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Nagios vs Sysdig: What are the differences?
Developers describe Nagios as "Complete monitoring and alerting for servers, switches, applications, and services". Nagios is a host/service/network monitoring program written in C and released under the GNU General Public License. On the other hand, Sysdig is detailed as "Open source container monitoring for all Linux container technologies, including Docker, LXC, etc". Sysdig is open source, system-level exploration: capture system state and activity from a running Linux instance, then save, filter and analyze Sysdig is scriptable in Lua and includes a command line interface and a powerful interactive UI, csysdig, that runs in your terminal. Think of sysdig as strace + tcpdump + htop + iftop + lsof + awesome sauce. With state of the art container visibility on top..
Nagios and Sysdig belong to "Monitoring Tools" category of the tech stack.
Some of the features offered by Nagios are:
- Monitor your entire IT infrastructure
- Spot problems before they occur
- Know immediately when problems arise
On the other hand, Sysdig provides the following key features:
- Real-Time Dashboard
- Historical Replay
- Dynamic Topology
"It just works" is the top reason why over 49 developers like Nagios, while over 2 developers mention "Easy setup" as the leading cause for choosing Sysdig.
Nagios and Sysdig are both open source tools. It seems that Sysdig with 5.7K GitHub stars and 530 forks on GitHub has more adoption than Nagios with 60 GitHub stars and 36 GitHub forks.
Uber Technologies, Dropbox, and 9GAG are some of the popular companies that use Nagios, whereas Sysdig is used by Vungle, CommonBond, and Gini. Nagios has a broader approval, being mentioned in 177 company stacks & 40 developers stacks; compared to Sysdig, which is listed in 5 company stacks and 4 developer stacks.
- free open source
- modern interface and architecture
- large community
- extendable I knew Nagios for decades but it was really outdated (by its architecture) at some point. That's why Icinga started first as a fork, not with Icinga2 it is completely built from scratch but backward-compatible with Nagios plugins. Now it has reached a state with which I am confident.
Pros of Nagios
- It just works53
- The standard28
- Customizable12
- The Most flexible monitoring system8
- Huge stack of free checks/plugins to choose from1
Pros of Sysdig
- Powerful web app5
- Easy setup5
- Monitoring5
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