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Linux/UNIX wget command with practical examples

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wget is a Linux/UNIX command line file downloader.Wget is a free utility for non-interactive download of files from the Web. It supports HTTP, HTTPS, and FTP protocols, as well as retrieval through HTTP proxies.Wget is non-interactive, meaning that it can work in the background, while the user is not logged on. In this post we […]

ifconfig-command-in-editor

How to run Unix Commands in vi/vim editor

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There are some scenarios where unix admin wants to run unix commands and insert the output of unix command in vi editor without leaving it. This can be possible using below steps : :!UNIX_command Example : Run the ifconfig command within the /etc/hosts file. linuxtechi@mail:~$ sudo vi /etc/hosts Insert UNIX Command Ouptut in vi editor […]

xarg

Linux/UNIX xargs command examples

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xargs is a command in UNIX like System that reads items from the standard input, delimited by blanks (which can be protected with double or single quotes or a backslash) or newlines, and executes the command (default is /bin/echo) one or more times with any initial-arguments followed by items read from standard input. Blank lines […]

Interview-Questions

20 Linux Virtualization Interview Questions & Answers

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Q:1 What is Virtualization ? Ans: Virtualization is a technique for creating virtual resources (rather than the actual) such as server, storage device, network  and Operating system. Virtualization is dis-associating the tight bond between software and hardware. Q:2 What are the different types of  Virtualization ? Ans: Virtualization can be used in different ways  and  […]

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OpenSUSE 13.1 Installation guide with Screenshots

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OpenSUSE is the most widely used linux distribution. It is free / opensource which is suitable for laptops, desktops, netbooks, servers and multimedia center PCs at home or in small offices. In this article we will discuss the installation steps of OpenSUSE 13.1 along with screenshots. Minimum System Requirements for SUSE linux are listed below […]

Google Drive
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Mount Google drive in Ubuntu 14.04 LTS

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Google has not released its official linux client for accessing its drive from the ubuntu. But open source community has developed unofficial package called 'grive-tools'. Grive is a Google Drive (online storage service) client for GNU/Linux systems.It allows the synchronization of all your files on the cloud with a directory of your choice and the […]

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Install MPlayer (Multimedia software) in Ubuntu Linux

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Mplayer(Movie Player) is a multimedia software in Unix-like system. With Mplayer we can easily play our audio and video files. It supports a wide variety of video file formats, audio and video codecs, and subtitle types. Special input URL types are available to read input from a variety of sources other than disk files. Some […]

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CentOS 7 Installation Steps with Screenshots

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After the release of Redhat enterprise Linux 7 (RHEL 7) , CentOS community has released its Latest Operating System named as CentOS 7. Some of the new features in CentOS 7 as compared with CentOS 6.X are listed below : CentOS 7 uses XFS as its default file system. OpenJDK-7 is the default JDK. initd […]

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20 Postfix Interview Questions & Answers

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Q:1 What is postfix and default port used for postfix ? Ans: Postfix is a open source MTA (Mail Transfer agent) which is used to route & deliver emails. Postfix is the alternate of widely used Sendmail MTA. Default port for postfix is 25.   Q:2 What is the difference between Postfix & Sendmail ? […]