cgroups

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aptitude install cgroup-bin

Show subsystems and where they are mounted, lssubsys -am:

# lssubsys -am
cpuset /sys/fs/cgroup/cpuset
cpu /sys/fs/cgroup/cpu
cpuacct /sys/fs/cgroup/cpuacct
memory /sys/fs/cgroup/memory
devices /sys/fs/cgroup/devices
freezer /sys/fs/cgroup/freezer
blkio /sys/fs/cgroup/blkio
perf_event /sys/fs/cgroup/perf_event
hugetlb /sys/fs/cgroup/hugetlb

A lot of this information is also found in /proc/vmstat.

mount -t cgroup none /cgroups -o memory