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Articles by Samual Sam
Page 128 of 151
Top 5 open source bug tracking system
In Software development life cycle (SDLC), tracking bugs is one of the critical area and without this step, SDLC process cannot be completed. Developers are generally required to track bugs using bug tracking software in development projects. There are certain bug tracking system providers in the market which are specialized into tracking bugs and managing of full software projects.After a detailed research, I have listed down the Top 5 open source bug tracking systems for Linux.BugzillaBugzilla is an open source bug tracking system. It is used to manage software development which is also helpful to get a handle on software ...
Read MoreInstall wordpress on localhost with xampp server
WordPress is a free content management system (CMS) and well-known across the globe. It is an open source CMS based on MySQL and PHP. Beginners generally begin with WordPress on localhost. Here’s how we start with WordPress on localhost using XAMPP.TerminologyContent Management System (CMS) − A CMS has a central interface that is used to publish, edit, modify, and maintain content. Some well know CMS include, WordPress, Drupal, and Joomla.WordPress− It is an open source content management system founded by Matt Mullenweg and Mike Little. It was initially released in the year 2003 and its current version is WordPress 4.4.Xampp− ...
Read MoreShutter the ultimate linux screenshot program
Do you know “How to take screenshots in Linux operating system”? then this article is for you! There are many tools, which are available for Linux operating systems but one of the most reputed tool for screenshots which I would recommend is Shutter. It is an open source program and is written in perl. It is designed extremely well, offering an easy way to take screenshots of the entire screen, a region of the screen, a specific window, or even a website with a click of a button.Features of ShutterThe main attributes of the shutter tool are listed below –It ...
Read MoreHow to use ansible for setting up production elasticsearch servers with cluster
In this article, we will learn how to use Anisble to configure and install production Elastic Search cluster on CentOS7 which ensures that the Elasticsearch nodes will be secure from outside network .we will use VPN services to connect to the clusters.Elasticsearch is a very popular open source search, server which can be used for real-time distributed search and analysis of the data for better performance, stability and for scalability we need the Elasticsearch to be deployed across multiple servers as a cluster.PrerequisitesWe need a minimum of three CentOS 7 server environments with private networking since the Elasticsearch cluster needed ...
Read MoreHow to install and configure prometheus using docker on centos 7
In this article, we will learn how to install Prometheus server to collect the metrics and query them and also install Grafana – a web based graphical dashboard builder. Prometheus is an open source monitoring tool with time series database. It addresses many aspects for monitoring and generating a collection of metrics and graphs for resulting the data on the dashboards along with alerting.PrerequisitesTo complete this article we needed these resources CentOS 7 installed, a user with sudo access and Dockers installed.Installing the PrometheusWe are installing the Prometheus using the Dockers, so make sure that we already installed Docker on ...
Read MoreHow to install and configure puppet with master agent on centos 7
In this article, we will learn about how to install and configure open source Puppet agent/master on the CentOS 7, which is from Puppet Labs. Puppet is a configuration management tool that helps system administrator to automate the configuration, provisioning and management of the server infrastructure. The Puppet agents are called as nodes and we will be using the Puppet Server packages instead of the Passenger or any other environments.We needed a root or super-users access to the servers where we want to install the Puppet master.PrerequisitesWe needed a proper DNS which is configured on the puppet server so that ...
Read MoreHow to Join Several Partitions on Linux
In this article, we will create a single partition on Linux using 2 drives of 20 GB each to make a 40 GB single mount point so that we can store the data in one place with more space on the volume. Here, we are using a package called ‘mhddfs‘ which is a driver for Linux that combines several mount points into a virtual disk. This is a fuse based driver which provides an easy solution for large data storage that combines many small file systems into a single big virtual file system.Features of MhddfsWe can get System information and ...
Read MoreJawbone UP3 vs Fitbit Charge HR
Jawbone and Fitbit are the two popular companies that design and develop awesome fitness trackers. More often than not, the products developed by these two companies have the tinge of perfection and look as immaculate as they should be. Having said that, the fitness tracker of Jawbone is the attention grabber and self-proclaimed “world’s most advanced tracker” called UP3. In the case of Fitbit, it is the cynosure of all eyes which is rightly called Charge HR. Approach any individual with average technical acumen, and ask him about the best fitness trackers, he would name either Jawbone UP3 or Fitbit ...
Read MoreC++ Program to Generate a Sequence of N Characters for a Given Specific Case
This is a C++ program to generate a sequence of N characters for a given specific case.AlgorithmsBegin function GenerateSequence() generate a Sequence of N Characters for a Given Specific Case: Use rand() for generating random indexes. Store the first character directly into the sequence. If that sequence is used earlier, then it discards that and generates random index again. EndExample#include #include #include using namespace std; void GenerateSequence(char string[], int n, int l, char *sequence) { int i, j=0, k, in; for(i = 0; i < n; i++) { ...
Read MoreC++ Program to Generate All Possible Subsets with Exactly k Elements in Each Subset
This is a C++ program to generate all possible subsets with exactly k elements in each subset.AlgorithmsBegin function PossibleSubSet(char a[], int reqLen, int s, int currLen, bool check[], int l): If currLen > reqLen Return Else if currLen = reqLen Then print the new generated sequence. If s = l Then return no further element is left. For every index there are two options: either proceed with a start as ‘true’ and recursively call PossibleSubSet() with incremented value ...
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