How to open winrar files on Linux (Fedora/Ubuntu)

January 4, 2010 · Posted in Fedora, Open Office, Ubuntu, Unix · Comment 

I just downloaded .rar file. But i can’t open it under my Fedora operating systems. How to open it?

RAR is a proprietary compression format widely used today. By default, Fedora unable to open RAR files. So, you need to install a software called unrar.

How to install unrar on Fedora?

Just use yum command as follows : Read more

How to Change, set or change MySQL root Password

October 26, 2009 · Posted in Fedora, Open Source, Ubuntu, Unix, centos · Comment 

Once you installed MySQL, you might need to set the MySQL root password to protect your DB. Actually how to do that?

Just type the following command on your terminal

[root@techkaki] # mysqladmin -u root password NEWPASSWORD

However, if you want to change (or update) a root password, then you need to use following command

 [root@techkaki] # mysqladmin -u root -p 'oldpassword' password newpass

Eg:

[root@techkaki] # mysqladmin -u root -p 'abcdef' password '123456'

Problem with set static ip on ubuntu 8.10

August 11, 2009 · Posted in Ubuntu, Unix · Comment 

There is a bug with the Gnome Network Manger on Ubuntu 8.10. We have to set the static ip address manually. Once the system is reboot, it will reverting back to DHCP setup.

This problem can be solve by remove the Gnome Network Manager. To remove the Gnome Network Manager, use the following command in the terminal: Read more

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