Friday, September 19, 2014

How To setup Kdump on Linux (Redhat/CentOS 6)?

1) Install kdump package using YUM

yum -y install kexec-tools

2) Once installed, check /etc/init.d/kdump file/service should be available

ls -l /etc/init.d/kdump

3) Enable kdump at boot

chkconfig kdump on

4) Reboot server for kdump to take effect (new initrd will be generated)

5) Once rebooted kdump status should be Operational

service kdump status

if it's not Operational check error with

service kdump restart/start

If error is "Memory for crashkernel is not reserved" follow given link

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