[root@ceph1 ~]# ansible all -a "echo 'hello'"
ceph3 | CHANGED | rc=0 >>
hello
ceph2 | CHANGED | rc=0 >>
hello
[root@ceph1 ~]# ansible all -m shell -a "ps -aux | grep 5000"
ceph3 | CHANGED | rc=0 >>
root 538 0.0 0.0 45000 1856 ? Ss 9月11 0:00 /usr/lib/systemd/systemd-udevd
root 22712 0.0 0.0 113280 1204 pts/0 S+ 11:44 0:00 /bin/sh -c ps -aux | grep 5000
root 22714 0.0 0.0 112828 960 pts/0 S+ 11:44 0:00 grep 5000
ceph2 | CHANGED | rc=0 >>
root 542 0.0 0.0 45000 1860 ? Ss 9月11 0:00 /usr/lib/systemd/systemd-udevd
root 24971 0.0 0.0 113280 1204 pts/0 S+ 11:44 0:00 /bin/sh -c ps -aux | grep 5000
root 24973 0.0 0.0 112828 956 pts/0 S+ 11:44 0:00 grep 5000
END
