pam_limits

# pam_limits
## 修改文件描述符数和进程数
```yaml
- name: 修改pam limits
  pam_limits:
    backup: true # 备份原文件
    domain: '*' # 为*时表示对所有用户生效
    limit_type: '-' # -表示soft和hard
    limit_item: '{{ item.type }}'
    value: '{{ item.value }}'
  with_items:
  - { "type":"nofile", "value":"{{ NOFILE }}" }
  - { "type":"nproc", "value":"{{ NOPROC }}" }
```

## 帮助文档
`ansible-doc pam_limits`

```yaml
EXAMPLES:

- 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
```