Recent Articles

Unix Z Commands – Zcat, Zless, Zgrep, Zegrep and Zdiff Examples

In this article let us review how to perform normal file operation on a compressed files using the powerful Linux Z commands.Some of these z commands uncompressed the file temporarily in the /tmp directory to perform the specified operation. Some of the z commands uncompressed it to perform the specified operation. But, under any case, […]

September 7, 2016 | By
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How to Install Wine 1.9 on Ubuntu / Debian / Linux Mint

Saying that I don't like Windows would be an understatement. But now and then, need arises to run some windows software for some reason. For that good people of Wine Project have possible to run Windows applications on Linux operating system. In this article we will run Windows software with Wine on several popular Linux […]

September 6, 2016 | By
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8 Best Password Manager Tools for Linux

Today majority of Internet users are exposed to cyber attacks, not because they aren't using any best security measures, but because they are using weak passwords to secure their accounts. Passwords are your last resort of defense against online threats. Even though we can hardly control data breaches, it is still important to maintain strong […]

September 6, 2016 | By
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How to Track Progress % of Commands (cp,dd,tar) in CentOS 6 / Fedora

When you copy a large file in terminal with simple cp command without flags, you might sometimes wonder whether it is really copying or the process got blocked somehow and it will actually never finish. The output is non existent and you are tempted to pres Ctrl-C to end abort the process. Well instead of […]

September 5, 2016 | By
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How to Setup Cassandra Replication on Ubuntu 16.04

If you have data that is not suited for relational database, chances are you are looking for NoSQL solution. NoSQL options are diverse, Aerospike, MongoDB, Redis, and many others try to solve Big Data problem in different ways. In this article we will concentrate on replication with cassandra. This database actually got the name from Greek […]

September 1, 2016 | By
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How to Setup HAProxy in Ubuntu 16.04

HAProxy is an open-source high availability load balancing and proxy services tools for TCP and HTTP-based network applications. It is easy to use, suits for high volume websites and  its seamless integration into  existing architectures. It offers transparent connections, server offloading, enforcement of policies, limit connections apart from its primary function of proxy service. In […]

August 31, 2016 | By
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Run Command Parallel on Multiple Hosts using PDSH Tool

PDSH is a very smart little tool that enables you to issue the same command on multiple hosts at once, and see the output. It is a high-performance and parallel remote shell utility. It can run multiple remote commands in parallel and uses a "sliding window" (or fanout) of threads to conserve resources on the initiating host […]

August 30, 2016 | By
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How to Install Rocket Chat on Ubuntu 16.04 with Docker

Rocket.Chat is a Web Chat Server, developed in JavaScript. It is an open source messaging APP built with Meteor fullstack framework. It is a great solution for communities and companies who need to host their own private chat service or for developers who're planning to build and evolve their own chat platforms. There are several features […]

August 29, 2016 | By
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How to Install Poptop VPN Server on CentOS 7

Continuing the VPN series, today we cover Poptop, or pptpd. It is easier to configure than other VPN software, but MS-CHAP-v2 encryption that it uses is not really secure, as we come to expect from Microsoft software. Nevertheless I have experienced situations where Poptop succeeds where other VPN  like OpenVPN and Softether fail, so this article might […]

August 26, 2016 | By
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How to Install Softether VPN server on Centos 7

Setting up your own virtual private network server is a good way to evade blockage and be able to access sites that are blocked in your country. Choice of open source VPN packages is long but today we decided to try Softether coming from University of Tsukuba in Japan. Softether have long been proprietary product […]

August 25, 2016 | By
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How to Compile IPFire Firewall on Ubuntu 14.04

In our previous article we have installed and configured the IPfire firewall on the virtual machine (VM). However, in this article our focus is the compilation of IPfire on the Ubuntu platform. Following could be the reasons of IPfire compilation from source code. Removal/Addition of features Writing new plugins Update packages like Linux kernel Customization […]

August 24, 2016 | By
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How to Configure OpenVPN on Ubuntu 16.04

Continuing the series of VPN articles, we now install OpenVPN on Ubuntu 16.04 Server. OpenVPN is well know VPN software from company of the same name. It is is somewhat harder to configure than other VPN software, so we will concentrate on server side configuration, and making ovpn files in this article. This guide is designed […]

August 23, 2016 | By
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25 Best Known DevOps Tools that Commonly Used

DevOps can be simply defined as the practice of performing operations and development activities on a project. The use of developers technique for performing system administration tasks is also called as DevOps. Its meaning is really different from person to person as it covers a lot of arena. It is also a culture that emphasizes […]

August 22, 2016 | By
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Install Rainbow Stream Commandline Twitter Client on Linux

Rainbow stream is a free open source, smart and nice terminal based twitter client. It provides real time tweet stream, compose, search, favourite and much more fun directly from linux terminal. It is written in Python and built on top of twitter API and python twitter tool. To run this application in your console you […]

August 19, 2016 | By
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