ssh远程主机执行命令或脚本

[root@vps ~]# ssh user@192.168.9.243 "pwd; ls; rm -f Cent* ;echo --------; ls"
/home/user
anaconda-ks.cfg
Centos7.img
mwgt.tar.gz
--------
anaconda-ks.cfg
mwgt.tar.gz
[root@vps ~]#

[root@vps ~]# cat ssh.sh
pwd
ls
touch BBBB
ls
ls /root

[root@vps ~]# ssh user@192.168.9.243 < ssh.sh
Pseudo-terminal will not be allocated because stdin is not a terminal.
/home/user
anaconda-ks.cfg
mwgt.tar.gz
anaconda-ks.cfg
BBBB
mwgt.tar.gz
ls: cannot open directory /root: Permission denied
[root@vps ~]# ssh user@192.168.9.243 sudo bash -s  < ssh.sh
/home/user
anaconda-ks.cfg
mwgt.tar.gz
anaconda-ks.cfg
BBBB
mwgt.tar.gz
anaconda-ks.cfg
[root@vps ~]#

[root@vps ~]# cat ssh.sh
echo $0
echo $1
echo $#
[root@vps ~]# ssh user@192.168.9.243 ‘bash -s‘ < ssh.sh vps1
bash: vps1: command not found
[root@vps ~]# ssh user@vps1 ‘bash -s‘< ssh.sh vps1
bash
vps1
1
[root@vps ~]#