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社区首页 >专栏 >Linux nohup命令应用简介--让Linux的进程不受终端影响

Linux nohup命令应用简介--让Linux的进程不受终端影响

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授客
发布2019-09-11 20:35:36
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发布2019-09-11 20:35:36
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#开启ping进程

[root@localhost ~]# ping localhost &

[2] 4169

[1] Terminated nohup ping localhost

[root@localhost ~]# PING localhost (127.0.0.1) 56(84) bytes of data.

64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.105 ms

64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.069 ms

...

如图

#查看后台进程:

[root@localhost ~]# ps -axu | grep ping

Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.8/FAQ

root 4169 0.0 0.0 4392 792 pts/0 S 04:08 0:00 ping localhost

root 4177 0.0 0.0 4336 728 pts/1 S+ 04:10 0:00 grep ping

#关闭开启ping命令的终端,再次查看进程

[root@localhost ~]# ps -axu | grep ping

Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.8/FAQ

root 4184 0.0 0.0 4336 728 pts/1 S+ 04:13 0:00 grep ping

说明:进程结束

#加上nohup命令,让进程不受终端影响

[root@localhost ~]# nohup ping localhost &

[1] 4218

[root@localhost ~]# nohup: ignoring input and appending output to `nohup.out'

#查看后台进程

[root@localhost ~]# ps -axu | grep ping

Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.8/FAQ

root 4218 0.1 0.0 4392 792 pts/0 S 04:19 0:00 ping localhost

root 4224 0.0 0.0 4336 732 pts/1 S+ 04:20 0:00 grep ping

#关闭开启ping命令的中断,再次查看进程

[root@localhost ~]# ps -axu | grep ping

Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.8/FAQ

root 4218 0.0 0.0 4392 792 ? S 04:19 0:00 ping localhost

root 4229 0.0 0.0 4336 728 pts/1 S+ 04:21 0:00 grep ping

说明:进程依然还在

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原始发表:2014-11-19 ,如有侵权请联系 cloudcommunity@tencent.com 删除

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