Serial Terminal Configuration in RHEL Distribution Rumi, September 5, 2024 Serial Terminal Configuration in RHEL 7 Add, or update if already present, the following lines to /etc/default/grub: GRUB_CMDLINE_LINUX_DEFAULT=”console=tty0 console=ttyS0,115200n8″ GRUB_TERMINAL=serial GRUB_SERIAL_COMMAND=”serial –speed=115200 –unit=0 –word=8 –parity=no –stop=1″ GRUB_CMDLINE_LINUX_DEFAULT applies this configuration only to the default menu entry, use GRUB_CMDLINE_LINUX to apply it to all the menu entries. NOTE: each line type… Continue Reading
Setting default boot kernel in Grub on Debian/Ubuntu Rumi, June 6, 2014 In a terminal, run sudo update-grub Then, type grep menuentry /boot/grub2/grub.cfg Counting from 0, find the number of the line containing the 2.6 entry you want. Set that as default in /etc/default/grub and run sudo update-grub again. Since the option for "Other Linux Versions" is on line 3 of… Continue Reading