Set cpu mem limits

https://www.virtualmin.com/node/11286

https://www.systutorials.com/docs/linux/man/5-limits.conf/

instellingen zien

ulimit -a

https://unix.stackexchange.com/questions/108603/do-changes-in-etc-security-limits-conf-require-a-reboot/194581

https://unix.stackexchange.com/questions/230346/how-to-check-ulimit-usage

https://wiki.debian.org/Limits