Picking a Linux distro if it's your first VPS

LYLIX offers three Linux VPS distro options: Debian, AlmaLinux, and Ubuntu Server. If you're new to Linux server work, "which one" is one of the first questions. This article explains the differences in plain language so you can pick on first deploy.

The 30-second version

• Debian if you want stable, conservative, the "default" of the open-source server world. Most tutorials online assume Debian or Ubuntu.
• Ubuntu Server if you want Debian-like but with more first-party commercial polish (Canonical's official support, livepatch for in-place kernel updates).
• AlmaLinux if you're running enterprise software that expects "Red Hat-family" Linux (Asterisk-on-CentOS heritage, ERP systems, Oracle products).

For a brand-new VPS where you don't have a specific reason to pick one, Debian is the safest default.

What "distro" means

All three are Linux. They share the same kernel, the same core utilities, the same packaging philosophy. What differs:

• Package manager — Debian/Ubuntu use apt; AlmaLinux uses dnf. Commands differ; concepts identical.
• Default versions of software — Debian ships older but more stable versions; Ubuntu slightly newer; AlmaLinux focuses on long-term-stable enterprise versions.
• Configuration file locations — small differences (e.g. /etc/apache2/ on Debian vs /etc/httpd/ on AlmaLinux).
• Service names — small differences (apache2 on Debian, httpd on AlmaLinux).
• Community + commercial support — different ecosystems.

Debian — the conservative default

Pros: Largest open-source community, most online tutorials assume Debian or Ubuntu, very stable (software versions don't change mid-release), low surprise factor.

Cons: Sometimes "too stable" — software you want may be 2-3 years behind upstream. Workarounds (backports) exist but add a step.

Pick if: You're learning, you're running standard open-source web/app stacks, you want the most-likely-to-just-work default.

Ubuntu Server — Debian with Canonical's polish

Pros: Slightly newer software than Debian, official paid support available (Ubuntu Pro), Livepatch for kernel updates without rebooting, Snap packages for some apps.

Cons: Slightly more "opinions" from Canonical (Snap, cloud-init defaults, etc.) than vanilla Debian. Some operators find this useful, some find it intrusive.

Pick if: You want Debian-similar with newer software defaults, or you specifically want Livepatch / Ubuntu Pro features.

AlmaLinux — RHEL-compatible

Pros: RHEL-compatible binaries (run enterprise software that wants Red Hat), SELinux on by default (defense-in-depth), long-term release stability (10+ year support cycles).

Cons: Smaller community than Debian/Ubuntu, fewer "personal VPS" tutorials assume Alma. SELinux is great for security but adds a learning curve.

Pick if: You're running RHEL-targeted software (some commercial monitoring, ERP, telecom-specific stacks), you want SELinux protections, or you have prior RHEL/CentOS familiarity.

The other distros people ask about

Often people ask "what about Rocky Linux / Fedora / Arch / OpenSUSE / Gentoo / NixOS?" LYLIX offers the three above; that's the supported list. The reasoning:

• The three cover ~95% of real-world server use cases.
• Maintaining cloud-init templates for many distros has a real ongoing cost.
• For specialty distros, you can install from ISO via the rescue mode (more work; supported as DIY).

Rocky Linux is the most-asked-about omission — functionally similar to AlmaLinux. Both are RHEL-compatible rebuilds; we chose Alma as the supported RPM-family distro.

You can change later

The OS Reload feature in the portal lets you switch distros at any time. Your IP, hostname, and SSH keys are preserved; everything else is rebuilt fresh. So picking "wrong" is fixable — try one for a week, switch if you don't like it.

The data you've put on the VPS is wiped during OS reload — back up first. See the snapshot + off-host backup articles.

What stays the same across all three

• SSH (server side: OpenSSH; client side: any).
• Most major application software (nginx, Apache, MariaDB, PostgreSQL, PHP, Python, Node.js, etc.) runs identically — just install the distro's package.
• Standard CLI tools (grep, sed, awk, find, etc.) behave the same.
• systemd as init system, journald for logs, the standard Linux operational vocabulary.

If you know one, switching to another is a one-week adjustment, not a full retraining.