介绍
基本信息
作者：朱明宇
名称：显示系统常用信息
作用：显示系统常用信息
使用方法
1. 在此脚本的分割线内写入相应的内容
2. 给此脚本添加执行权限
3. 执行此脚本
脚本分割线里的变量
1. times=5 #显示系统常用信息的次数
2. sleeptime=0.3 #大部分行与行之间显示的间隔时间
注意
1. 需要安装 sysstat 软件
2. 执行此脚本的用户能够使用 sudo ip a s 命令
3. 执行此脚本的用户能够使用 sudo ss -ntulap 命令
4. 搭建了 KVM 虚拟化平台后执行此脚本的用户能够使用 sudo virsh list 命令后才能实现
脚本
#!/bin/bash
####################### Separator ########################
times=5
sleeptime=0.3
####################### Separator ########################
nowtime=1
while (( nowtime <= times))
do
echo -e "Start Monitoring: \c"
for i in {1..94}
do
echo -e "#\c"
sleep 0.01
done
echo
sleep $sleeptime
host=`hostname`
echo -e "Name:\t\t\t\t\t\t\t \033[1m$host\033[0m"
ip=`sudo ip a s | awk '/[1-2]?[0-9]{0,2}\.[1-2]?[0-9]{0,2}/&&!/127.0.0.1/{print $2}' | awk -F/ '{print $1}'`
for iip in $(echo $ip)
do
sleep $sleeptime
echo -e "IP Address:\t\t\t\t\t\t \033[1m$iip\033[0m"
done
sleep $sleeptime
cpu=`top -bn 1 | awk -F',' '/^%Cpu/{print $4 }' | awk '{print $1}' | awk '{print 100-$1}'`
echo -e "CPU Usage (Total):\t\t\t\t\t \033[1m$cpu%\033[0m"
sleep $sleeptime
mem=`free | grep Mem | awk '{print $3/$2 * 100.0}' | egrep -o "[1]?[0-9]{0,2}\.[0-9]"`
echo -e "Memory Usage (Total):\t\t\t\t\t \033[1m$mem%\033[0m"
directory=`df -h | grep -v run | grep -v boot | awk '$1~/\/dev/{print $6}'`
for idirectory in `echo $directory`
do
sleep $sleeptime
directoryusage=`df -h | grep -v run | grep -v boot | awk '$1~/\/dev/{print}' | grep $idirectory$ | awk '{print $5}'`
if [ $idirectory == / -o $idirectory == /sda -o $idirectory == /sdb ];then
echo -e "Directory Usage ($idirectory):\t\t\t\t\t \033[1m$directoryusage\033[0m"
else
echo -e "Directory Usage ($idirectory):\t\t\t\t \033[1m$directoryusage\033[0m"
fi
done
sudo -l | grep 'virsh list' &> /dev/null
if [ $? -eq 0 ];then
sleep $sleeptime
virtual=`sudo virsh list | egrep [0-9] | wc -l`
echo -e "Number of Virtual Machines (Total):\t\t\t \033[1m$virtual\033[0m"
fi
sleep $sleeptime
user=`who | wc -l`
echo -e "Number of User Logins (Total):\t\t\t\t \033[1m$user\033[0m"
soft=`rpm -qa | wc -l`
echo -e "Number of Softwares (Total):\t\t\t\t \033[1m$soft\033[0m"
sleep $sleeptime
port=`sudo ss -ntulap | wc -l`
echo -e "Number of Open Ports (Total):\t\t\t\t \033[1m$port\033[0m"
which sar &> /dev/null
if [ $? -eq 0 ];then
networkcard=`ifconfig | awk -F: '/flags/&&!/lo/{print $1}'`
for inetworkcard in `echo $networkcard`
do
networkread="`sar -n DEV 1 1 | grep $inetworkcard | awk '/[0-9][0-9]:[0-9][0-9]/{print $3/1000}'` m/s"
networkwrite="`sar -n DEV 1 1 | grep $inetworkcard | awk '/[0-9][0-9]:[0-9][0-9]/{print $4/1000}'` m/s"
echo $inetworkcard | grep eth &> /dev/null
if [ $? -ne 0 ];then
echo -e "Network Card IO ($inetworkcard):\t\t\t\t \033[1m$networkread\033[0m (Read)\t\033[1m$networkwrite\033[0m (Write)"
else
echo -e "Network Card IO ($inetworkcard):\t\t\t\t\t \033[1m$networkread\033[0m (Read)\t\033[1m$networkwrite\033[0m (Write)"
fi
done
fi
which iostat &> /dev/null
if [ $? -eq 0 ];then
disk=`iostat -d -k 1 1 | awk '!/^$/&&!/Device/&&!/Linux/{print $1}'`
for idisk in `echo $disk`
do
sleep $sleeptime
diskread="`iostat -d -k 1 1 | grep $idisk | awk '{print $3/1000}'` m/s"
diskwrite="`iostat -d -k 1 1 | grep $idisk | awk '{print $4/1000}'` m/s"
echo $idisk | grep 'nvme' &> /dev/null
if [ $? -eq 0 ];then
echo -e "Disk IO (/dev/$idisk):\t\t\t\t\t \033[1m$diskread\033[0m (Read)\t\033[1m$diskwrite\033[0m (Write)"
else
echo -e "Disk IO (/dev/$idisk):\t\t\t\t\t \033[1m$diskread\033[0m (Read)\t\033[1m$diskwrite\033[0m (Write)"
fi
done
fi
echo -e "Complete Monitoring: \c"
for i in {1..91}
do
echo -e "#\c"
sleep 0.01
done
echo
sleep $sleeptime
let nowtime++
done
echo -e "Terminal Monitoring: \c"
for i in {1..91}
do
echo -e "#\c"
sleep 0.01
done
exit