pssh安装

[root@java3g ~]# wget http://peak.telecommunity.com/dist/ez_setup.py

[root@java3g ~]# python ez_setup.py

[root@java3g ~]# wget http://parallel-ssh.googlecode.com/files/pssh-2.2.2.tar.gz

[root@java3g ~]# tar zxvf pssh-2.2.2.tar.gz

[root@java3g ~]# cd pssh-2.2.2

[root@java3g pssh-2.2.2]# python setup.py install