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例如查询某进程的pid命令如下- x( c4 J3 ~, H0 D, c$ k( s5 ?
ps -ef | grep libvirtd | grep -w '/usr/sbin/libvirtd' | grep -v 'grep' | awk '{print $2}'& h+ k! i. s1 c# Y4 b- w
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现在需要登录一台主机后台去获取另外一台主机的该进程的id,发现输出如下,返回不了想要的pid. K! ~7 f: F+ Z( C2 v
ssh $ip "ps -ef | grep libvirtd | grep -w '/usr/sbin/libvirtd' | grep -v 'grep' | awk '{print $2}'"3 G. b. k" v* m; | g4 K4 j
Authorized users only. All activity may be monitored and reported: @# q. S$ \1 k6 t, V/ ~
root 65435 1 0 10:59 ? 00:01:41 /usr/sbin/libvirtd -d
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