1. 添加主機(jī)列表，hosts文件的內(nèi)容：
   <pre>servers=(ali-cache ali-web1 ali-web2 ali-web3 ali-web4 ali-web5 ali-web6 ali-web7 ali-web8)</pre>
2. 發(fā)布代碼到多臺(tái)服務(wù)器
   <pre>
   source hosts
   for server in ${servers[@]}; do
   echo "-------------------${server}-------------------"
   scp -r $1 ${server}:$2
   done
   </pre>
3. 在多臺(tái)服務(wù)器上執(zhí)行相同命令
   <pre> #!/usr/bin/env bash

source hosts
for server in ${servers[@]}; do
echo "-------------------${server}-------------------"
ssh $server "$1"
done</pre>

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