利用ansible modules模块来自定义集群管理
$ ansible web -m command -a "ps aux|grep nginx"10.150.145.53 | FAILED | rc=1 >>
ERROR: Unsupported option (BSD syntax)
********* simple selection ****************** selection by list *********
-A all processes -C by command name
-N negate selection -G by real group ID (supports names)
-a all w/ tty except session leaders-U by real user ID (supports names)
-d all except session leaders -g by session OR by effective group name
-e all processes -p by process ID
Tall processes on this terminal -s processes in the sessions given
aall w/ tty, including other users-t by tty
gOBSOLETE -- DO NOT USE -u by effective user ID (supports names)
ronly running processes Uprocesses for specified users
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