Sohail Riaz

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  • How To Fix Kernel (3.7.2-201) version.h file in Fedora 18

    Jan 19 | Linux | Sohail Riaz | 35474 Views | with No Comments

    I came across an issue while installing ATI Radeon Catalyst drivers on my new Fedora 18 installation. It kept failing by saying one of the required tool is missing to proceed further with installation. By looking into log file, I found that it try to access one of my install kernel 3.7.2-201 header file named version.h in /lib/modules/3.7.2-201.fc18.x86_64/build/include/linux/. Its a bug and kernel 3.7.2-201 devel rpm i.e kernel-devel-3.7.2-201.fc18.x86_64 miss installing version.h in /lib/modules/3.7.2-201.fc18.x86_64/build/include/linux/ location. Continue Reading

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  • How To Install Shutter (Screenshot Tool) on Fedora 17

    Jan 12 | Linux | Sohail Riaz | 46620 Views | with 3 Comments

    In this howto I will describe how to install shutter (screenshot tool like snippingtool in windows) on Fedora 17. Shutter is a GTK+ 2.0 screenshot application written in perl. It gives a sophisticated way of capturing screenshot of your desktop or selection of it. The captured screenshot later on can be edited to fit your need. You can crop, add caption, hide something personal using its beautiful GTK based GUI tool and even can capture any website screenshot using url. You just need to install shutter which comes with a heavy list of dependencies and will use up to 47M approximately of your disk space. Continue Reading

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  • Free Icon/Symbol from Open Icon Library

    Apr 3 | Linux | Sohail Riaz | 58948 Views | with No Comments

    A project Open Icon Library (http://openiconlibrary.sourceforge.net/) will be very useful for the developers / designers to use icon free, modify and redistribute. I found it very helpful to community and some how everybody in this community need icons either they are web designers or application developers.

    A free and open Icon collection. Over 10,000 Unique Icons. Free for anyone to use on you computer, website or any other project. The library is not a theme. Its a centralized source for icons to cover all your needs. The goal is to cover all common apps, operating systems, mimetypes, devices, and country flags. Continue Reading

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  • How To Downgrade RPM Package Using YUM

    Apr 1 | Linux | Sohail Riaz | 57411 Views | with No Comments

    In this howto I will describe how to Downgrade a RPM Package Using YUM. Yum came with a plugin named yum-allowdowngrade which allow you to downgrade any existing install RPM to older version. This requirement came from one of my client server that it requires to downgrade PHP version from 5.3.8 to 5.2.17. Continue Reading

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  • How To Remove i386 RPM Package from x86_64 Install

    Mar 31 | Linux | Sohail Riaz | 34529 Views | with No Comments

    In this how to I will describe how to remove any i386 RPM Package from your x86_64 version of install. The operating system can be RHEL, Fedora or CentOS. Sometimes using yum we accidentally or intentionally or as requirement we install i386 rpm package on our x86_64 install of RHEL, Fedora or CentOS. Continue Reading

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  • How To Add EPEL Repository on CentOS / RHEL 6.x

    Feb 25 | Linux | Sohail Riaz | 49346 Views | with 3 Comments

    In this How To we are going to add EPEL (Extra Packages for Enterprise Linux) on CentOS / RHEL 6.x. Extra Packages for Enterprise Linux (or EPEL) is a Fedora Special Interest Group that creates, maintains, and manages a high quality set of additional packages for Enterprise Linux, including, but not limited to, Red Hat Enterprise Linux (RHEL),CentOS and Scientific Linux (SL). Continue Reading

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  • How To Prevent Package Update Using YUM

    Feb 21 | Linux | Sohail Riaz | 31837 Views | with No Comments

    In this howto we will discuss how to prevent any package to be update using yum even its update is available. Sometimes we require to stick with current version of any installed rpm package and does not need to update. But whenever you execute yum command, it will search for available update for the current package install. Even if any package which is part of dependencies of installing rpm package will get update using yum. Continue Reading

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  • How To Encrypt Files Using GnuPG

    Feb 16 | Linux | Sohail Riaz | 35163 Views | with 2 Comments

    In this HowTo we will discuss to encypt files using GnuPG. Encryption is a method which protect data stored on your computer or sending over the network from compromise. It can be used to ensure and verify data comes from a rightful owner, and also to maintain confidentiality of the data. We will used a tool GnuPG (GNU Privacy Guard) to encrypt individual files or validate files. Continue Reading

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  • How To Fix Bluetooth in Fedora 15

    May 26 | Linux | Sohail Riaz | 32372 Views | with 34 Comments

    In this howto I will describe how to fix bluetooth issue in Fedora 15. I updated Fedora 15 last night and found out my bluetooth mouse is not connected. By seeing icon at tray, it shows bluetooth is on but visibility option was faded and by selecting setting everything was faded. That means something was fishing regarding it. By investigating different fedora forums founds its been a small bug that bluetooth service were not run at startup. To fix this you have to enable the service to run at startup and start the service to use your bluetooth pheriphirals. Continue Reading

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  • How To Fix MySQL Error ‘Could not parse relay log event entry’

    Jul 5 | Linux | Sohail Riaz | 39959 Views | with 15 Comments

    In this howto i will describe how to fix MySql error ‘Could not parse relay log event entry’. On one of my client database replication cluster we got issue of ‘Could not parse relay log event entry’ on slaves. On investigating it found he has deleted some relay log files to free up the space. You can see the error in show slave status command on Last_Error field. Continue Reading

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About Me

My name is Sohail Riaz, I am an expert level system administrator and worked in several reputed organization. I am currently holding a Senior Support Engineer post at ARAMCO Oil Company Saudi Arabia. I live with Open Source and have contributed several articles / howto’s and softwares. I have deployed several advance technologies including High Availability Clusters, Load Balancers, High End Web Servers, Cloud Computing and currently High Performance Computing Clusters.

Comments

  • Sohail Riaz says: @NASIM: It will be better to create single bond out of 4 or more interfaces you are using to create ...

  • MD NASIM AHMAD says: can we make bond0 and bond1 to bond3 where bond3 is combination of bond1 andbond2bond3=bond0+bon...

  • ether mahmud says: Is it possible to create in particular mail address .... plz share doc step by step...

  • Sohail Riaz says: @Albert: Please post your exim.conf. The error show issue with syntax. Regards, Sohail...

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Recent Posts

  • Apr 12 | 19660 Views | 1 Comment

    Recover InnoDB tables using .frm and .ibd files

  • Mar 29 | 12750 Views | 4 Comments

    Auto-Reply for Exim Mail Server

  • Oct 25 | 11100 Views | 1 Comment

    Update Cobbler Signature File

  • Apr 16 | 26762 Views | 2 Comments

    HowTo Edit Initrd.img in RHEL/CentOS 6.x

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