How to install Docker Compose on CentOS 8

⚠ Two updates since the original article: (1) CentOS 8 reached end-of-life on 31 December 2021 – use AlmaLinux 9, Rocky Linux 9, or CentOS Stream. (2) Docker Compose v1 (the docker-compose command) is deprecated. Compose v2 is now a Docker plugin, run as docker compose (with a space). The steps below use the current […]

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How to upgrade PHP version on CentOS 7

⚠ CentOS 7 reached end-of-life on 30 June 2024. It no longer receives security updates. If you’re still on CentOS 7, plan a migration to AlmaLinux 9 or Rocky Linux 9 – both are free, RHEL-compatible successors. The modern steps are included below. PHP updates matter for both security and performance – each major version […]

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NVMe vs SSD vs HDD – Overview and Comparison

When you choose a server or an upgrade, the storage type has a bigger impact on real-world speed than almost any other component. There are three options you’ll see: HDD (traditional hard drives), SATA SSD (solid-state drives), and NVMe SSD (the fastest solid-state drives). They differ enormously in speed, and understanding the gap helps you […]

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Configuring IP aliasing

IP aliasing is a special network configuration for your dedicated servers you to associate multiple IP addresses with a single network interface.

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