使用kill杀死数据库导致故障的解决案例：
<a href="http://oldboy.blog.51cto.com/2561410/1431161" target="_blank">http://oldboy.blog.51cto.com/2561410/1431161</a>
<a href="http://oldboy.blog.51cto.com/2561410/1431172" target="_blank">http://oldboy.blog.51cto.com/2561410/1431172</a>
<a href="http://www.cnblogs.com/peida/archive/2012/12/20/2825837.html" target="_blank">http://www.cnblogs.com/peida/archive/2012/12/20/2825837.html</a>
IDC机房带宽暴涨问题：CDN，木马
<a href="http://oldboy.blog.51cto.com/2561410/909696" target="_blank">http://oldboy.blog.51cto.com/2561410/909696</a>
防止mysql误操作：
<a href="http://oldboy.blog.51cto.com/2561410/1321061" target="_blank">http://oldboy.blog.51cto.com/2561410/1321061</a>
强制linux不记录敏感历史命令
vim /etc/profile
#HISTCONTROL=ignorespace
sed的替换命令：
sed -i 's#/usr/local/mysql#/application/mysql/bin/mysql#g' /application/mysql/bin/mysqld_safe
