Category: Tutorials

What is Mastodon?

Mastodon is a free, open source software written in Ruby on Rails and JavaScript (React.js and Redux). It is designed for running self-hosted social networking services. In terms of microblogging features, Mastodon is very similar to Twitter. It provides a huge number of running Mastodon nodes, and every instance has its own moderation policy, code of conduct, and terms of service.

Strict mode in MySQL and MariaDB controls the handling of invalid or missing values in data-changing queries. This includes INSERT, UPDATE, and CREATE TABLE statements. With MySQL strict mode enabled, which is the default state, invalid or missing data may cause warnings or errors when attempting to process the query.

Transferring small files to your new Windows Server can be a hassle when first setting everything up. Plesk, file transfer protocol (FTP), or network file sharing might not be ready to use, or your Internet service provider (ISP) may block those web ports.

What is a GitHub gist?

One of GitHub's most innovative features is Gist, which lets you store and distribute code snippets without setting up a full-fledged repository. Code strings, bash scripts, markdown, text files, and other small pieces of data are all acceptable alternatives to just code snippets. It can be used to quickly distribute a piece of code to others for anything like a demonstration, a how-to, or any solution without setting up a standard repository. Additionally, you can use it to embed elsewhere or on your website.

Discourse is open source software for community discussion. An example would be if you wanted to add a place for community discussion for a company. Many well-known companies use Discourse for their community, such as Atlassian, Figma, Asana, New Relic, and Cloudflare.

What is a DNS Zone?

A Domain Name System (DNS) zone is the area of the DNS namespace under the control of one particular administrator or organization. A DNS zone is a space for the administration that enables more precise control over DNS elements like authoritative nameservers. The DNS root domain is at the top of a hierarchical tree representing the domain name space.

Ever found yourself in a situation where you want to use Docker but don’t have root access? Or perhaps you wish to provide Docker access to your team or clients but aren’t comfortable giving them root privileges.

What is ESXi vSphere?

VMware vSphere is a virtualization platform that creates aggregated computing infrastructures consisting of networking resources, CPU, and storage out of data centers. The main elements of vSphere are vCenter Server and ESXi, formerly VMware vSphere Hypervisor. It is a bare-metal hypervisor installable directly on your server or Workstation.

What is a Symbolic Link?

A symbolic link, sometimes called a symlink or soft link, is a file in Linux that points to other files or directories (folders) and represents their absolute or relative path. A symlink is similar to shortcuts in Windows and is useful when you need quick access to files or folders with long paths.

What is OpenSSL?

OpenSSL is an open source software cryptography library widely used by applications to encrypt communication over computer networks using Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It's licensed under Apache License 2.0, so you can use it for commercial and non-commercial purposes.