This article helps us to add a new disk to LVM ( Logical Volume Manager), the very best advantage of LVM over normal disk partitions is its support for “dynamic partitions”; you can create and resize (expand or shrink) LVM volumes dynamically as we needed. There is no limit of the physical disk boundary in LVM logical volumes, so you can create a large LVM volume that spans across multiple smaller physical disks. This flexibility partitioning allows you to manage storage space more efficiently as disk usage change from time to time.If you want to add new disks to an ... Read More

In this article, we will learn how to add a new hard disk drive to Linux OS, Assuming the drive is visible to the BIOS, it should automatically be detected by the operating system. Typically, the disk drives in a system is assigned to a device name beginning with ‘hd’ or ‘sd’ followed by a letter to indicate the device number. For example, the first device might be /dev/sda, the second /dev/sdb and so on.The following is the output from a system with only one physical disk drive.# ls /dev/sd* /dev/sda /dev/sda1 /dev/sda2 /dev/sdbThis shows that the disk drive represented ... Read More

LAMP stack is a bunch of open source software that uses Linux as an operating system. LAMP is an abbreviation for Linux, Apache, MySQL and PHP. It is used to setup web development environment. Here, we will learn about – How you can install LAMP stack using tasksel on Ubuntu. For this article, we expect that you have a just right figuring out of Linux working method and its terminal. Installation of LAMP requires root privileges on the host machine.Installing ProcessTo install Tasksel, use the following command –$ sudo apt-get install taskselThe sample output should be like this –Reading package ... Read More

In this article, we will learn how to configure Ansible on CentOS 7 which is an Automation configuration management system. This system can control a large number of client machines with an easy administration, which can be automated from a central location.Ansible communicates over SSH tunnels and it doesn’t need to install any software on the client machine and it can retrieve information from the remote ansible machines which issues commands and copies the files.The Ansible configuration files mainly use the YAML data formation as it can be due to expressive and similarity of popular languages. The clients can be ... 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

Git is a popular open source version control system like CVS or SVN. This article is for those, who are not familiar with Git. Here, we are providing you with basic steps of installing Git from source, Creating a new project, and Commit changes to the Git repository.Difference between Git and other Version Control SystemsMost of the other version control systems, store the data as a list of files and changes are made to each file over time. Instead, Git thinks of its data more like a set of snapshots in a file system. Every time, it takes a snapshot ... Read More

Wine platform is developed for allowing you to run Microsoft Windows applications on Linux and other UNIX-based operating systems (MacOS X, FreeBSD, Solaris). PlayOnLinux is a graphical interface for Wine, which streamlines the installation process of well-known Windows applications and games under Wine platform by automatically configuring Wine as needed.Installing PlayonLinuxTo install playOnLinux use the following command –$ sudo apt-get install playonlinuxThe output should be like this –Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: libgail-common liblouis-data liblouis2 python3-brlapi python3-louis python3-pyatspi python3-speechd qt-at-spi xbrlapi Use 'apt-get ... Read More

Every Linux distribution comes with some logging systems to record system activities. This might be helpful during system troubleshooting. Rsyslog is an open source and is rocket-fast in terms of speed for system log process. It is available for several major Linux distributions including Debian and Red Hat based systems. Compared to SYSLOG protocol, It has several additional features such as content-based filtering of TCP for transporting and provides tons of configuration options. This article describes how to setup Rsyslog Remote Logging in simple steps.InstallationIf Rsyslog is not installed on your linux system, install using the following command −$ sudo ... Read More

Dpkg is a device to install, build, dispose of and manage Debian programs and is managed utterly through command line parameters, which consists of precisely one action and zero or extra options. The action parameter tells to dpkg, what to do and options to manipulate the conduct of the action is some way. This article explains about -“Mastering Package Management system with Dpkg”.To get the options of dpkg, use the following command –$ dpkg --helpThe sample output should be like this –Commands: -i|--install           ... | -R|--recursive ... --unpack           ... Read More

systemd is a framework and service manager for Linux operating system. At a point when keep running as the first process on boot (as PID 1), it goes about as init system. that raises and keeps up userspace services.This article explains -“Learn modern service management system (Systemd) on Linux”To get more information about systemd, use the following command as shown below –$ systemd -hThe sample output should be like this –Starts up and maintains the system or user services. -h --help                                     ... Read More