{{tag>[centos serial]}} =====CentOS 6 enable serial console===== * Enable serial console. grubby --update-kernel=ALL --args='console=tty0 console=ttyS0,9600n8' * Add to **/etc/grub.conf**. serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1 terminal --timeout=1 serial console * Reboot and test.