Difference between revisions of "Set up serial console to view system log"

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* Get a null modem serial cable and connect the systems to each other
 
* Get a null modem serial cable and connect the systems to each other
* Start minicom on the monitoring system with "minicom ttys0"
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* Start minicom on the monitoring system with "minicom ttys0" (using the name of the minicom profile you saved above)
 
* Reboot monitored system, the console should be displayed on the monitoring system
 
* Reboot monitored system, the console should be displayed on the monitoring system

Revision as of 16:51, 17 August 2007

  • 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"


  • Get a null modem serial cable and connect the systems to each other
  • Start minicom on the monitoring system with "minicom ttys0" (using the name of the minicom profile you saved above)
  • Reboot monitored system, the console should be displayed on the monitoring system