Author Archive: B N Poornima

She is a Linux professional working on Linux and open source since 2003. She loves blogging, travelling, photography and music.

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Create / Mount / Manage XFS Filesystem on Fedora 22

XFS is a 64-bit journaling filesystem that was created by Silicon Graphics, Inc (SGI) in the year 1993. It is a high performance and highly scalable filesystem and was ported to the Linux kernel in 2001. Since then, many Linux distributions support XFS and is even the default in some. The latest Fedora 22 server […]

July 6, 2015 | By
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Install and Configure GlusterFS in CentOS 7 on AArch64

This article explains the process of installing and configuring CentOS 7 with GlusterFS on AArch64. GlusterFS is an open source and scale-out filesystem which combines multiple storage servers using Infiband or TCP and makes one large network filesystem. Requirements To configure GlusterFS, you need two or more servers (AArch64) with CentOS 7 installed. The servers can be either […]

June 16, 2015 | By
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Command Line Tool to Monitor Linux Containers Performance

ctop is a new command line based tool available to monitor the processes at the container level. Containers provide operating system level virtualization environment by making use of the cgroups resource management functionality. This tool collects data related to memory, cpu, block IO and metadata like owner, uptime etc from cgroups and presents it in a […]

May 7, 2015 | By
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Docker 1.6 Released - How to Upgrade on Fedora / CentOS

Docker, a popular open source container platform for packaging applications, has a new release 1.6 with lot of new features in it. This version has updates to Docker Registry, Engine, Swarm, Compose and Machine. The release aims at improvements in performance, developer and system administrator experiences. Let us take a quick look at the new […]

April 28, 2015 | By
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A Peep into Process Management Commands in Linux

A program in execution is called a process. While a program is an executable file present in storage and is passive, a process is a dynamic entity comprising of allocated system resources, memory, security attributes and has a state associated with it. There can be multiple processes associated with the same program and operating simultaneously […]

March 25, 2015 | By
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Best Known Linux Archive / Compress Tools

Sending and receiving large files and pictures over the internet is a headache many times. Compression and decompression tools are meant to address this problem. Lets take a quick overview of a few open source tools that are available to make our jobs simpler. Tar gzip, gunzip bzip2, bunzip2 7-Zip Tar Tar is derived from […]

February 8, 2015 | By
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5 User Space Debugging Tools in Linux

By definition, debugging tools are those programs which allow us to monitor ,control and correct errors in other programs while they execute. Why should we use debugging tools? To answer this, there are various situations where we get stuck while running some programs and will have the need to understand what exactly happened. For example, […]

December 22, 2014 | By
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