This article will teach you on, how to schedule a corn job for executing a script or command or shell script at a particular time every day. As a system administrator, we know the importance of running the routine maintenance jobs in the background automatically. The Linux corn utility will help us to maintain these jobs to run in the background.General Syntax of a Cron JobMIN HOUR Day of month Month Day of Week Command 0-59 0-23 1-31 1-12 0-6 Any Linux command or scriptTo see a list of cron jobs which exists on the machine, run the below command ... Read More

Do you know how to remove empty lines from the file in Ubuntu? It may also be performed manually if the file has few strains but if the file has hundreds of thousands of line that is tough to be accomplished manually. This article explains you about – how to remove empty lines from a file on Ubuntu.Our sample file should be like this –Use the following command to remove the Empty lines from a file as shown below –$ ex -s +'v/\S/d' -cwq abc.txtIn the above command abc.txt indicates the file name. The sample output should be like this ... Read More

Cheat is a command line primarily based on Python software that lets in system administrators to view and save helpful cheat sheets. It retrieves simple-text examples of a delegated command which will remind the user of alternatives, arguments, or commonplace makes use of. Cheat is used for “commands which you use frequently, however now not frequently sufficient to consider”Installing CheatBefore installing Cheat, we need to make sure that everything’s up to date on the system as shown in the below command –$ sudo apt-get update && sudo apt-get upgradeInstalling Cheat is best done with the Python package manager Pip. To ... Read More

In this article, we will learn about how to install and setup Sphinx on Ubunt 16.04, Sphinx is an open source search engine which allows for full test searches, and is best in performing searches with a huge data very effectively where the data can be from any sources, (Ex − SQL Databases, plain text files, etc., )Features of the SphinxAdvanced indexes and good tool for querying.High Searching performance and indexes.Advances result for post-processing.Easily scalable with advanced searches.Can be integrated with SQL and XML sources.Can be scalable for handing the huge data with 1000’s of queries.PrerequisitesBefore we begin we needed ... Read More

Symfony is a full-stack, open-source PHP framework. It’s well known for its independent components which can be easily integrated into any other PHP project. The Symfony framework is suitable for building personal home page applications of any length, consisting of console programs supposed to run only at the command line. This article explains about – How to install and get started with symfony 2 on Ubuntu.Before we get started out, we’ll want to put in PHP for the command line environment. To install the php7.0-cli package, use the following command-$ sudo apt-get install php7.0-cliYou should now have PHP installed on ... Read More

In this article, we will learn about how to install and configure the Nginx Web server. Nginx is the most popular web server where some of the most popular and high traffic sites are hosted where it is more friendly and secured than Apache and it is also used as a web server.PrerequisitesUbuntu 16.04 installed on the machine with a non-root user with sudo permissions on the machine.Installing the Nginx in MachineWe can install the Nginx, which is available on Ubuntu’s default repository so can directly install the Nginx using the apt command.Before we install the Nginx we needed to ... Read More

Quickly releasing a new product or new features to the market is a challenging task for the organizations worldwide. The toughest job is to bring together all the distinct groups such as Development, Quality Assurance and IT Operations to get the work done in a quickest way to release the product as soon as possible.It has been seen that processes and practices are kept on evolving to overcoming those challenges. Just a decade ago there is no such term called DevOps exists in our corporate world, but later in 2009, a methodology defined a set of processes to collaborate and ... Read More

The predominant project of a Linux approach administrator is to make certain that the system is in an excellent condition. Collectl is used to collect performance information that describes the present process popularity. Unlike most of the other monitoring tools, collectldoes no longer center of attention in a restricted number of process metrics. Instead it can gather information on many different types of system resources such as cpu, disk, memory, network, sockets, tcp, inodes, infiniband, lustre, memory, nfs, processes, quadrics, slabs and buddyinfo. This article explains about how to install collectl.FeaturesIt runs interactively, as a daemon or both.It displays the ... Read More

For years, developers desperately needed a highly efficient and flexible framework that can not only help them establish effective applications but also give the liberty to bring their creativity and imagination. During that time, CodeIgniter emerged as the most agile, feature-rich and convenient alternative for developers. They love it madly for its quality to let all your creativity skills to life and develop extremely refined applications and minimizing coding.CodeIgniter enjoys the tag of one of the best in class frameworks loaded with a number of features including high security, convenient handling, exceptional stability and personalization.Although, bringing CodeIgniter into use and ... Read More

Rainbow Stream is a free and open source Twitter-consumer for Linux command-line, released under MIT License. It is competent of showing Rea ltime tweet stream, compose a tweet, search, favorite, etc.It is written in Python and built on high of Twitter API and Python Twitter Tool. To run this application in your console you must have installed python and pip version 2.7.x or 3.x.FeaturesIt is a free and open source twitter-client for Linux command-line.It is capable of rendering twitter image in Terminal.It supports Proxy.It supports interactive mode.Theme customization is implemented.It has the capability of showing real-time twitter stream.You can tweet, ... Read More