Tutorials

How to Use SSH Keys with Your Server

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Simply password-protecting your Linux server no longer cuts it (they’re vulnerable to online and offline brute force and dictionary attacks, and people historically are terrible with maintaining secure password practices): you have to secure it with SSH keys. This tutorial will teach you what are SSH keys and how to replace the default Linux password

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How Does Virtualization Work Exactly? (Cloud Explained Series)

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In the first article of this series, we explained that the existence of virtual instances like VPS is possible thanks to technology called virtualization. But how does virtualization itself work in detail? In the second part of Cloud Explained Series, we’re going to talk about how a virtual machine is connected to the hardware, what

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What is a VPS and How Does It Work? (Cloud Explained Series)

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A virtual private server (VPS) allows users to set up their own virtual machine without the need to pay for using the whole capacity of a bare metal server (i.e., vps hosting in a nutshell). Studying the technology behind a VPS is a good start towards understanding the cloud as a whole because VPS instances

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Migration Guide: CentOS to AlmaLinux, Rocky Linux and Other Alternatives

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CentOS 8 Reached End-of-Life on December 31, 2021 With Red Hat officially ending support for CentOS 8, users are forced to migrate to a different operating system. While CentOS 7 remains supported till end of 2024, the life cycle of the newer CentOS 8 was cut short by Red Hat for the end of 2021.

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