RSSCategory: LINUX HOWTO

How Install R / R Studio on CentOS 7

The R programming language is a free software implementation of S programming language, and it is largely compatible with it. It is a GNU project and it is most popular language for statistics and data science, rivaled only by Python. Today we will install the R and R Studio IDE on Centos 7 server. This […]

November 25, 2016 | By
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How to Setup GitLab Server Backup

GitLab is an absolute solution for storing all your Git repositories. Taking backup is an important activity even when a few people ignore it because taking backups repeatedly are too tiresome and adds to their frustration as a developer. So, automating the whole process of taking the backup of your GitLab repositories is a good idea. […]

November 24, 2016 | By
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How to Install SonarQube with Nginx on Ubuntu 16.04

Sonarqube is an open source platform for continuous inspection of code quality. It is written in Java language and it offers support per languages. It supports various languages like Perl, PHP, Ruby etc. It provides reports on various Code quality analysis (like duplicate coding errors, the percentage of unit testing which got failed and succeeded), […]

November 23, 2016 | By
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Awesome ! Hadoop HDFS Commands Cheat Sheet

HDFS is now an Apache Hadoop subproject. An HDFS instance contains of vast amount of servers and each store a part of file system. A typical file size in HDFS would be in gigabytes or terabytes in size hence applications will have large data sets. A file once created need not be changed ie it […]

November 21, 2016 | By
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How Install Microsoft SQL Server on Ubuntu / RHEL / Centos / Docker

So that day have came now, MSFT has to port their software to Linux in order to stay relevant. MS SQL Server preview have came out and it is supported on Ubuntu, CentOS, RHEL  and Docker container. In this article we are going to walk through how to install Microsoft SQL Server on linux platforms […]

November 19, 2016 | By
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How to Setup lsyncd for Synchronize Directories to Remote Computers

If you want some directory of yours actively backed after every change, they are a lot of sync options to choose from. Software like csync, rsync, csync2, lsyncd and many others will all do the job, but in this article we will only review one of them. We will introduce features of lsyncd, a synchronization […]

November 3, 2016 | By in LINUX HOWTO
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How to Setup Percona Cluster with HAproxy Loadbalancer on CentOS 7

We earlier shown how to setup MariaDB Galera cluster with HAproxy, and today we will do the similar setup with Percona's distribution of MySQL. Percona is the company that has deep expertise with MySQL and MongoDB, and they make their own distributions of those databases as well as storage engines for both databases. Today we will […]

November 1, 2016 | By in LINUX HOWTO
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How to Install Terminix the Tiling Terminal Emulator in Linux Distros

If you are frequently longing onto multiple servers over SSH and have many terminal windows floating over your desktop, this article might be interesting for you. To do away with window clutter, we  are going to install Terminix, a tiling terminal emulator which is based on GTK+ 3 and can help you have many terminals stacked into […]

October 5, 2016 | By in OPEN SOURCE TOOLS
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How to Setup Etcher USB and SD Card Image Writer for Linux

There are plenty of tools for writing to USB drives on Linux, but most are specialized to writing bootable USB images of one distro. For example, Fedora has its own tool which makes Fedora Live USB, and other distros also have the same. If you try to write something else, it might or might not […]

September 29, 2016 | By in OPEN SOURCE TOOLS
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How to Install Freebsd 11 Unix Server and Its Time to Upgrade

The new Freebsd 11 release announcement supposed to happen Monday, 10 October 2016 (update -  released ) with pending security fixes (please wait for final release 11.0-RELEASE-p1 for production upgrade) while we have images ready on ftp and its packed with a lot of new features includes faster network, improvements to NUMA, devctl to request administrative changes […]

September 28, 2016 | By in DISTROS
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How to Setup Vuls Vulnerability Scanner in Linux

VULS is a security vulnerability scanner for Linux. It downloads the NVD (National Vulnerability Database) and inserts into a sqlite database. Vuls has built in CVE dictionary for this sqlite file. The servers are connected using key based authorization, hence we need to generate ssh keys and confirm the authorization between servers and scan target. Since, vuls is an […]

September 27, 2016 | By in SECURITY
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All You Need to Know About Linux Kill Command From Scratch

The kill command is used on linux and other Unix-like operating systems ( Solaris,  AIX, HP-Unix, Mac). It doesn’t matter which operating system you are using to terminate processes without having to log out or reboot the computer. A process, also referred to as a task, is an executing (i.e., running) instance of a program. […]

September 20, 2016 | By in LINUX COMMANDS
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How to Install perf Tool on CentOS and Ubuntu

Perf is a performance counter for Linux. With it you can know many secrets of the running linux system. For example why L2 cache misses are happening. Why your disk is showing activity, which code paths are making the stalls in the kernel, and many other things. In this article, we will show basics of […]

September 19, 2016 | By in LINUX COMMANDS
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24 Things To Do After Installing Elementary OS Loki

If you followed our guide for installing Elementary OS, next thing you want to know is what to install to actually make your Elementary install usable. We have made a neat video for that, but what if you want to paste commands, or only some of them? You might not need all of it,  so […]

September 15, 2016 | By in GUI
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