After 10K user for arabuldinle.com, i understood that optimization is very very important. In this article, I’ll explain optimization error that i have faced.  Also i researched some monitoring command such as top,mytop,free,iostat so you can find information about these command in detail. Session Error Error code: Warning: session_start() [function.session-start]: open(/var/lib/php5/ …) Because i’m using … Read more →