ash - is very simple wriper for standart ssh-client.
Config path:
.ssh/aconfig
Config example:
[myhost1]
hostname: 192.168.1.4
user: user1
run_after: sudo su -
Example command:
$ ash myhost1
Connect to host2 over host1:
$ ash host1 host2
$ sudo easy_install pip
$ pip install configparser