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---
module: pam_limits
version_added: "2.0"
author:
- "Sebastien Rohaut (@usawa)"
short_description: Modify Linux PAM limits
description:
- The C(pam_limits) module modifies PAM limits. The default file is
C(/etc/security/limits.conf). For the full documentation, see C(man 5
limits.conf).
options:
domain:
description:
- A username, @groupname, wildcard, uid/gid range.
required: true
limit_type:
description:
- Limit type, see C(man 5 limits.conf) for an explanation
required: true
choices: [ "hard", "soft", "-" ]
limit_item:
description:
- The limit to be set
required: true
choices:
- "core"
- "data"
- "fsize"
- "memlock"
- "nofile"
- "rss"
- "stack"
- "cpu"
- "nproc"
- "as"
- "maxlogins"
- "maxsyslogins"
- "priority"
- "locks"
- "sigpending"
- "msgqueue"
- "nice"
- "rtprio"
- "chroot"
value:
description:
- The value of the limit.
required: true
backup:
description:
- Create a backup file including the timestamp information so you can get
the original file back if you somehow clobbered it incorrectly.
required: false
type: bool
default: "no"
use_min:
description:
- If set to C(yes), the minimal value will be used or conserved.
If the specified value is inferior to the value in the file, file content is replaced with the new value,
else content is not modified.
required: false
type: bool
default: "no"
use_max:
description:
- If set to C(yes), the maximal value will be used or conserved.
If the specified value is superior to the value in the file, file content is replaced with the new value,
else content is not modified.
required: false
type: bool
default: "no"
dest:
description:
- Modify the limits.conf path.
required: false
default: "/etc/security/limits.conf"
comment:
description:
- Comment associated with the limit.
required: false
default: ''
notes:
- If C(dest) file doesn't exist, it is created.
s�
- name: Add or modify nofile soft limit for the user joe
pam_limits:
domain: joe
limit_type: soft
limit_item: nofile
value: 64000
- name: Add or modify fsize hard limit for the user smith. Keep or set the maximal value.
pam_limits:
domain: smith
limit_type: hard
limit_item: fsize
value: 1000000
use_max: yes
- name: Add or modify memlock, both soft and hard, limit for the user james with a comment.
pam_limits:
domain: james
limit_type: '-'
limit_item: memlock
value: unlimited
comment: unlimited memory lock for james
- name: Add or modify hard nofile limits for wildcard domain
pam_limits:
domain: '*'
limit_type: hard
limit_item: nofile
value: 39693561
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