I'm writing this network thing and there are always problems that you only recognize during implementation - this is why it's so enlightening to implement stuff.

What I didn't expect is getting stuck because I can't write to a damn log file as root...

@buherator sounds like SELinux is enabled and enforcing.

@synnfynn nah, no SELinux, and with a brilliant move I now just log to the console :)

@synnfynn FTR this was it: https://unix.stackexchange.com/questions/503111/group-permissions-for-root-not-working-in-tmp/503169#503169