Mysql High Availability

SQL Injection & XSS Slides

Django/Python Framework

BASH Shell Scripting Syllabus

Linux HA using LVS/Heartbeat+DRBD+OCFS2

WebSecurity-3/3

WebSecurity-2/3

Hacking 4 Programmer - common attacks and counter measure ...

WebSecurity-1/3

WAF / ModSec + OWASP CRS

Acme Infra

Vertical Scaling & Performance Tuning

Vertical Performance Tuning-MOSC2016

mongoDB-PHPMeetup2010

OSS Presentation