Wednesday, November 24, 2010

Hotplug CPU in Linux

Today playing with a VM machine i tried to hotplug a CPU in linux . Awesome feature handy when troubleshooting cpu load or process cpu scheduling .
First List the cpu Status
# grep "processor" /proc/cpuinfo

To disable cpu1 do the following
# echo 0 > /sys/devices/system/cpu/cpu1/online

To enable cpu1 do the following
# echo 1 > /sys/devices/system/cpu/cpu1/online

Wednesday, November 10, 2010

F5 Virtual edition

Sorry guys i have been out for a long time but i have lots of pending posts but due to shifting to Delhi cannot complete them will be arriving at your Inbox soon.

I found this F5 vmware appliance which can be very helpful in understanding the F5 working design

LINK


Create a account on F5 site and it will generate license keys for you to use .