The Linux Compendium
To change the time zone on Ubuntu Linux, you can follow these steps: Using timedatectl on the Command Line Open the Terminal: You can open the terminal by pressing Ctrl + Alt + T. Check Current Time Zone: Before changing the time zone, you can check the current one using the following command: timedatectl This … Read more
This article shows common errors that were seen on Apache web servers. Apache Error Categories Errors can generally be assigned one of the following categories. Client-Side Errors (400 Series) 404 Not Found: The most common error indicates that the requested resource is not available on the server. 403 Forbidden: Access to the requested resource is … Read more
If you are using an Ubuntu system with multiple users and one of the other users asks you to use the system, you have two options for giving the system to him. One is to switch users, and the other is to log out of your user session for the other person. The difference between … Read more
Flarum is the next-generation forum software that makes online discussions fun. It is simple, fast, and free. The source code of Flarum is hosted on GitHub. This guide will walk you through the installation process of Flarum on an Ubuntu system with PHP, MySQL as a database, and Nginx as a web server. Requirements Before … Read more
CiviCRM is a free, open-source, and cloud-based CRM system specifically tailored to the needs of non-profit, civil society, and association-based organizations. CiviCRM can be installed with WordPress, Drupal or Joomla to track contacts and their relationships with projects and initiatives. Many well-known organizations use CiviCRM, including the Free Software Foundation, Creative Commons, Amnesty International, and … Read more
phpMyAdmin is a free open source software written in PHP. It was developed for beginners to manage MySQL and MariaDB databases via the web interface. It has a simple, user-friendly and powerful web interface with which you can manage MySQL databases, user accounts and authorizations, execute SQL statements and import and export data via the … Read more
PostgreSQL is a free and open source relational database management system. It is very popular worldwide due to its high stability, performance and data integrity. It offers an implementation of the SQL query language. It was developed specifically for business-critical applications. It offers a variety of features such as nested transactions, multiversion concurrency control, table … Read more
OpenNMS is a free and web-based network management and monitoring solution developed and supported by a community of users. It is written in Java and collects important information from local and network hosts via the SNMP protocol. It is cross-platform and can be installed on Linux and Windows operating systems. It has a simple and … Read more
Apache Solr or Solr is an enterprise-grade search platform based on the Apache Lucene library. Solr stands for Searching On Lucene with Replication and is a free, open-source search platform written in Java. Solr is one of the most popular search platforms in the industry and offers high availability with replication and automatic failover and … Read more
pgAdmin is a powerful open source tool for the administration of PostgreSQL databases. It is specifically designed to monitor and manage multiple PostgreSQL databases via a web browser. It has a simple and user-friendly web-based interface for interacting with the PostgreSQL database. It is very useful for beginners who are not familiar with the PostgreSQL … Read more