DDoS There is an Apache module that was created to prevent a DDoS attack, although it's probably not installed by default. Follow these steps to install the module. Open the terminal window. Issue the command: $ sudo apt-get -y install…
Anti Bad Bots and Crawlers by User Agent
As we know there are many crawlers and spider, such as Googlebot, Baiduspider. But there are also some crawlers not compliance the rules of robots. That will take more pressure for the server. So we should do something to anti…
Setup Hadoop on Ubuntu (Single-Node Cluster)
Wiki Apache Hadoop is a set of algorithms (an open-source software framework written in Java) for distributed storage and distributed processing of very large data sets (Big Data) on computer clusters built from commodity hardware. All the modules in Hadoop…
Enabling SPDY and HSTS on Apache
Wiki SPDY SPDY is an open networking protocol developed primarily at Google for transporting web content. SPDY manipulates HTTP traffic, with particular goals of reducing web page load latency and improving web security. SPDY achieves reduced latency through compression, multiplexing,…