In this article, I'll explain a simple method to install and configure OpenNMS on our Ubuntu 18.04 systems. OpenNMS is a highly integrated, open-source, and enterprise-grade network management system that can be used to monitor and manage numerous devices from [...]
Saheetha Shameer
How to Install XWiki on Ubuntu 18.04
XWiki is a free and opensource advanced Wiki Software which is written in Java. It runs on servlet containers like JBoss, Tomcat etc. It uses a database such as MySQL or PostgreSQL to store its information. In this tutorial, I'll explain [...]
How to Create Self-Signed SSL Certificate for Nginx on Ubuntu 18.04
SSL stands for "Secure Sockets Layer", which is the standard security technology meant for creating an encrypted link between a Web server and a Web browser. This link ensures that all information passed between the server and browser remains private [...]
Mkcert - Create SSL Certificates for Local Development on Linux
In this article, I'll explain how to install mkcert, a zero-config tool on our latest Ubuntu system. Mkcert is a simple tool which can be used in making locally trusted certificates. It doesn't require any configuration. It is always dangerous or [...]
How to Install Zabbix and Add Remote Hosts on Ubuntu 18.04
Zabbix is designed to monitor server performance, availability of a server, network devices, and other network components. We can easily keep track of any applications, systems and network devices status using this. In this article, I'll explain how to install Zabbix [...]
How to Install CHKROOTKIT on Ubuntu 18.04/Centos 7
In this article, I'll explain how to install chkrootkit on our latest Ubuntu 18.04 and CentOS 7 systems. The chkrootkit is a common security scanner which helps the administrators to search the local system for signs that it is infected [...]
How to Install Let's Encrypt SSL Certificates on Ubuntu 18.04
Certbot is a user-friendly automatic client that fetches and deploys SSL/TLS certificates for your web server. It is an EFF's tool which is used to obtain certs from Let's Encrypt and auto-enable HTTPS on your server. In short, it acts [...]
How to Install PhpMyAdmin with LAMP on Ubuntu 18.04
PhpMyAdmin is a LAMP application particularly meant for MySQL server administration. It is an application built on PHP and can be easily accessed through the web browser. In short, it provides a user-friendly graphical interface for database administration. In this [...]
How to Install Splunk on Ubuntu 18.04
In this article, I'll explain how to install latest Splunk in on Ubuntu 18.04 server. Splunk is aimed to process the data to make it useful for the user without manipulating the original data. It is one of the most powerful [...]
How to Install LAMP Stack on Ubuntu 18.04
In this article, I'll explain how to install LAMP stack with WordPress on our latest Ubuntu 18.04 server. LAMP stands for Linux-Apache-MySQL-PHP. It's a group of free software which can be installed together to build a server to host dynamic, database-driven [...]
How to Split Large Text File into Smaller Files in Linux
Linux has several utilities for breaking down large files into small files. Split and csplit are two of the popular commands which are used for this purpose. These utilities will help to break down big log files and even archive [...]
How to Upgrade Docker on Fedora / CentOS
Docker is an open source platform for developing, shipping, and running applications. Docker v17.12 is the latest stable release as of writing this article. It provides the ability to package and run an application in a totally isolated environment called [...]
How to Install PowerShell on Linux Distributions
PowerShell is a task automation and configuration management system developed by Microsoft. It’s includes a commandline shell and a framework for processing cmdlets. Inaddition, it's a very powerful object-oriented scripting language, with classes and methods, built on the .NET Framework. [...]
How to Install and Configure Denyhost in Centos 7 Linux
DenyHosts is an open source software developed in Python language by Phil Schwartz. It is mainly designed to monitor and analyze SSH server logs for invalid login attempts, dictionary-based attacks, and brute force attacks by blocking the originating IP addresses by adding [...]