Monit vs s6
Monit
mmonit.coms6
skarnet.orgSide by side
| Figure | Monit | s6 |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| macOS | Yes | — |
| Linux | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · Process Monitoring Software | 7.8 (#10) | 7.2 (#23) |
| Integrations | Monit works with init, upstart, and systemd and can use existing run-level scripts to manage services. | Related projects include s6-linux-init, s6-rc, s6-frontend, and s6-overlay for Docker images. |
| Purpose | Monit is an open-source utility for managing and monitoring Unix systems, with automatic maintenance and repair actions for errors. | s6 is a small suite of UNIX programs for process supervision and low-level administration of processes and services. |
| Security | The maker says Monit is built with OpenSSL 3.5.7 statically linked and PAM support dynamically linked. | The s6 page describes the suite as small and secure and lists utilities for access control and privilege handling; it does not state a security certification. |
Plans
In their own words
Monit
Monit is a free, open-source utility for managing and monitoring Unix systems, available for Linux, macOS, and self-hosted deployment. It watches local daemon processes and can restart a stopped process or stop one using too many resources. It checks files, directories, and filesystems for timestamp, checksum, or size changes, and tests TCP, UDP, and Unix domain sockets using protocols such as HTTP and SMTP. Scheduled program or script checks can trigger actions or alerts based on exit values. Monit tracks CPU, memory, system load, and network interfaces, and sends customizable error alerts to syslog or its own log. Its HTTP(S) interface displays service status and allows process control and monitoring changes. It works with init, upstart, and systemd, can use existing run-level scripts, and can run as PID 1 in containers. The maker says it uses statically linked OpenSSL 3.5.7 and dynamically linked PAM support.