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FYI:
cgconfigparser may send you the error message:
/usr/sbin/cgconfigparser; error loading /etc/cgconfig.conf: This kernel does not support this feature
However, your kernel is probably supporting cgroups, you might as well have a configuration / syntax error in cgconfig.conf
An example is:
group webusers {perm {task {uid=root;gid=root;}admin {uid=root;gid=root;}}memory {memory.limit_in_bytes=1G;}cpu {cpu.shares=UNDEF;}}
Here the cpu.shares value is UNDEF, which is not valid, change this to for example 200, and you are good to go.
memory.memsw.limit
in
bytes missing/unable to set:
root@server:/boot# grep CONFIG
MEMCG
SWAP_ENABLED config-3.13.0-53-generic
CONFIG
MEMCG
SWAP_ENABLED is not set
Rebuild your kernel.