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Netconsole

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Revision as of 15:38, 21 August 2009 by Docadmin (talk | contribs)
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Netconsole with UDP

  • Configuring netconsole on the 2.6 kernel
    • 1) add this line "netconsole=[src-port]@[src-ip]/[<dev>],[tgt-port]@<tgt-ip>/[tgt-macaddr]" in your boot command line.
    • 2) bootup the netconsole machine.
    • 3) 2.6 netconsole has been setup.
  • Configure conman over netconsole, download conman from ftp://www.clusterfs.com/pub/conman
    • 1) edit your /etc/conman.conf, make sure you have set SERVER logdir, SERVER logfile, SERVER port,
      • add following line in /etc/conman.conf
      • NETCONSOLE name="netconsole" dev="client1_ip_address:client1_port" (clientX is netconsole machine)
      • NETCONSOLE1 name="netconsole" dev="client2_ip_address:client2_port"
      • ............
    • 2) start conmand server conmand
    • 3) start conman netconsole with conman -d conmand_server_ip:conmand_server_port NETCONSOLEx
    • 4) Input sysrq command (& + S + sysrq_command) over conman netconsole, you will get the result in conman netconsole


There is a netconsole patch available that supports kernel level network logging over UDP. More information and a link to the kernel patches can be found at: [1].


  • LinuxDebugging