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Archive for March, 2017

Reset Xerox Spooler

Unplug the machine from power for five minutes.

Plug it back in, but dont turn it on.

  1. Press and hold down the [6] button on the numeric keypad, the [Energy Saver] and the [Stop] buttons
  2. Then, only once you are holding those buttons, power on the machine. Continue to hold down the three buttons until the Touch Screen displays several lines, goes blank and then displays lines again.
  3. Release the buttons. The machine will continue its normal boot up procedure to initialize the spool disk.

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TCP Offload

IF your having slow network on your Centos box best you check for TCP offloading issues.

tcpdump -i eth1 -v -nn| grep -i incorrect

 

If you get a lot of

103.4.122.47.22 > 103.4.123.36.53996: Flags [P.], cksum 0xc3d6 (incorrect -> 0xd4eb), seq 7496:7592, ack 9003, win 559, length 96

 

then try

ethtool -K eth0 rx off tx off sg off tso off ufo off gso off gro off lro off

 

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