--- /dev/null
+---
+- name: enable serial console in grub and for kernel
+ with_items:
+ - regexp: '^GRUB_TIMEOUT='
+ line: 'GRUB_TIMEOUT=2'
+ - regexp: '^GRUB_CMDLINE_LINUX='
+ line: 'GRUB_CMDLINE_LINUX="console=ttyS0,115200n8"'
+ - regexp: '^GRUB_TERMINAL='
+ line: 'GRUB_TERMINAL=serial'
+ - regexp: '^GRUB_SERIAL_COMMAND='
+ line: 'GRUB_SERIAL_COMMAND="serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1"'
+ lineinfile:
+ dest: /etc/default/grub
+ regexp: "{{ item.regexp }}"
+ line: "{{ item.line }}"
+ notify: update grub