prctl
show
current value
|
$ id -p oracle
uid=501(oracle) gid=100(oinstall)
projid=100(group.oinstall)
$ prctl -n project.max-shm-memory -i project
group.oinstall
|
Show
current user value
|
$ su -
oracle
$ prctl
-n project.max-shm-memory -i process $$
|
Add
project
|
$ projadd user.oracle
$ projadd group.oinstall
|
Set value
on-the-fly
|
$
prctl -n project.max-shm-memory -v 40gb -r -i project group.oinstall
$ prctl -n project.max-sem-ids -v 256 -r -i project
group.oinstall
|
Set
persistent
|
$ projmod -sK "project.max-shm-memory=(privileged,40G,deny)"
group.oinstall
|
projmod
rename an
existing project name (from user.oracle to group.oinstall)
|
$ projmod
-l group.oinstall user.oracle
|
to remove
a value, use -r and -K
|
$ projects -l default
default
projid : 3
comment: ""
users : (none)
groups : (none)
attribs:
project.max-shm-memory=(privileged,103079215104,deny)
project.max.shm-memory=(privileged,15G,deny)
$ projmod -r -K
project.max-shm-memory default
$ projects -l default
default
projid : 3
comment: ""
users : (none)
groups : (none)
attribs: project.max.shm-memory=(privileged,15G,deny)
attribs: project.max-shm-memory=(privileged,42949672960,deny)
$ projmod -r -K
project.max.shm-memory default
$ projects -l default
default
projid : 3
comment: ""
users : (none)
groups : (none)
attribs:
|
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