mussh 是shell开发的一个小工具，pssh是python开发的一个用来批量管理linux主机的工具，现在我们来介绍mussh和pssh的使用方法。

   

先说下mussh，mussh 是shell开发的一个小工具，刚学习运维和shell的朋友可以拿来锻炼下，做个工具的二次开发。


[root@devops-ruifengyun ~ ]$ apt-get install mussh

正在读取软件包列表... 完成
正在分析软件包的依赖关系树       
正在读取状态信息... 完成       
下列软件包是自动安装的并且现在不需要了：
  kde-l10n-engb kde-l10n-zhcn libffi6:i386 libglib2.0-0:i386
  libsystemd-daemon0:i386 libudev1:i386 python-async python-git python-gitdb
  python-smmap
Use 'apt-get autoremove' to remove them.
下列【新】软件包将被安装：
  mussh
升级了 0 个软件包，新安装了 1 个软件包，要卸载 0 个软件包，有 205 个软件包未被升级。
需要下载 14.4 kB 的软件包。
解压缩后会消耗掉 71.7 kB 的额外空间。
获取：1 http://mirrors.oschina.net/ubuntu/ saucy/universe mussh all 1.0-1 [14.4 kB]
下载 14.4 kB，耗时 0秒 (30.3 kB/s)
Selecting previously unselected package mussh.
(正在读取数据库 ... 系统当前共安装有 234998 个文件和目录。)
正在解压缩 mussh (从 .../archives/mussh_1.0-1_all.deb) ...
正在处理用于 man-db 的触发器...
正在设置 mussh (1.0-1) ...
[root@devops-ruifengyun ~ ]$



mussh的帮助，会看到他的帮助相当的简单。

 代码如下   [root@devops-ruifengyun ~ ]$ mussh --help
Usage: mussh [OPTIONS] <-h host.. | -H hostfile> [-c cmd] [-C scriptfile]
mussh --help        for full help text
 
Send a command or list of commands to multiple hosts.
 
OPTIONS:
        --help          This text.
        -d [n]          Verbose debug.  Prints each action, all hosts
                        and commands to be executed to STDERR.  'n' can
                        be from 0 to 2.
        -v [n]          Ssh debug levels.  Can be from 0 to 3.
        -m [n]          Run concurrently on 'n' hosts at a time (asynchronous).
                        Use '0' (zero) for infinite. (default if -m)
        -q              No output unless necessary. 
        -i <identity> [identity ..]
                        Load an identity file.  May be used
                        more than once.
        -o <ssh-args>   Args to pass to ssh with -o option.
        -a              Force loading ssh-agent.
        -A              Do NOT load ssh-agent.
        -b              Print each hosts' output in a block without mingling
                        with other hosts' output.
        -B              Allow hosts' output to mingle. (default)
        -u              Unique.  Eliminate duplicate hosts. (default)
        -U              Do NOT make host list unique.
        -P              Do NOT fall back to passwords on any host.  This will
                        skip hosts where keys fail.
    -l <login>      Use 'login' when no other is specified with hostname.
    -L <login>      Force use of 'login' name on all hosts.
        -s <shell>      Path to shell on remote host. (Default: bash)
        -t <secs>       Timeout setting for each session.
                        (requires openssh 3.8 or newer)
        -V              Print version info and exit.
PROXY ARGS:
        -p [user@]<host>
                        Host to use as proxy.  (Must have mussh installed)
        -po <ssh-args>        Args to pass to ssh on proxy with -o option.
HOST ARGS:
        -h [user@]<host> [[user@]<host> ..]
                        Add a host to list of hosts.  May be
                        used more than once.
        -H <file> [file ..]
          &nb