Comparison

AlmaLinux OS vs Ubuntu

AlmaLinux OS and Ubuntu both land on Worth it.

AlmaLinux OS

Worth it

Confidence: Low

A clear yes for teams running RHEL-compatible servers on a $0 budget, backed by real FIPS 140-3 and Common Criteria certifications.

Worth it

Confidence: Medium

Buy for servers, cloud fleets, and developer workstations . the core OS is free, polished, and battle-tested at scale.

AlmaLinux OS versus Ubuntu
Compare	AlmaLinux OS	Ubuntu
Verdict	Worth it	Worth it
Best for	RHEL-compatible server fleets	Enterprise servers and cloud fleets
Who it's not for	Desktop users wanting plug-and-play polish	Windows-only apps and users (Office, Adobe)
Privacy	No known public vulnerabilities found in the sources reviewed.^¹	Transparent CVE program with fast public patching; two 2026 local privilege-escalation CVEs and a historic Forums breach on record.¹¹
Support quality	Community mailing lists and chat; no SLA shown	Paid Pro support exists; quality unverified
Public sentiment	No independent user reviews were found in the sources reviewed.	Reviewers and Reddit users broadly call Ubuntu polished, free, and reliable for servers, with gripes about switching friction and enterprise costs.^⁴
Biggest gotcha	Free OS, but support means community mailing lists and chat; no named paid-support vendor in sources^¹	Hidden enterprise costs: support contracts, ESM subscriptions, professional services¹⁴