Ansible: lineinfile

https://docs.ansible.com/ansible/latest/collections/ansible/builtin/lineinfile_module.html

  - lineinfile:
       path: /etc/default/sysstat
       state: present
       backrefs: yes
       regexp: '^ENABLED="false"'
       line: 'ENABLED="true"'

Configure user to be able to use sudo with no password:

   - lineinfile:
        path: /etc/sudoers
        state: present
        insertafter: '^%sudo'
        line: 'YOUR_USERNAME ALL=(ALL) NOPASSWD: ALL'
        validate: 'visudo -cf %s'

   - lineinfile:
        path: /path/to/your_file
        state: present
        insertafter: EOF
        line: 'your text line to add at end of file. For multiple lines use blockinfile'

Examples

• Configure user to be able to use sudo with no password (lineinfile)
• Install and configure sysstat using Ansible (package, lineinfile, service)

Related terms

• sed
• Ansible playbooks examples
• Puppet
• replace module https://docs.ansible.com/ansible/latest/collections/ansible/builtin/replace_module.html#ansible-collections-ansible-builtin-replace-module
• Template (Ansible)
• backup:
• ansible.builtin: ansible.builtin.file
• blockinfile:
• file (Puppet)

See also

• sed, gsed, -n, -i, Ansible: replace, append, Chef: Editing a file‎‎, lineinfile
• Ansible modules: gather_facts, set_fact, ansible.builtin.file, lineinfile, stat, group, mount, git:, package:, command:, shell:, raw:, template:, register:, user:, Ansible playbooks examples, tasks:, lineinfile, blockinfile:, shell:, command:, raw:, ansible.builtin.file, service:, aws.ecs_taskdefinition, aws.asg, docker_container, kubernetes.core.k8s, community., include_tasks