Getmail is a powerful email retrieval program for Ubuntu Linux that can be used to download and store emails from remote mail servers. It supports POP3, IMAP, and SDPS protocols, so you can configure it to work with your current email provider to download messages and store them on your local computer or server. Additionally, ... Read more
This tutorial shows you how to configure Postfix mail server on Ubuntu 22.04 to relay email through Gmail. The first step is to install Postfix (if you have not done that yet). Install Postfix SMTP server sudo apt-get install postfix mailutils libsasl2-2 ca-certificates libsasl2-modules Configure Postfix to relay email Now open the Postfix main configuration ... Read more
Mono Framework is an open-source software framework that can be used to create all kinds of Server and Desktop applications, incl. games. Mono Framework is dependency-free (No C++ compiler required) and compatible with Windows, Linux, Mac OS X and FreeBSD. Mono Framework started as a fork of Microsoft’s .Net Framework v1.0 but now has become ... Read more
Gradle is a build automation tool with a focus on extensibility and performance. It can perform tasks related to software compilation, deployment, testing, static analysis (e.g., linting), and more. Gradle is straightforward to learn if you are new to automated builds or want an alternative solution for any of the above tasks that your current ... Read more
This short guide will show you how to revoke and safely remove an SSL certificate that was obtained using the acme.sh let's Encrypt client. To remove a Let's Encrypt SSL certificate using the acme.sh command on Linux, follow these steps: Connect to your server via SSH or open a command prompt (console). Run the command: ... Read more
A database is a place where you store information. Cassandra is a type of database that is different from most databases because it does not use tables. Cassandra was developed by Facebook in 2008 as part of Facebook’s Open Compute Project. Cassandra is a NoSQL database that combines the speed of a key-value store with ... Read more
Puttygen is a tool to generate public and private SSH Keys in server applications. The SSH keys are created in the pkk format by putty but they can also be converted into other formats as used by OpenSSL. PuttyGen is available for Windows, Linux & Macintosh computers (MacOS). Putty comes with a GUI for Windows, ... Read more
You might have noticed that Ubuntu has since version Ubuntu 22.04 started to show the following message when you install or update software: Which services should be restarted? While there might be cases where you have a setup that requires a specific service not to be restarted automatically after an update, in most cases, it's ... Read more
Google's Chrome browser has been on the scene since 2008 and has slowly but surely been making inroads in the browser market. As of 2022 Chrome browser has about 77% global market share when it comes to web browsers, followed by Safari at 8.8%, Firefox at 7.7%, and Internet Explorer/Edge at 7.9%. Microsoft's once-dominant IE ... Read more
In this guide, I will show you how to find your IP address (private IP address and public IP address) on Ubuntu Linux. I will also cover the steps for an IP location lookup to get IP location of my ipaddress, this will also show my isp. The same steps will work on other Linux ... Read more