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Howto: Configure Linux Warnquota for Fedora / Ubuntu / RHEL / CentOS

Hello,

In Linux, Most of the People Implement User Quota and Group Quota on Linux and The Might want to send e-mail warnings to the User by e-mail.

It Becomes very Important when the Mail Server is Running and You have implemented Disk Quota / User Quota / Group Quota for Users, So Its the First Basic requirement that We have to inform Users on Their Quota Usage at the Limit which we have configured.

So I am writing this article for Those Who have implemented a Quota and Do not know How to configure quota warning by e-mail.

quota

 

 

1. quota / quota-warnquota package must be Installed.

To Confirm :-

On RHEL / CentOS :- [root@tejas-barot-linux-support ~]# rpm -qa | grep quota # Output should not be empty

On Ubuntu :- root@tejas-barot-linux-support:~# dpkg –list | grep quota # Output should not be empty

2. Partition / Device must be mounted with usrquota

On RHEL / CentOS / Ubuntu :- [root@tejas-barot-linux-support ~]#mount | grep quota # Output should not be empty

3. Quota Must be Enabled on Partition.

4. If Above command is giving you proper output then you are good to go for Further Configuration.

5. Now Open /etc/warnquota.conf and Modify Following values as per your requirement.

Enjoy Disk Quotas :) Enjoy WarnQuota :) Enjoy Linux :) Enjoy Open Source :)

   MAIL_CMD        = "/usr/sbin/sendmail -t"
   FROM            = "linuxsupport@tejasbarot.com"
   SUBJECT         = NOTE: Your mailbox has exceeded allocatted disk space limits
   CC_TO           = "ahmedabad@tejasbarot.com"
   SUPPORT         = "linuxblog@tejasbarot.com"
   PHONE           = "000 111-2222"
   MESSAGE         = Your mailbox has exceeded the allotted limit\
    on this server|Please delete any unnecessary email in your mailbox on:|
   SIGNATURE       = This message is automatically generated by the mail system.

Once you are done with Configuring this Parameters Save and Exit from File

Description of above Configurations :-

MAIL_CMD = Command which used to send an e-mail.

FROM = Which E-Mail ID it will display to Recipient.

SUBJECT = Subject line which you want to Mention for Warning e-mail.

CC_TO = On Which ID it will Send Carbon Copy of the Mail.

SUPPORT =  Email ID which you have to mentioned as Support or anybody else where it should inform too.

PHONE = Of-course It will be a Number which you want to display as your Contact Number.

MESSAGE = Detailed Message OR Instructions Which you want to Send to the User. In Short, Body of the Mail.

SIGNATURE = Text which you have to set as your Signature.

6. Once It is configured properly, then To Send E-mail to all those users who exceeded quota then Execute Following command :-

Execute Command To Send E-Mail to All Those Users / Groups who exceeded quota or Grace Limit :-

[root@tejas-barot-linux-support ~]# warnquota

Execute Command To Send E-Mail to Particular User who exceeded quota or Grace Limit :-

[root@tejas-barot-linux-support ~]# warnquota -u <user-name>

Execute Command To Send E-Mail to Particular Group who exceeded quota or Grace Limit :-

[root@tejas-barot-linux-support ~]# warnquota -g <user-name>

7. That’s IT. Warning for Quota is configured.

Hope this will helps you all, If you face any issue regarding the same or its not working for your some how then please raise your questions / issues at http://linuxforums.tejasbarot.com

If you like this then Please Click Google +1 Button and Show Your Support. Your Support will encourage me to write more articles.

Ask for Linux Commercial Support :- http://www.tejasbarot.com/linux-commercial-support/

All Linux User’s Blog Mobile Applications :- http://www.tejasbarot.com/download-mobile-apps/

Please Keep in Touch with Social Networking :- 

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Enjoy Disk Quotas :) Enjoy WarnQuota :) Enjoy Linux :) Enjoy Open Source :)

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Create your own high-performance NAS using GlusterFS

GlusterFS is used in environments where high performance, redundancy and reliability are of a premium. The best part is that it’s exceedingly easy to use

GlusterFS is a file system that is designed to provide network storage that can be made redundant, fault-tolerant and scalable. It’s particularly well suited to applications that require high-performance access to large files. With GlusterFS, you can have enterprise- or scientific-research-grade storage up and running in minutes, but it wouldn’t be our first choice for the type of simple file sharing that Samba or NFS are usually used for.

Although GlusterFS can do striping (chopping the files into parts), it isn’t the preferred approach. Typically, additional storage nodes, or ‘bricks’ as they are called, are used for either replicated (redundant) data or
for distributed storage that adds capacity and improves performance.

GlusterFS expects the clients to be running the FUSE (user-space) file system driver, but since version 3.x, GlusterFS automatically enables NFS access to the volumes. The built- in NFS server offers better performance when accessing lots of small files for applications such as web serving or a remote /home directory. Bear in mind, getting GlusterFS’s NFS working alongside existing NFS shares is outside the scope of this tutorial. The most amazing thing about GlusterFS is that it’s very simple to use and maintain, as we intend to show you here.

NAS
This tutorial will work with any of the major distributions

Resources

Multiple Linux boxes
A network
GlusterFS

Step by Step

Step 01

Set up the network

GlusterFS is at its best when connected to Gigabit Ethernet and a large array of servers and storage devices. However, a combination of two computers or even two VMs are sufficient when learning how to use GlusterFS.

Step 02

Become root

Become root by typing:

sudo -i

…on Ubuntu and derivatives. This saves having to type ‘sudo’ before every command. Use the ‘su’ command on other distros. Consider opening a terminal on another tab, for example, to carry out actions as a standard user.

Step 03

Install server

Compare version numbers between your distro and the website. If you manually install a newer server, you might have to update the clients as well. If your distro is offering a recent enough version, you can install by typing:

apt-get install glusterfs-server

Step 04

Switch to static IP

Open /etc/network/interfaces in a text editor. If present, remove the line:

iface eth0 inet dynamic

Add the lines

auto eth0
iface eth0 inet static
address 192.168.0.100
netmask 255.255.255.0
gateway 192.168.0.1
broadcast 192.168.0.255
network 192.168.0.0

adjusting the details for your network. Restart the machine and test the network.

Step 05

Adding and removing volumes

Use the following command:

gluster volume create testvol 192.168.0.100:/data

This creates a volume called ‘testvol’ that is stored on the server at 192.168.0.100. The files are located in a directory called /data in the root file system of the server, and this is what GlusterFS refers to as a brick. Then, type:

gluster volume start testvol

Type

gluster volume info

to verify that it works. You can remove this volume, later on, by typing:

gluster volume stop testvol

and then

gluster volume delete testvol

Step 06

Mount the volume locally

We’ll now mount the volume, locally, from the server itself. Create a mount point using:

mkdir /mnt/gluster

Use the command:

mount.glusterfs 192.168.0.100:/ testvol /mnt/glusterfs

to mount it. Type:

echo “It works” > /mnt/gluster/test. txt

…then browse to the mount point to check it works.

Step 07

Mount the volume remotely

On a client machine, install the GlusterFS client packages (sudo apt-get install glusterfs-client on Ubuntu). Create a mount point and mount the GlusterFS volume with:

mkdir /mnt/gluster

and then

sudo mount.glusterfs 192.168.0.100:/testvol /mnt/gluster

Step 08

Mount on startup

Make the mount permanent on any client machine by adding it to /etc/fstab.

As root, open /etc/fstab in a text editor, and add the line:

192.168.0.100:/testvol /mnt/gluster glusterfs defaults,_netdev 0 0

Step 09

Share over NFS

Recent versions of GlusterFS automatically enable NFS access to volumes. To make it work, you need to add the portmap package to the server. Then, you can mount the volume using NFS by adding a mount point:

sudo mkdir /mnt/nfsgluster

and then typing

sudo mount -t nfs 192.168.0.100:/ testvol /mnt/nfstest/ -o tcp,vers=3

To make a client mount the share on boot, add the details of the GlusterFS NFS share to /etc/fstab in the normal way. For our example, add the line:

192.168.0.100:7997:/testvol / mnt/nfstest nfs defaults,_netdev 0 0

Step 10

Add second server

Begin by setting up a new server, as shown in the earlier steps. Give the new server an IP address such as 192.168.0.101. Note that you can run these commands on any GlusterFS server. Type:

gluster peer probe 192.168.0.101

and then type

gluster peer status

to check the status of the new server.

Step 11

Edit hosts file

Admin can be carried out from any Gluster server, so add the servers to the hosts file of your admin machine if you prefer to work with names rather than IP addresses. For example, edit /etc/hosts with a text editor, and add a line such as 192.168.0.100 server1 for each server.

Step 12

Add storage volume (distributed)

Add a distributed volume to the system by typing:

gluster volume create test-volume 192.168.0.100:/storage1 192.168.0.101:/storage2

Note that on a setup like this, a single server becoming damaged or unavailable is going to lead to a major loss of files.

Step 13

Add storage volume (duplicated)

To create a duplicated volume, for redundancy, type:

gluster volume create test-volume replica 2 192.168.0.100:/storage1 192.168.0.101:/storage2

To create a volume that is both duplicated and distributed, type:

gluster volume create test-volume replica 2 192.168.0.100:/ storage1 192.168.0.101:/ storage2 192.168.0.100:/storage3 192.168.0.101:/storage4

The order in which the servers are specified ensures that each contains a brick and a copy of the other brick, an arrangement that maintains redundancy if either server fails or becomes unavailable.

Step 14

Authorise clients

By default, any client can connect to a GlusterFS server. However, you can limit access using the command:

gluster volume set testvol auth. allow [list of addresses]

Note that this command supports the use of wildcards to authorise a range. You might find it more convenient to locate the configuration file for the volume in /etc/glusterd/vols/[name of volume]/. Open the file up in a text editor and scroll down to ‘option auth.addr./data.allow’. Replace the asterisk with a list or range of authorised client IP addresses.

Step 15

Adding and removing bricks

You can add extra bricks on the fly, but they must be in multiples of the existing storage. For example, if you have a duplicated storage volume, you must add two bricks to expand it. Use:

gluster volume add-brick testvol 192.168.0.100:/media/storage/extra

…to add an extra brick. New bricks are empty when they are first added, so they need to be rebalanced with this command:

gluster volume rebalance testvol start

You can remove bricks with a command like this:

gluster volume remove-brick testvol 192.168.0.100:/storage4

Note that the information stored on the brick will become inaccessible, but the data is not deleted.

Step 16

Examine the log directory

By default, GlusterFS stores its logs under /var/log/ and they are comprehensive. You can change the log directory for a volume with the command:

gluster volume log [directory]

…and you can locate the logs associated with a volume using:

gluster volume log locate [name of log]

Step 17

Add striped volumes

Striping, chopping files up and distributing them is possible but not the preferred option. If you have a use case that will benefit from this approach, use the following command:

gluster volume create striped-volume stripe 2 192.168.0.100:/storage1 192.168.0.101:/storage2

Step 18

Preparing a storage drive

You may like to prepare a blank storage drive for GlusterFS bricks. Ext4 and ext3 are supported along with XFS. Which one you choose depends on your requirements and your experience with each, but the consensus is that the advantages of XFS only start to come to the fore under huge loads and enormous storage spaces.

Step 19

Examine the storage

The easiest way to check on your mounted storage is with the df -h command. gluster volume info lists all mounted and active volumes and the bricks that they are composed of. You can examine the bricks and their contents by browsing the directories normally.

Original Link :- http://www.linuxuser.co.uk/tutorials/create-your-own-high-performance-nas-using-glusterfs

 

Hope this will helps you all, If you face any issue regarding the same or its not working for your some how then please raise your questions / issues at http://linuxforums.tejasbarot.com

If you like this then Please Click Google +1 Button and Show Your Support. Your Support will encourage me to write more articles.

Ask for Linux Commercial Support :- http://www.tejasbarot.com/linux-commercial-support/

All Linux User’s Blog Mobile Applications :- http://www.tejasbarot.com/download-mobile-apps/

Please Keep in Touch with Social Networking :- 

Facebook :- https://www.facebook.com/tejasbarot.official

Facebook Page :- https://www.facebook.com/AllLinuxUsersBlog

Twitter :- https://www.twitter.com/imtejasbarot

LinkedIn :- http://in.linkedin.com/in/imtejasbarot

Enjoy GlusterFS :) Enjoy Linux :) Enjoy Open Source :)

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Linux TOP command explained

Dear all,

Following article is basic and It is very Important to Understand for the people who working on Linux.

I have gone through the Article and Found it very useful and very informative, So posting here with Original link Mentioned below.

You can check the Video at the End.

Thanks to the Original author for writing so Beautifully.

Top Command

v

Top command options:

Line1: Gives System present time, up time of the machine, number of users logged in, Load average on system at 1, 5, 15 min interval. Please ignore the values which I mention in the video, which mention load average as 5,10 and 15mins.

Line2: Gives total number of process on the machine, number of running process, number of sleeping process, number of stopped process, number of Zombie process.

Line3: Gives you CPU details

Line4 &  5: Gives RAM and SWAP details.

Line6: To execute top command shortcuts(See below for the list of top command shortcuts ).

From Line7: dynamically displayed top process results.

 top commands shortcuts:

Note: Press below shortcuts at the time of running top command.

l –To display or to hide load average line
t –To display or to hide task/cpu line
1 –To display or hide all other CPU’s
m –to display or to hide RAM and SWAP details
s –To change the time interval for updating top results(value is in sec’s)
R –To sort by PID number
u — Press u then username to get only that user process details
P –To sort by CPU utilization
M –To sort by RAM utilization
c –To display or hide command full path
r –To renice a process, press r then the PID no then the renice value to renice a process.
k –To kill a process, press k then PID number then enter to kill a process
w –To save the modified configuration permanently.
q –To quit the top command.
h –for getting help on top command

Watch the Video :-

Original Link :- http://www.linuxnix.com/2011/08/linux-top-command-explained-2.html

Hope this will helps you all, If you face any issue regarding the same or its not working for your some how then please raise your questions / issues at http://linuxforums.tejasbarot.com

If you like this then Please Click Google +1 Button and Show Your Support. Your Support will encourage me to write more articles.

Ask for Linux Commercial Support :- http://www.tejasbarot.com/linux-commercial-support/

All Linux User’s Blog Mobile Applications :- http://www.tejasbarot.com/download-mobile-apps/

Please Keep in Touch with Social Networking :- 

Facebook :- https://www.facebook.com/tejasbarot.official

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LinkedIn :- http://in.linkedin.com/in/imtejasbarot
Enjoy the System Monitoring :) Enjoy the Linux :) Enjoy the Open Source :)

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Upgrade from Ubuntu 12.10 to Ubuntu 13.04

Hello,

Ubuntu 13.04 Raring Ringtail Final Version released and Now It is available for Download.

To Download Ubuntu 13.04 Raring Ringtail I have already Posted the Links in previous post. So You can download the Version which you want to.

Now most of the Users wants to Upgrade from 12.10 to 13.04 without Formatting or Complete Re-installation Ubuntu. So This post is for them to Upgrade Ubuntu from 12.10 to Ubuntu 13.04

Upgrade from 12.10 to 13.04

Upgrade from 12.10 to 13.04

Perform following steps to Upgrade Ubuntu to Latest Version :-

Upgrading from Ubuntu 12.10

To upgrade from Ubuntu 12.10 on a desktop system:

  • Open Software Sources.
  • Press Alt+F2 and type in “update-manager” (without the quotes) into the command box.
  • Update Manager should open up and tell you: New distribution release ’13.04′ is available.
  • Click Upgrade and follow the on-screen instructions.

To upgrade from Ubuntu 12.10 on a server system:

  • Install the update-manager-core package if it is not already installed.
  • Launch the upgrade tool with the command sudo do-release-upgrade.
  • Follow the on-screen instructions.

Note that the server upgrade will use GNU screen and automatically re-attach in case of e.g. dropped connection problems.

Offline upgrade options via alternate CDs are no longer offered for Ubuntu Desktop and Ubuntu Server. Please ensure you have network connectivity to one of the official mirrors or to a locally accessible mirror and follow the instructions above.

 

Upgrading from other releases

Users of other Ubuntu releases need to upgrade first to 12.10, and then to 13.04.

For further information on upgrading to 12.10, please see its upgrade instructions.

Reference Link :- https://wiki.ubuntu.com/RaringRingtail/ReleaseNotes?action=show&redirect=RaringRingtail%2FTechnicalOverview

 

Hope this will helps you all, If you face any issue regarding the same or its not working for your some how then please raise your questions / issues at http://linuxforums.tejasbarot.com

If you like this then Please Click Google +1 Button and Show Your Support. Your Support will encourage me to write more articles.

Ask for Linux Commercial Support :- http://www.tejasbarot.com/linux-commercial-support/

All Linux User’s Blog Mobile Applications :- http://www.tejasbarot.com/download-mobile-apps/

Please Keep in Touch with Social Networking :- 

Facebook :- https://www.facebook.com/tejasbarot.official

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LinkedIn :- http://in.linkedin.com/in/imtejasbarot

Enjoy Ubuntu 13.04 Raring Ringtail :) Enjoy Linux :) Enjoy Open Source :)

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Download Ubuntu 13.04 Raring Ringtail Final ISO / CD / DVD / x86_64 / 32-Bit / MAC

Hello,

This post will contain links for Downloading Ubuntu 13.04 Raring Ringtail for Final.

My Current Ride with Ubuntu 12.10 is going fantstically smooth and As we all expect that New Release comes with great expectations, I just wish this 13.04 will be the huge success and most important a very less buggy same like 12.04 LTS.

ubuntu1304
Ubuntu 13.04 Raring Ringtail

Once you download and use this Ubuntu 13.04 Raring Ringtail then please do not forget to post comments on your experience.

Now Ubuntu 13.04 Raring Ringtail is now available to download in Final.

Ubuntu 13.04 Final ISO is available for Download in 32-Bit (i386 ) and X86_64 ( 64-Bit) Versions.

You can go through this link and Download Ubuntu 13.04 Raring Ringtail Final  :-

Download Ubuntu 13.04 Raring Ringtail 32-Bit ( i386) :- http://releases.ubuntu.com/raring/ubuntu-13.04-desktop-i386.iso

Download Ubuntu 13.04 Raring Ringtail X86_64 ( 64-Bit) :- http://releases.ubuntu.com/raring/ubuntu-13.04-desktop-amd64.iso

Download Ubuntu 13.04 Raring Ringtail Server Edition 32-Bit ( i386) :- http://releases.ubuntu.com/raring/ubuntu-13.04-server-i386.iso

Download Ubuntu 13.04 Raring Ringtail Server Edition X86_64 ( 64-Bit) :- http://releases.ubuntu.com/raring/ubuntu-13.04-server-amd64.iso

Download Ubuntu 13.04 Raring Ringtail For Mac Desktop :- http://releases.ubuntu.com/raring/ubuntu-13.04-desktop-amd64+mac.iso

Download Ubuntu 13.04 Raring Ringtail For Mac Servers :- http://releases.ubuntu.com/raring/ubuntu-13.04-server-amd64+mac.iso

Hope this will helps you all, If you face any issue regarding the same or its not working for your some how then please raise your questions / issues at http://linuxforums.tejasbarot.com

If you like this then Please Click Google +1 Button and Show Your Support. Your Support will encourage me to write more articles.

Ask for Linux Commercial Support :- http://www.tejasbarot.com/linux-commercial-support/

All Linux User’s Blog Mobile Applications :- http://www.tejasbarot.com/download-mobile-apps/

Please Keep in Touch with Social Networking :- 

Facebook :- https://www.facebook.com/tejasbarot.official

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LinkedIn :- http://in.linkedin.com/in/imtejasbarot

Enjoy Ubuntu 13.04 Raring Ringtail    Enjoy Linux   Enjoy Open Source 

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Install arno firewall with psad – iptables on steroids

Install arno firewall with psad - iptables on steroids

Overview

arno an IPTABLES Firewall Script is a secure stateful firewall for both single and multi-homed machines. psad is a collection of three lightweight system daemons (two main daemons and one helper daemon) that run on Linux machines and analyze iptables log messages to detect port scans and other suspicious traffic. This post is about setting arno firwall with psad

Install arno firewall with psad – iptables on steroids

Download and install argo firewall.


# wget http://rocky.eld.leidenuniv.nl/arno-iptables-firewall/arno-iptables-firewall_2.0.1d.tar.gz
# tar zxvf arno-iptables-firewall_2.0.1d.tar.gz
# cd arno-iptables-firewall_2.0.1d
# ./install.sh

arno01 300x176 Install arno firewall with psad   iptables on steroids

Open the firewall.conf and uncomment Line 501


# vi /etc/arno-iptables-firewall/firewall.conf
FIREWALL_LOG="/var/log/firewall.log"

Next open the rsyslog.conf if on CentOS/RHEL 6 or syslog.conf on CentOS/RHEL 5


# vi /etc/rsyslog.conf

Append the following the lines to it


# Log all the iptables messages in one place.
kern.* -/var/log/firewall.log

Next download and install psad


# wget http://cipherdyne.org/psad/download/psad-2.2.tar.gz
# cd psad-2.2
# ./install.pl

Open ths psad.conf file in an editor of choice


# vi /etc/psad/psad.conf

Set the IPT_SYSLOG_FILE value on line 144 and set AUTO IDS to Y on line 325


IPT_SYSLOG_FILE /var/log/firewall.log;
ENABLE_AUTO_IDS Y;

Start the psad service


# /etc/init.d/psad start

Login to a different machine and run a nmap scan to test our installation

 

# nmap -PT80 192.168.209.148

An alert has been sent to the email address provided.
psad04 300x176 Install arno firewall with psad   iptables on steroids

psad02 300x176 Install arno firewall with psad   iptables on steroids

 

Original Link :- http://linuxdrops.com/install-arno-firewall-with-psad-iptables-on-steroids/

Hope this will helps you all, If you face any issue regarding the same or its not working for your some how then please raise your questions / issues at http://linuxforums.tejasbarot.com

If you like this then Please Click Google +1 Button and Show Your Support. Your Support will encourage me to write more articles.

Ask for Linux Commercial Support :- http://www.tejasbarot.com/linux-commercial-support/

All Linux User’s Blog Mobile Applications :- http://www.tejasbarot.com/download-mobile-apps/

Please Keep in Touch with Social Networking :- 

Facebook :- https://www.facebook.com/tejasbarot.official

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Enjoy iptables :) Enjoy PSAD :) Enjoy Linux :) Enjoy Open Source :)

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Ubuntu 13.04: GNOME vs Unity User Interface Update

Even as Canonical forges ahead to make Unity the basis of Ubuntu for PCs, phones, tablets and TVs, Linux backer is once again officially supporting GNOME.

Ubuntu 13.04 will support both GNOME and Unity interfaces.

Ubuntu 13.04, which debuts next week, will have an official GNOME version. That news slipped under the radar for most folks, but it should please some Linux desktop users who don’t like Canonical’s Unity interface. And it could also impact Canonical’s big aspirations of “Ubuntu convergence” across all devices offered by channel partners.

When Unity first replaced GNOME to become the default interface for the desktop version of Ubuntu two years ago (in Ubuntu 11.04), Canonical faced a lot of dissatisfaction from users. They complained that Unity didn’t work well on older hardware, was buggy and was, well, different.

Two years later, it has become very clear why Canonical made the switch to Unity, which it created itself. Since Unity — especially in its current version, which runs much more smoothly than the buggy early releases — lends itself not only to traditional PCs but also devices like phones and TVs, it is a key part of Canonical’s plan to turn Ubuntu into a truly cross-platform operating system.

GNOME: Hello Again

Yet those there are who still prefer the GNOME interface, which has been one of the most popular Linux desktop environments for over a decade and remains the default choice in many mainstream distributions besides Ubuntu. For these users, the upcoming Ubuntu 13.04 release brings good news because it will be the first since 11.04 for which an official GNOME-based variant of Ubuntu is available.

Called (simply enough) Ubuntu GNOME, this version of Ubuntu has existed as an independent project since last year. But as of April 2013, it will have its first official release alongside Canonical’s other iterations of Ubuntu.

GNOME, Unity and the Channel

If you don’t care too much about GNOME, this news probably won’t seem very interesting either. Yet from a broader channel perspective, it’s worth noting because it thickens the plot of Canonical’s quest to place the same Linux-based operating system, with a common interface, on PCs, phones, tablets and TVs.

The decision to offer GNOME officially once again, of course, doesn’t mean Canonical can’t also forge ahead with its efforts to make Unity ubiquitous on mobile devices as well as desktops. But it is a sign that the company is willing to make concessions in what has historically been a pretty unilateral approach on its part to the channel. It remains dependent on upstream partners like the GNOME project, and it continues to take seriously the requests of users who don’t like the default Ubuntu product.

Original Source :- http://thevarguy.com/ubuntu/ubuntu-1304-gnome-vs-unity-user-interface-update

Hope this will helps you all, If you face any issue regarding the same or its not working for your some how then please raise your questions / issues at http://linuxforums.tejasbarot.com

If you like this then Please Click Google +1 Button and Show Your Support. Your Support will encourage me to write more articles.

Ask for Linux Commercial Support :- http://www.tejasbarot.com/linux-commercial-support/

All Linux User’s Blog Mobile Applications :- http://www.tejasbarot.com/download-mobile-apps/

Please Keep in Touch with Social Networking :- 

Facebook :- https://www.facebook.com/tejasbarot.official

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Enjoy Ubuntu 13.04 :) Enjoy Linux :) Enjoy Open Source :)

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Howto: Install VirtualBox 4.2.10 on RHEL / CentOS 6.x / Linux

Dear All,

VirtualBox is an Open Source Cross Virtualization Software, By Installing VirtualBox You can Install Multiple Guest Operating Systems.

I am sharing this Howto to Install VirtualBox 4.2.10 on Linux ( RHEL  and CentOS 6.x ).

By Following Instructions You will able to Install and Run VirtualBox 4.2.10 on Linux.

Oracle VirtualBox

Oracle VirtualBox

Perform Following steps to Install VirtualBox on Linux | CentOs | RHEL 6.x

1. You need to be root to perform this Howto.

2.  Configure Repositories :-

# Download and Install EPEL Repository 

[root@linux-support-ahmedabad-tejas-barot ~]# wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm

[root@linux-support-ahmedabad-tejas-barot ~]# rpm -Uvh epel-release-6-8.noarch.rpm

# Configure VirtualBox Repository

[root@linux-support-ahmedabad-tejas-barot ~]# cd /etc/yum.repos.d/ 

[root@linux-support-ahmedabad-tejas-barot yum.repos.d]# wget http://download.virtualbox.org/virtualbox/rpm/rhel/virtualbox.repo

[root@linux-support-ahmedabad-tejas-barot yum.repos.d]# cd

3. Installing Dependencies for VirtualBox

[root@linux-support-ahmedabad-tejas-barot ~]# yum install binutils  gcc kernel-headers kernel-devel make libgomp glibc-headers glibc-devel patch  dkms qt

4. Finally Lets Start Installing VirtualBox 4.2.10

[root@linux-support-ahmedabad-tejas-barot ~]# yum install VirtualBox-4.2

5. That’s It.

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