Jeff Wilson 
In this article, we are going to provide you with useful examples of the Linux grep command, including the two variant programs: egrep and fgrep. grep (global regular expression print) is used to search for text strings and regular expressions line by line which matches a specified pattern within one or more files.
Listed below are some simple and useful examples of how to use the grep command on Linux and search for a string in one/multiple files.
WordPress is without a doubt one of the best free blogging platforms and services available on the market today. It offers a wide variety of customization options and tools that will allow even those without technical knowledge to get their blog up and running in mere minutes. However, once a blogger uses WordPress’ official site as their blog for a while, he or she will begin to notice the limitations of the free WordPress.com service.
We’ll show you How to Install LAMP on Ubuntu 16.04. LAMP (Linux, Apache, MySQL, PHP) is a combination of open source software, typically installed on a server used for hosting dynamic websites and web applications. It includes the Linux operating system, the Apache web server, MySQL for data storage and management and PHP for handling the dynamic content. Installing LAMP on Ubuntu 16.04 is an easy task, just follow the steps below carefully.
Today we will cover a tutorial on how to install and configure the ELK Stack on Ubuntu 16.04. ELK stands for Elasticsearch, Logstash, and Kibana and is a robust open source solution for searching, analyzing and visualizing data. Elasticsearch is a distributed, RESTful search and analytics engine based on Lucene, Logstash is a data processing pipeline for managing events and logs and Kibana is a web application for visualizing data in Elasticsearch. This ELK Stack tutorial should work on other Linux VPS systems as well but it was tested and written for an Ubuntu 16.04 VPS. Installing ELK Stack on Ubuntu 16.04 is an easy task, just follow the steps below, and you should have it installed in less than 15 minutes.
The uploaded file exceeds the upload_max_filesize directive in php.ini, is a common WordPress error when installing new themes, plugins, uploading new images or creating new posts. Installing WordPress is a fairly easy task and it only takes a few minutes. After installing WordPress, you may want to change the default theme and install a new one, install some WordPress plugins, create new posts and upload image files, etc. and this is when you may receive the following error: The uploaded file exceeds the upload_max_filesize directive in php.ini. In this tutorial we’ll show you, how to fix The uploaded file exceeds the upload_max_filesize directive in php.ini.
In one of our previous posts, we explained how to install Joomla 3 on Ubuntu 14.04. Joomla is a Content Management System (CMS for short) – this is user-friendly software that allows you to build websites and manage the content on your websites easier than ever before.
We’ll show you How to Install SquirrelMail on CentOS 7. SquirrelMail is one of the most popular Web-based email clients written in PHP. It has built-in pure PHP support for IMAP and SMTP, and it is designed to render all pages in pure HTML 4.0 with no JavaScript required, for maximum compatibility across browsers. Its installation and configuration is pretty simple. Note that if you have a VPS with WHM/cPanel or DirectAdmin, SquirrelMail comes preinstalled and ready to use with these control panels. Installing SquirrelMail on CentOS 7, its not complex task, follow our guide below and you should have it installed in few minutes.
MySQL is an open source relational database managed system (RDBMS) that enables users and applications to store, organize, and retrieve their data. It has an access control system that consists of permissions that the users can have within tables and databases. In this tutorial, we will explain how to create a new user in MySQL, and grant permissions to that use. Creating a new user in MySQL database and granting permissions is an easy task if you follow this tutorial carefully.