同時管理多個Linux機器的工具：Slex

Slex就一個go語言寫的同時管理多個Linux機器的工具，可以在多個主機上通過SSH執行命令，類似Python的Fabric，go方便的是編譯成一個可執行文件就搞定了。

slex -h
NAME:
   slex - SSH commands multiplexed

USAGE:
   slex [global options] command [command options] [arguments...]
VERSION:
   1
AUTHOR:
  @crosbymichael - <crosbymichael@gmail.com>
COMMANDS:
   help, h      Shows a list of commands or help for one command
GLOBAL OPTIONS:
   --debug                              enable debug output for the logs
   --host '--host option --host option' SSH host address
   --user, -u 'root'                    user to execute the command as
   --identity, -i 'id_rsa'              SSH identity to use for connecting to the host
   --agent, -A                          use ssh agent forwarding for authentication, rather than identity
   --help, -h                           show help
   --version, -v                        print the version</pre>

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