Move running tasks to
cgroups. More information: https://manned.org/cgclassify.
cgclassify -g cpu:student 1234
/etc/cgrules.conf configuration file:cgclassify 1234
cgred does not change cgroups of the specific PID and its children (based on /etc/cgrules.conf):cgclassify --sticky -g cpu:/student 1234