Author: Rahul

I, Rahul Kumar am the founder and chief editor of TecAdmin.net. I am a Red Hat Certified Engineer (RHCE) and working as an IT professional since 2009..

Zabbix is an open source software for networks and application monitoring. Zabbix provides agents to monitor remote hosts as well as Zabbix includes support for monitoring via SNMP, TCP and ICMP checks. Click here to know more about zabbix. This article will help you to step by step install Zabbix on Ubuntu 18.04 & 16.04 LTS systems. If you are using CentOS, RHEL or Fedora then Click here to install Zabbix on CentOS, RHEL or Fedora Step 1 – Install Apache, MySQL and PHP You must have a LAMP environment on your server to use Zabbix. If you already have…

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Zabbix is an open source software for networks and application monitoring. Zabbix provides agents to monitor remote hosts as well as Zabbix includes support for monitoring via SNMP, TCP and ICMP checks. Click here to know more about zabbix. This article will help you to step by step install Zabbix 3.0 Server on CentOS/RHEL 7/6 systems. Before starting installation read below basic requirements to run Zabbix 3.4. Apache: 1.3.12 or later. PHP: 5.4.0 or later. MySQL: 5.0.3 or later. OpenIPMI: Required for IPMI support. libssh2: Required for SSH support. Version 1.0 or higher. fping: Required for ICMP ping items. libcurl:…

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Upgrade Ubuntu 15.10 to Ubuntu 16.04 LTS. Ubuntu is widely used Linux operating system used for Desktop as well as Server edition. Ubuntu providing two types of releases Standard release and Long Term Support (LTS) release. Ubuntu provides support for standard releases for approx 1 year while Long Term Support is useful for approx 5 years. Ubuntu Desktop uses can upgrade to any release but for Server editions we recommend to use LTS release and always upgrade to LTS release only. A new Ubuntu 16.04 LTS release is available to upgrade. Every Ubuntu (Desktop + Server) users can upgrade your…

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Upgrade Ubuntu 14.04 LTS to Ubuntu 16.04 LTS. Ubuntu is widely used Linux operating system used for Desktop as well as Server edition. Ubuntu providing two types of releases Standard release and Long Term Support (LTS) release. Ubuntu provides support for standard releases for approx 1 year while Long Term Support is useful for approx 5 years. Ubuntu Desktop uses can upgrade to any release but for Server editions we recommend to use LTS release and always upgrade to LTS release only. A new Ubuntu 16.04 LTS release is available to upgrade. Every Ubuntu (Desktop + Server) users can upgrade…

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For security purposes, most of the large sites especially bank websites, and government sites force their users to change their passwords regularly. Being a system administrator I also recommend enabling password expiration for your websites, servers, or applications. This tutorial will help you to enable password expiration on your WordPress website. 1. Install Required Plugin Login to your WordPress admin control panel and install WP Password Policy Manager plugin to your WordPress site. 2. Configure Password Policy After successful installation of plugin navigate to Settings >> Password Policies . You will get a screen like the below screenshot. Configure policies…

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In large-scale software engineering, we see problems in our implementation at every step. However, the biggest challenge remains to identify the root cause of the issues and fix them. In this article, we will learn how to implement user authentication with MongoDB and drop users in MongoDB when the user is no longer an employee of your organization. MongoDB is one of the most popular NoSQL databases. It is a document database that stores data as documents rather than tables. If you are new to MongoDB or need a refresher, read our introductory article on using MongoDB: In this blog…

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Ubuntu 16.04 LTS (Xenial Xerus) final has been released with lots of changes. Here is few list of changes available in this release. Use below tutorials to upgrade to Ubuntu 16.04 from older versions. How to Upgrade Ubuntu 14.04 to Ubuntu 16.04 LTS How to Upgrade Ubuntu 15.10 to Ubuntu 16.04 LTS Apt (Updated Package Manager) Ubuntu 16.04 introduced apt (in place of apt-get) command to manage packages on your Ubuntu system. In earlier Ubuntu version we used apt-get, apt-cache command but now we have a single command apt to do all tasks. You can still use apt-get and other…

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Firstly congratulation’s for installing Ubuntu 16.04 LTS on your system. This tutorials has been published in basic stage. The editor of this article is still working on it to help you setup a better Ubuntu for you. We welcome your suggestions. 1. Upgrade All Packages After installing Ubuntu 16.04 LTS, first thing you should make your system up to date with latest packages. Use the following commands to update your system. $ sudo apt update $ sudo apt upgrade 2. Move Unity Launcher to Bottom Ubuntu 16.04 LTS is providing option to move unity launcher to bottom also. Ubuntu earlier…

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LAMP (Short form of Linux, Apache, MySQL, and PHP ) Stack is the most popular environment in PHP website development and web hosting. Where Linux is an operating system, Apache is the popular web server developed by Apache Foundation, MySQL is relational database management system used for storing data and PHP is the widely used programming language. This article will help you to Install Apache 2.4, MySQL 5.7 and PHP 7.2 on Ubuntu 16.04 LTS Systems. Step 1 – Install PHP PHP 7 is the default available packages in Ubuntu 16.04 repositories. Simply use the following commands to update apt…

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Install Nginx MySQL PHP (LEMP Stack) on Ubuntu 16.04 LTS. LEMP is the popular web hosting environment for websites developed in php programming language and MySQL database. Linux is the operating system, Nginx is the popular web server and MySQL is relational database management system used for storing data. This tutorial will help you to setup LEMP Stack on Ubuntu 16.04 LTS Systems. Step 1 – Install PHP PHP 7 is the default available packages in Ubuntu 16.04 repositories. Simply use the following commands to update apt cache and install PHP packages on your system. $ sudo apt update $…

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