How can I install all the security updates?

Sat Feb 26 13:45:59 UTC 2005

On Sat, 26 Feb 2005 17:00:02 +0330, Behrang Saeedzadeh
<behrangsa at gmail.com> wrote:
> Hi all
> 
> I've added some other repositories to my apt sources. Now I only want
> to update the latest security patches? What do I have to do?

Meaning that you want to temporarily disable the other repositories?
Probably the fastest way is to (carefully -- make a copy first) edit
/etc/apt/sources-list and put # in front of every line that begins
with deb except for the one that points to security.ubuntu.com.

-Eamonn