http://www.ibm.com/developerworks/cn/linux/l-cn-dumpanalyse/
https://www.kernel.org/pub/linux/utils/kernel/    
http://seanlook.com/2014/11/03/one-troubleshooting-for-centos-corrupt/  :记一次错误卸载软件包导致Linux系统崩溃的修复解决过程   mysql
http://smilejay.com/2016/04/centos7-kdump-configuration/   +kvm