gistfile1.txt

$ ssh wikimedia.altiscale
Last login: Wed Jan 14 17:02:27 2015 from 10.252.17.5
        _   _   _                    _
       | | | | (_)                  | |
  __ _ | |_| |_ _  ___   ___   __ _ | |  ___
 / _` || |_   _| |/ __| / __| / _` || | / _ \
| (_| || | | | | |\__ \| (__ | (_| || ||  __/
 \__,_||_| |_| |_||___/ \___| \__,_||_| \___|

[halfak@desktop-wikimedia ~]$ df -h 
Filesystem      Size  Used Avail Use% Mounted on
/dev/xvda1      9.8G  3.5G  5.8G  38% /
none            1.9G     0  1.9G   0% /dev/shm
/dev/xvdh        20G   49M   19G   1% /home
/dev/xvdi        20G   74M   19G   1% /service
/dev/xvdb        15G   51M   15G   1% /tmp
/dev/xvdc        15G   39M   15G   1% /mnt/ephemeral1
localhost:/     198T  1.2G  198T   1% /hdfs
[halfak@desktop-wikimedia ~]$ ls
[halfak@desktop-wikimedia ~]$ cd /hdfs/user/halfak/
[halfak@desktop-wikimedia halfak]$ touch foo
[halfak@desktop-wikimedia halfak]$ ls -al
total 2
drwxr-xr-x  4 halfak users 128 Jan 14 17:16 .
drwxr-xr-x 10 hdfs   hdfs  320 Jan 14 02:14 ..
-rw-r--r--  1 halfak users   0 Jan 14 17:16 foo
drwxr-xr-x  2 halfak users  64 Jan 14 17:04 streaming

Host wikimedia.altiscale
    IdentityFile /home/halfak/id_rsa_altiscale
    ProxyCommand ssh -a -W %h:%p bast1001.wikimedia.org