Author Archive: Bobbin Zachariah

Founder of LinOxide , passionate lover of linux and technology writer. Started his career in Linux / Opensource from 2000. Love travelling, blogging and listening music. Reach Bobbin Zachariah about me page and also below google plus page.

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Linux - Memory Analysis With Free and Pmap Command

When we talk of memory, then its the most misunderstood parameters of the whole system,especially, when we talk of Unix as a system, its memory workflow is again different from Linux and so Unix memory management is out of scope of this article, this article mainly talks of simple tools that can be used to […]

Posted on : December 8, 2012 , Last Updated on : October 16, 2016 By
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Examples - Linux Shutdown Commands

According to the manual page of shutdown command, Shutting down a system means bringing the system down in a secure way. How can you shut down your system successfully using a command? This article discusses the commands you can use to shut down your Linux box. Shutting down your Linux The simplest of the commands […]

Posted on : December 5, 2012 , Last Updated on : October 16, 2016 By
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How Install java and Set Environment Variables RHEL / CentOS

This article we illustrate how to install Java Development Kit 8 on RHEL/CentOS 7.0 version. As I am using 64 bit machine I would using 64 bit version of jdk. Below installation steps should work on other RPM based distributions such as RHEL 6.x, and Fedora etc. OpenJDK 7 is used as the default JDK version on […]

Posted on : December 2, 2012 , Last Updated on : June 19, 2017 By
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Linux Command To Change Password For Root / User / Group

Passwords are the way of authenticating a user in Linux system. Linux uses MD5 as an algorithm for storing the password hashes. MD5 is a one way hashing algorithm which is very secure way of authentication. This article tells how a user can change password for his/her account. Changing password The ‘passwd’ command can be […]

Posted on : November 25, 2012 , Last Updated on : October 15, 2016 By
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Example How To Use Linux nohup Command

The signal in Linux or other UNIX like operating systems is a notification or message sent to a process to notify it that some event has occurred. Most of the commands executed by a user are run by his/her shell. The parent process of these commands or scripts is his shell, whose process ID can […]

Posted on : November 23, 2012 , Last Updated on : October 15, 2016 By
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Easy Linux Command To Change Runlevels

Runlevel can be defined as a part of Linux OS which determines the processes that need to be started at system startup. While booting a linux system, “init” is the first process that gets executed with PID 1, which then starts other processes. The processes that need to be started by “init” at system bootup […]

Posted on : November 21, 2012 , Last Updated on : October 15, 2016 By
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Linux Reclaim Storage Space - Ext4 Unmap Feature

Its been long time reclaiming space on a block level storage , been alerting and frustrating for all who work on storage side. Block storage only knows about areas of a volume that have ever been written . If later the application frees up space / delete files , the space is not marked as […]

Posted on : November 19, 2012 , Last Updated on : October 15, 2016 By
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Best Difference Between Linux Grub and Grub2 Bootloader

If someone asks me which am the most frightening thing of Linux then I would say boot loader. Main reason for this is because most of the Linux users have used Windows operating system in their life. In windows, they have not bothered to know more about boot loaders. Even, sometimes they use only Recovery […]

Posted on : November 17, 2012 , Last Updated on : October 15, 2016 By
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HowTo : Install Wireshark On Linux

Wireshark is one of the best open source network packet analyzer available today. Wireshark is used to capture network packets and display the details of the packet data. This is useful for troubleshooting the network or network security issues and to debug protocol implementations. In this article, we will go through the installation of wireshark […]

Posted on : November 15, 2012 , Last Updated on : October 15, 2016 By
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HowTo : Scp A File / Directory In Linux

SCP, the secure copy program in Linux copies files between hosts on the network. It uses SSH to transfer the data. It provides the same security and uses same authentication as required by SSH. SSH is the secure shell program, which can be used for remote system access. SSH sends encrypted data over the network. […]

Posted on : November 13, 2012 , Last Updated on : October 15, 2016 By
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Easy Steps Installing WordPress On Ubuntu Using Apt-Get

Most of you have probably heard of WordPress, it is free, open source software that is widely used by bloggers all over the Internet. Here is a tutorial to help you install WordPress on your Ubuntu machine, whether you want to have your own self-hosted website or you just want to setup WordPress for testing […]

Posted on : November 11, 2012 , Last Updated on : October 23, 2016 By
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HowTo : Reboot Linux Server Command Line And Remotely

In linux system administration, it is sometimes required to restart our server after the completion of some network and other major updates either relevant to software or hardware that are being carried on the server. The reboot is needed so that the changes that we have done can be affected on the server. For example, […]

Posted on : November 10, 2012 , Last Updated on : October 15, 2016 By
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HowTo : Permanently Add Static Route In Linux

Static routing is the process of manually entering the routes to the routing table to reach a particular destination. So, the data from one point to another uses the same path regardless of other considerations. The main advantages of static routes are its control, predictability and improved performance. In this article we will learn how […]

Posted on : November 8, 2012 , Last Updated on : October 15, 2016 By
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