- Limits the number of processes a user can start to 2000
Mostly in place to prevent fork bombs taking down the host.
- If anyone encounters problems with this number we can raise it
Limits the Memory of some important slices via systemd cgroup management.
- nix-daemon may not use more than 32 GB of Memory
- all users together may not use more than 32GB of Memory
See man systemd.resource-control(5) for more detailed information.