ubuntu pills

To make apt suite work with a proxy :

1. gksudo gedit /etc/apt/apt.conf


2. Add this line to your /etc/apt/apt.conf file (substitute your details for yourproxyaddress and proxyport).

3. Acquire::http::Proxy "http://yourproxyaddress:proxyport";

# to search a package 

sudo apt-cache search countdown

# You want to  autologin in machine B from A.

The underlying concept is  put my public key in someone else's house. 

1.  first generate a pair of public/private key on host A:

[host A]$ ssh-keygen -t rsa

2. Put your newly generated key in host B: 

[host B] $ emacs -nw .ssh/authorized_keys