Unix solaris commands
Use prstat to see the Processes and CPU loadUse vmstat 2 2 to indicate the free memoryUse iostat to see internal disksUse netstat to see network infoUse mpst...
Recent Posts
The Template Method
use template method when you need a base class to contain a certain behaviour with some base algorithms while having the subclasses implement those other b...
Patterns delegation
use delegation when you need an object to contain behaviour of two other objects containing the same methods.some object pretending to be another object but...
Patterns abstract factory
use abstract factory if you need platform independence, for example if you have an api that creates buttons and you need to modify the library so that you ...
Apache virtualhost mod_proxy example
How to setup a virtualhost in Apache for example same ip apache 80 port -> tomcat 8080 port (use reverse proxy) apache 19080 port -> tomcat 9080 port(...