In this article, we will learn about “how to use the Yum command” for installing the packages. Also note that, the repositories on the Cent OS 6.7 YUM (Yellowdog Update Modified) is a tool used to develop by Redhat. You can use this materials for learning the YUM.Managing Software with YUMUse the yum utility to install or modify the software on your system in the following ways –New software installation from repositories.Installing software from an individual package file.Updating the existing software on your system.Removing unwanted software from your system.Installing Software from a Package FileThe yum commands used in this is ... Read More

Before GitHub existed, all the companies have managed the programming source code in private. It was first introduced as a collaborative platform for developers and now almost all of the storage space online is shared here for collective work. Irrespective of major or minor companies, you will find and can also access all their GitHub accounts and download as well. It can be otherwise termed as a dump store of human knowledge.A common misconception that prevails is that, it is a development tool that is used only for coding and compiling computer languages. But the fact is far from it. ... Read More

Sysdig is an open source application, It captures system state and activity from a running Linux instance, then saves, filters and analyzes. It is scriptable in Lua and consists of a command line interface and an effective interactive UI, Sysdig is a combination of strace + tcpdump + htop + iftop + lsof + transaction tracing + awesome sauce. This article explains about -“How To Monitor Your Ubuntu System with Sysdig”.Installing SysdigConfigure the apt repository with trusted Draios GPG key as shown below –# curl -s https://s3.amazonaws.com/download.draios.com/DRAIOS-GPG-KEY.public | apt-key add - # curl -s -o /etc/apt/sources.list.d/draios.list http://download.draios.com/stable/deb/draios.listTo update the package ... Read More

Use ImageMagick to create, edit, compose or convert bitmap pix. It could actually read and write snapshots in a type of codecs (over 200) including PNG, JPEG, JPEG-2000, GIF, TIFF, DPX, EXR, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and develop into snapshots, alter image colors, follow various certain effects, or draw text, lines, polygons, ellipses and Bézier curves.This article explains about -“How to Install ImageMagick on Ubuntu”Before installing ImageMagick, It should be required, to build essentials as shown below –$sudo apt-get install build-essential checkinstall && apt-get build-dep imagemagick -yThe sample output should ... Read More

In this article, we will be learning about – how to configure and install the Composer, A composer is a tool which manages dependency for the PHP, which will be useful to facilitate the installation and update of the project dependencies which also show the appropriate versions required for the project requirements.Pre-requisitesOne machine with Ubuntu 16.04.A non-root user with root privileges on the machine.Installing the DependenciesBefore installing the composer, we need to update the machine with the below command –.$ sudo apt-get updateOnce the system updates, we shall proceed with the installation setup where we will be installing the packages ... Read More

In this article, we will learn – How to install and configure the Sysdiag tool. Sysdiag is an open-source activity monitoring tool which can be used to capture and analyze application logs which have powerful filtering features with customizable outputs.Sysdig works from getting the information from the kernel which allows capturing system calls and the information which comes to the kernel. It also monitors the servers which are installed on the system.Pre-requisitesTo complete this demo we need the following requirements − film John Wick − Chapter 2 online.Ubuntu 16.04 installed on the machineA non-root user with Sudo permission of the ... Read More

Red Hat, an American multinational software company, recently released an update of its OpenShift container platform on August 9. This update provides users with capacities which are taken from open-source Kubernetes 1.6 release. This is Red Hat’s quarterly update of the OpenShift platform. This update brings in a lot of changes but the major one is an addition of a Service Catalog which will help IT or third-party vendors in creating connections to internal or external services.This shows that in recent years, OpenShift has mainly become a Red Hat distribution of Kubernetes. The OpenShift is largely responsible for providing enterprise-grade ... Read More

You can change the size of the PowerShell Console with GUI and CLI both.With GUI −With CLI −To change the Width of the console,$host.UI.RawUI.WindowSize.Width = 150To change the Height of the console,$host.UI.RawUI.WindowSize.Height = 60

To change the background color of the font, you can use the GUI and command line both.With GUI − Colors → Screen Background.CLI −$host.UI.RawUI.BackgroundColor = "DarkBlue"You will notice that the background color of the text has been changed to DarkBlue.

Font color is termed as the Foreground color in the PowerShell. To change the font color you can use the console GUI property “Screen Text”. There are various 16 colors available and you can change RGB properties as well.CommandTo change the color with the script, use the below command.$Host.UI.RawUI.ForegroundColor = "Yellow"OutputYou can see the immediate change in the Foreground color.