Nagios Core vs Thruk
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Nagios Core
Industry classic host and service monitoring engine
VS
Thruk
Multi-backend monitoring web interface for Nagios family
| Feature | Nagios Core | Thruk |
|---|---|---|
| Category | Monitoring & Status | Monitoring & Status |
| License | GPL-2.0 | GPL-1.0 |
| Language | C | Perl |
| Setup difficulty | Hard | Medium |
| Min. RAM | 512 MB | 512 MB |
| Deployment | bare-metal, docker, source | bare-metal, docker, source |
| GitHub stars | ★ 2,037 | ★ 439 |
| First released | 1999 | 2009 |
| Replaces | SolarWinds, PRTG | SolarWinds |
Why pick each one
Frequently asked questions
Is Nagios Core or Thruk better?
Neither is universally better. Nagios Core has the larger community, while Thruk is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Nagios Core and Thruk free and open-source?
Yes. Nagios Core is licensed under GPL-2.0 and Thruk under GPL-1.0. Both can be self-hosted at no software cost.
Can I run Nagios Core and Thruk with Docker?
Nagios Core: yes. Thruk: yes.