安装polysh
wget http://guichaz.free.fr/polysh/files/polysh-0.4.tar.gz tar -zxvf polysh-0.4.tar.gz cd polysh-0.4 sudo python setup.py install
使用polysh
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Usage: /usr/bin/polysh [OPTIONS] HOSTS... Control commands are prefixed by ":". Use :help for the list Options: --version show program's version number and exit -h, --help show this help message and exit --hosts-file=FILE read hostnames from given file, one per line --command=CMD command to execute on the remote shells --ssh=SSH ssh command to use [exec ssh -oLogLevel=Quiet -t %(host)s exec bash --noprofile] --user=USER remote user to log in as --no-color disable colored hostnames [enabled] --password-file=FILE read a password from the specified file. - is the tty. --log-file=LOG_FILE file to log each machine conversation [none] --abort-errors abort if some shell fails to initialize [ignore] --debug print debugging information |
创建一个host列表文件host.list，每一行为一个hostname或IP：
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localhost localhost.localdomain localhost4 localhost4.localdomain4 node0003.nemongo.com |
执行：polysh --user=root --hosts-file=host.list，当全部连接OK的时候，会提示一个ready (5)> ，这里的数字是host的个数。
注意：登录的之前如果不想输入密码，可以预先配置好SSH无密码登录。
为了可以方便的使用shell脚本自动批量运行命令，可以加上参数--command，指定需要执行的命令：
本文出自 “烟花易冷” 博客，请务必保留此出处http://yuanhuan.blog.51cto.com/3367116/1650874