shell 批量在远端主机上执行命令

echo "start xcall shell !"


default_ssh_user="hadoop"
default_ssh_password="hadoop123#"
default_ssh_port="22"

port=$default_ssh_port
scpuser=$default_ssh_user

#echo ==================master $@==================
#$@

slave=$1
cmd=$2
echo "==================$slave $cmd=================="
cat $slave | while read line
do
   host_ip=`echo $line | awk '{print $1}'`
   echo ==================$host_ip $cmd==================
   chown="ssh -n -p $default_ssh_port $scpuser@$host_ip $cmd"
   echo $chown
   $chown
done

vi slave

hadoop001
hadoop002

例如：sh xcall.sh slave "jps"  

$1为 需要执行的主机名列表

$2为远端主机需要执行的命令。