 取出前3列之外的所有列: 0 0 root /root 1 取出磁盘使用百分比: 8 取出eth0的ip: 10.135.113.229 IP:10.135.113.229 子网掩码:10.135.127.255 IP:10.135.113.229 子网掩码:18 显示当前开放的端口号: 22 25 42654 47772 CPU负载: 0.00, 0.00, 0.00 0.00, 0.00, 0.00 CPU的个数: 1标签：0.00 $1 磁盘 uniq UI ifconf 端口号 nbsp dock
原文地址：http://blog.51cto.com/19941018/2067324
