shell脚本实现同时多台远程主机执行命令的代码分享_linux shell_

 ssh-copy-id [-i [identity_file]] [user@]machine

 #!/bin/bash # ------------------------------------------------------------------------------- # Author: Loya.Chen # Description: Execute commands on multiple remote hosts at the same time. # ------------------------------------------------------------------------------- set -e Usage() { echo "Usage: $0 host1 host2 ... 'command'" } if [ $# -lt 2 ] ;then Usage exit 0 else cmd=${!#} fi logfile=$(mktemp) i=1 success=0 failed=0 for ip in $@;do if [ $i -eq $# ];then break fi ssh $ip $cmd &> $logfile if [ $? -eq 0 ];then #((success++)) success=$(($success+1)) echo -e "\n\033[32m$ip | success \033[0m \n" cat $logfile else ((failed++)) echo -e "\n\033[31m$ip | failed \033[0m\n " cat $logfile fi ((i++)) done echo -e '\n-------------------------' echo -e "\033[32msuccess: $success | failed: $failed \033[0m" echo '-------------------------'

 $ bash vssh 10.0.0.11 10.0.0.12 'free -m' 10.0.0.11 | success total used free shared buffers cached Mem: 2871 156 2715 0 8 36 -/+ buffers/cache: 111 2760 Swap: 2047 0 2047 10.0.0.12 | success total used free shared buffers cached Mem: 980 615 365 0 12 69 -/+ buffers/cache: 533 447 Swap: 2047 0 2047 ------------------------- success: 2 | failed: 0 -------------------------