ubun2^beta

I want to get rid of nx group and nx user from my ubuntu machine. How to remove user and group from my ubuntu desktop?

I downloaded a rar file from the internet. When i tried to open using Archive Manager, it errored out saying rar file type is not supported. I checked 7Zip but couldn't find a install for it for ubuntu or linux. How to open rar format files in ubuntu? please help.

I want to manage my mysql using a web based interface and looking to install phpmyadmin. Please help installing and configuring it with my apache...

Recently upgraded from ubuntu 9.04 jaunty to 9.10 karmic koala. 9.10 ships with ext4 file system but i still notice that after the upgrade the partition still says as ext3. Looks like ext4 file system is more powerful and faster than ext3. Since i have already upgraded to 9.10, now how to change my partition from ext3 to ext4? Advance thanks for the help.

I was using kvpnc in ubuntu 9.04 jaunty. Looks like now ubuntu 9.10 ships with a vpn connection application and it supports cisco vpn as well. But when i try to add/import, i am seeing all the buttons in the VPN connections dialog is disabled. How to enable these buttons so that i can import my cisco vpn profile?

Ubuntu 9.04 had a way to change login window under System->Administration->Login Window. Now the feature is missing. All i can find is a Login Screen menuitem but it doesn't have any option to change the appearance of login window. I tried searching synaptics manager and still no luck.

How to fix this network error problem while connecting Empathy MSN using http method, pidgin was working great. Got this problem after upgrading to ubuntu 9.10 from jaunty...

How to upgrade to the newest version of ubuntu 9.10 karmic kaola?

I am looking for help to install ssh on my ubuntu jaunty 9.04 machine so that i can putty from my windows machine. please help