Both distribution families are excellent, production-proven choices for a VPS — the right choice depends on your specific ecosystem, team familiarity, and application requirements.
Quick Comparison
| Factor | AlmaLinux/Rocky Linux | Ubuntu/Debian |
|---|---|---|
| Package manager | dnf | apt |
| Release cadence | Tracks RHEL's long, stable release cycle | Ubuntu: regular + LTS releases; Debian: very stable, longer cycles |
| Default security | SELinux enabled by default | AppArmor (Ubuntu) or often nothing by default (Debian) |
| Firewall tool | firewalld | UFW (Ubuntu) or manual iptables (Debian) |
| Enterprise/RHEL compatibility | Binary compatible with RHEL | Not RHEL compatible |
| Community size/documentation | Smaller but growing | Very large, extensive documentation |
Choose AlmaLinux/Rocky Linux If:
- Your organization standardizes on RHEL in other environments and wants consistency
- You're running software specifically certified/tested against RHEL
- You want SELinux's mandatory access control enabled by default without extra setup
- Your team already has RHEL/CentOS administration experience
Choose Ubuntu/Debian If:
- You want the largest possible community, documentation, and tutorial base (Ubuntu specifically)
- Your application's official documentation and Docker images primarily target Ubuntu/Debian
- You prefer apt's package management workflow
- You want the most current package versions readily available (Ubuntu specifically, given its more frequent release cycle)
Software Availability Considerations
Most modern software (Docker, Node.js, Python) is available on both distribution families through official or well-maintained third-party repositories — software availability is rarely the deciding factor today, though Ubuntu/Debian often sees new releases and community tutorials first, given its larger installed base among VPS users.
Learning Curve Considerations
SELinux's default-enabled state on AlmaLinux/Rocky Linux introduces a genuine learning curve if you're used to Ubuntu/Debian's more permissive defaults — permission issues that would "just work" on Ubuntu can require an SELinux context fix on AlmaLinux/Rocky Linux. This is a meaningful trade-off: more initial friction for genuinely stronger default security.
Release Stability Considerations
RHEL-family distributions (including AlmaLinux/Rocky Linux) prioritize long-term stability with fewer, more conservative updates — appropriate for environments valuing predictability over having the latest package versions. Debian follows a similar philosophy; Ubuntu balances stability (LTS releases) with more frequent non-LTS releases for those wanting newer packages.
Docker/Containerized Workloads
If you're primarily deploying via Docker containers, the underlying host OS matters less — both distribution families run Docker well, and your application's actual runtime environment is defined by the container image, not the host OS. In this scenario, host OS choice can come down more to team familiarity and default security posture (SELinux vs AppArmor).
A Practical Recommendation
For most new projects without a specific RHEL requirement, Ubuntu LTS remains the most common, best-documented default choice, especially for teams newer to Linux administration. AlmaLinux/Rocky Linux is a strong choice specifically when RHEL compatibility, SELinux's default security posture, or existing organizational standardization matters.
FAQ
Is one distribution family objectively more secure than the other?
Not inherently — both can be equally secure when properly configured; SELinux's default-on state gives AlmaLinux/Rocky Linux a stronger out-of-the-box security posture, but Ubuntu/Debian can be hardened to a comparable level with deliberate configuration (AppArmor, proper firewall setup).
Continue Reading
- AlmaLinux vs Rocky Linux vs CentOS: What Happened to CentOS?
- How to Get Started with AlmaLinux/Rocky Linux on a VPS
- Understanding SELinux Basics on AlmaLinux/Rocky Linux
Browse more articles in AlmaLinux & Rocky Linux.
