Learn Linux

The best way to learn Linux, ranked by what employers ask for

267 of 7,771 live roles ask for Linux. 9 courses and certificates compared: paid, free with a certificate, free, and trusted videos. The best free start is Relational Database (freeCodeCamp).

Live roles ask

267

3% of the board

Options compared

9

courses & certificates

Four ways to learn it

Linux, from certified programme to free video

The best option of each kind, ranked on how well-regarded it is, what it costs to finish with a certificate, and how squarely it teaches this. The ringed one is where most people should start. Sponsorship plays no part.

Certified programme4 comparedFree certificate1 comparedFree course2 comparedTrusted video2 compared

Linux

267 live roles ask for it

Certified programmeCertified Kubernetes Administrator (CKA)

Linux Foundation

PaidProctored exam

Useful, with trade-offs

Worth consideringStart
Free certificateRelational Database

freeCodeCamp

Free · free certificateFree certificate~60 weeks

Useful, with trade-offs

Worth consideringStart
Free courseMigrate Linux and PostgreSQL Workloads to Azure

Microsoft Learn

Free5 h

Useful, with trade-offs

Worth consideringStart
Our pickTrusted videoIntroduction to Linux – Full Course for Beginners

freeCodeCamp.org

Free6 h3.3M views

One of the strongest ways to learn Linux

Take itWatch

Who asks for it

Where Linux is asked for

  • Software engineering178 roles
  • Security30 roles
  • Data18 roles
  • AI and machine learning4 roles

Roles

Jobs that list it

Software EngineerSite Reliability EngineerSupport EngineerLinux EngineerConsulting EngineerNetwork EngineerStaff+ Software EngineerAssigned Support EngineerIT Operations EngineerSecurity Research Engineer

Everything else

More ways to learn Linux

Best first, with the verdict and what each costs.

Often asked for together

Skills that come with Linux

Questions

Learning Linux

Is Linux worth learning?

267 of the 7,771 live roles on insiderOne ask for it (3%), most often in software engineering roles (178).

Can I learn Linux for free?

Yes. Relational Database from freeCodeCamp is free, and so is its certificate. Of the options compared here, it is the best one that costs nothing.

What is the best way to learn Linux?

For most people, Introduction to Linux – Full Course for Beginners (freeCodeCamp.org, free). It is ranked on how well-regarded it is, what it costs to finish with a certificate, and how squarely it teaches Linux. Sponsorship plays no part.

Your own plan

Linux is one skill. Which ones is your next role missing?

Tell insiderOne where you're headed and it reads the live board for the gaps between you and it, then ranks a way to learn each one for your budget. Free to start.

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Counts from 7,771 live roles, updated 14 September 2026.