→Syslog

according to Wikipedia (https://en.wikipedia.org/wiki/Syslog): In computing, syslog is a widely used standard for message logging. ... [syslog] has since become the standard logging solution on Unix-like systems. A variety of implementations also exist on other operating systems and it is commonly found in network devices, such as routers.

It is possible to log traces of the runtime system in the syslog of some target systems.