Set up serial console to view system log

• Get a null modem serial cable and connect the systems to each other

• On system doing the monitoring:
  • Start minicom -s -o
    • Under "Serial Port Setup:"
      • Set Serial Device (A) = /dev/ttyS0
      • Set BPS/Par/Bits (E) = 115200 8N1
      • Set Hardware Flow Control (F) = Yes
      • Set Software Flow Control (G) = No
    • Under "Modem and dialing" clear:
      • Init String (A)
      • Reset String (B)
      • Hang-up string (K)
    • Save profile with a name like "ttyS0"

• On the system to be monitored:
  • edit /etc/grub.conf and add kernel boot parameters "console=tty0 console=ttyS0,115200"

• Start minicom on the monitoring system with "minicom ttys0"
• Reboot monitored system, the console should be displayed on the monitoring system