How to Fix "Xlib: No protocol specified"

While installing Oracle database I was getting this error. I searched various blogs and forums and found out many solutions but lastly I got one solution which worked for me. But well I will post

Oracle database 10gR2 installation in RedHat 5.4

In this post I'll show you the steps required to install Oracle Database 10g Release 2 on Red Hat Enterprise Linux 5.4 (64-bit) Assuming you have downloaded Oracle Database 10g R2 from their official website.

Samba 4.1 as Active Directory configuration guide

  I have written one more article with the steps to configure FreeIPA server and client which can also act as an alternate to Microsoft Active Directory. And since FreeIPA is a GUI based, it can be

Understanding RPM package

All of us install multiple rpms while working on our Linux machines. But do you look at the rpm file and ever wonder what does those i586, i686 or any other used similar attributes mean?