Clik here to view.
How to Use a Raspberry Pi for Digital Signage
This tutorial will show you how to set up your Raspberry Pi with info-beamer and a TV to use as digital signage for your shop, office, school… or anywhere really. Digital signage is super useful. You...
View ArticlePostgreSQL vs Oracle – What’s the Difference? Which Should I Use?
This article will explain the differences between PostgreSQL and Oracle Database, and help you to decide which you should use in your project (The answer is PostgreSQL). Choosing the right database...
View ArticleClik here to view.
How to Convert a USB Printer to Wireless with a Raspberry Pi
This tutorial will show you how to turn a USB printer into a wireless, AirPrint enabled printer using a Raspberry Pi. The shared printer will be accessible from Windows, Mac and of course, Linux...
View ArticleHow to Install PostgreSQL on Linux (Ubuntu/Debian/Arch/Red Hat/Fedora)
This article will instruct you how to install the PostgreSQL database server on Linux – Red Hat/Fedora, Ubuntu, Debian, and Arch Linux. Installing PostgreSQL on Debian Linux Here’s now to install...
View ArticleHow to Drop/Delete/Destroy a Table Column in PostgreSQL
This quick tutorial will show you how to delete/destroy/drop a table column in a PostgreSQL database. Before you Delete a Table in your Database… There are a few things you should do before you try...
View ArticleHow to Run PostgreSQL in a Docker Container in Linux
This article will demonstrate how to run the PostgreSQL database service in a Docker container. Docker lets you run software in isolated environments that encapsulate specific configurations, software...
View ArticleHow to Drop/Delete/Destroy a Database in PostgreSQL
This short tutorial will show you how to completely delete a database from PostgreSQL, and provide code examples. Before you Delete a Database… There are a few things you should do before you try and...
View ArticleHow to Persist Data When Using PostgreSQL in Docker Containers
This tutorial will demonstrate how to persist PostgreSQL database data when running PostgreSQL in Docker, by storing the data outside of the container. Docker lets you run PostgreSQL without having to...
View ArticleHow to Comment PostgreSQL Queries/Code, and the PostgreSQL COMMENT Statement
This short article will explain the difference between comments in PostgreSQL code and the COMMENT statement, and show you how to use both. It will show you how to add comments to your PostgreSQL...
View ArticleEnabling PostgreSQL Logging and Query Logging
This article explains how to enable query logging in PostgreSQL. One of the most useful features of PostgreSQL includes is query logging, which allows you to better understand the performance of your...
View ArticleHow to Set Up Users and Roles in PostgreSQL
This article will show you how to set up user roles in PostgreSQL, and provide code examples. User roles are one of the best features of the PostgreSQL database system. This feature lets you group...
View ArticleHow to Change A User Password in PostgreSQL
This article will explain how to change a user’s password in PostgreSQL. PostgreSQL is one of the most popular database systems due to its flexibility and support for granular permissions and user...
View ArticlePostgreSQL Configuration: Port/Host, Memory, Temp File Limits
This article will show you how to find your PostgreSQL configuration file, and change the port and host, maximum connections, temporary file and memory limits for PostgreSQL on Linux. Once you have...
View ArticleInstalling/Upgrading VirtualBox Guest Additions on Linux Desktop/Server
This article will describe how to install or update VirtualBox Guest Additions in Linux, showing the commands you need to run. VirtualBox is a free, open source virtualization platform that allows you...
View Article