# configure bootloader with IPMI for np04 DAQ servers ###### tags: `DAQ` `protoDUNE` `sysadmin` ## Manual configuration on np04-srv-014 1. make a backup of the current file `cp /etc/default/grub /etc/default/grub-backup` 2. edit the file with the following change: ```sh 5,6c5,7 < GRUB_TERMINAL_OUTPUT="console" < GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=sysvg/root rd.lvm.lv=sysvg/swap rhgb quiet" --- > GRUB_TERMINAL_OUTPUT="serial" > GRUB_SERIAL_COMMAND="serial --speed=115200" > GRUB_CMDLINE_LINUX="console=ttyS0,115200 console=tty0 crashkernel=auto rd.lvm.lv=sysvg/root rd.lvm.lv=sysvg/swap" ``` 3. make a copy of `/boot/grub2/grub.cfg` 4. run `grub2-mkconfig -o /boot/grub2/grub.cfg` 5. review the generated grub file and reboot the system. 6. disbale serial-getty servivce ## Manual configuration on np04-srv-015 <https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/system_administrators_guide/sec-making_persistent_changes_to_a_grub_2_menu_using_the_grubby_tool> `grubby --remove-args="rhgb quiet" --args=console=ttyS0,115200 --update-kernel=ALL`