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需求:查看多臺機器看多個系統(tǒng)CPU,指定的進程CPU,主備機狀態(tài),內(nèi)存使用情況;并在一臺機器上顯示;
第一:先設置ssh免密碼登錄
ssh-keygen -t rsa P'' -f ~/.ssh/id_rsa 不提示直接生成秘鑰
ssh-copy-id -i ~/.ssh/id_rsa.pub root@ip
第二:查詢腳本,分別拷貝到各個機器上
scp /usr/local/src/cpu_men.sh root@ip: /usr/local/src/
腳本內(nèi)容
#!/bin/bash
cpu=top -bn1|awk -F "[,:%]" '/Cpu/{print $2}'
men_total=free -m | grep Mem|awk '{print $2}'
men_used=free -m | grep Mem|awk '{print $3}'
men_av=awk 'BEGIN{printf"%.0f\n",('${men_used}'/'${men_total}')*100}'
num=ifconfig|awk '/eth.:./{print $1}'|wc -l
syseth="主"
[ ${num} -eq 0 ] && syseth="備"
IP=ifconfig|awk -F"[: ]+" 'NR==2{print $4}'
pronum=ps aux|grep tdci|grep -Ev "$$|grep"|awk '{print $3}'|wc -l
procpu=ps aux|grep tdci|grep -Ev "$$|grep"|awk '{print $3}'|xargs
#awk 'BEGIN{printf"%-20s%-10s%-10s%-10s%-20s\n","IP------------------","status---------","CPU%------","men%------","procpu%-----"}'
awk 'BEGIN{printf"%-20s%-13s%-12s%-10s","'${IP}'","'$syseth'","'"${cpu}"'",'"${men_av}"'}'
echo "$procpu (${pronum} "tdic")"
第三:總體查詢并在一臺主機顯示腳本:ssh_exec.sh
#!/bin/bash
awk 'BEGIN{printf"%-20s%-10s%-10s%-10s%-20s\n","IP------------------","status---------","CPU%------","men%------","procpu%-----"}'arry=(
192.168.50.5
192.168.50.6
192.168.50.9
)
for((i=0;i<${#arry[@]};i++))
br/>arry=(
192.168.50.5
192.168.50.6
192.168.50.9
)
for((i=0;i<${#arry[@]};i++))
ssh root@${arry[i]} "/bin/bash /usr/local/src/cpu_men.sh"
done
/bin/bash /usr/local/src/cpu_men.sh
執(zhí)行結(jié)果
> [root@INTSVR-B src]# sh ssh_exec.sh
> IP------------------status---------CPU%------men%------procpu%-----
> 192.168.50.5 備 3.6 10 1.3 0.5 (2 tdic)
> 192.168.50.6 主 8.4 12 24.8 2.4 (2 tdic)
> 192.168.50.9 主 4.5 30 0.7 (1 tdic)
> 192.168.5010 備 1.4 10 (0 tdic)
> [root@INTSVR-B src]#
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