Fix – Ubuntu 13.04 background is white and no wallpaper

27. April 2013 SysAdmin 0
Today, I have upgraded my Ubuntu to the latest release 13.04. After upgrading when i logged in  my wallpaper Just flashed and the desktop turned to White in Color. Here is how i fixed and get my wall paper back. Steps 1. Install gnome-tweak-tool by running the following from a terminal, sudo apt-get install gnome-tweak-tool ...

Yum – [Errno -3] Error performing checksum

26. April 2013 SysAdmin 0
I was recently assigned to setup satellite server for RHEL and Oracle Linux for a Bank so that they can do the updates loally without connecting to the Internet. The Red Hat satellite server installation was very smooth because Red Hat keeps an up to date version of their Knowledge Base. But with the Oracle ...

Yum – [Errno -3] Error performing checksum

26. April 2013 SysAdmin 0
I was recently assigned to setup satellite server for RHEL and Oracle Linux for a Bank so that they can do the updates loally without connecting to the Internet. The Red Hat satellite server installation was very smooth because Red Hat keeps an up to date version of their Knowledge Base. But with the Oracle ...

Ubuntu is not a Linux Distribution anymore !!!

21. April 2013 SysAdmin 0
Ubuntu is not a Linux Distribution anymore !!! Yes, Its the reality. Canonical Just removed the word “Linux” from their website. Now Ubuntu is an entirely different OS  not just a linux distro. I was going through the usual weekend Googling. Just found somewhere that the canonical removed the work “Linux” from their website !!! ...

FREE cloud Backup / Sync solutions

20. April 2013 SysAdmin 0
There a re a number of FREE services which offers Cloud backup / Sync solution for a normal desktop users. 1. ## [DropBox ](http://www.dropbox.com) Dropox is very famous now a days. The free account gives 2 GB space and there are client application for easy file uploading and syncing. Supported Platforms :  [Windows](https://www.dropbox.com/downloading?os=win), [Mac](https://www.dropbox.com/downloading?os=mac), [Linux](https://www.dropbox.com/downloading?os=lnx), and [Mobile](https://www.dropbox.com/mobile) Linux ...

Red Hat, CentOS or Oracle Linux !!!

08. April 2013 SysAdmin 0
Red Hat, CentOS or Oracle Linux !!!
Well… many Enterprise System Administrators asked me, which Linux OS should I use for my Linux environment !!! Red Hat Enterprise Linux (RHEL), Community ENTerprise OS (CentOS) or the Oracle Enterprise Linux (OEL). Let’s see how these Operating Systems are developed and what are the main features you should consider before selecting one! RHEL – ...

Ubuntu: A Beginner’s Guide

29. March 2013 SysAdmin 0
Found an interesting Ubuntu Beginner’s guide from MakeUseOf.com, Very Easy and helpful guide for those who wants to know about the much famous OS Ubuntu.   [![Ubuntu A Beginner’s Guide](https://res.cloudinary.com/jobnix/image/upload/h_1024,w_724/v1415999647/ubuntu_cover_o1ouux.jpg)](http://manuals.makeuseof.com.s3.amazonaws.com/for-mobile/Ubuntu_Beginners_Guide_-_MakeUseOf.com.pdf)   **[Download Link](http://manuals.makeuseof.com.s3.amazonaws.com/for-mobile/Ubuntu_Beginners_Guide_-_MakeUseOf.com.pdf) (Right Click and choose “Save Link As” to download)**       **Courtesy ** Loo, [http://courtneyloo.wordpress.com/](http://courtneyloo.wordpress.com/) Edited by Justin Pot. [http://www.makeuseof.com/](http://www.makeuseof.com/)

Ubuntu: A Beginner’s Guide

29. March 2013 SysAdmin 0
Found an interesting Ubuntu Beginner’s guide from MakeUseOf.com, Very Easy and helpful guide for those who wants to know about the much famous OS Ubuntu.   [![Ubuntu A Beginner’s Guide](https://res.cloudinary.com/jobnix/image/upload/h_1024,w_724/v1415999647/ubuntu_cover_o1ouux.jpg)](http://manuals.makeuseof.com.s3.amazonaws.com/for-mobile/Ubuntu_Beginners_Guide_-_MakeUseOf.com.pdf)   **[Download Link](http://manuals.makeuseof.com.s3.amazonaws.com/for-mobile/Ubuntu_Beginners_Guide_-_MakeUseOf.com.pdf) (Right Click and choose “Save Link As” to download)**       **Courtesy ** Loo, [http://courtneyloo.wordpress.com/](http://courtneyloo.wordpress.com/) Edited by Justin Pot. [http://www.makeuseof.com/](http://www.makeuseof.com/)

IP address range for BlackBerry BIS servers

13. March 2013 SysAdmin 0
Do you know that Blackberry uses their own BIS servers to provide email facility to blackberry mobile users ? Yes, When you access any email server from you BlackBerry mobile, The request is originating from the Blackberry BIS server IP, and not from your Public IP. So, To provide proper communication between the BlackBerry Internet ...