In linux to create alias or shortcut of any command we use alias command. We will create alias for ls -ltr command.
A Docker is designed to make developers life easier. Container based design helps developers to build, run and deploy applications in easier way with no dependencies. Docker helps to manage application and its dependencies in easy manner.
jpegoptim and optipng these are two tools for optimising and reducing image size in linux terminal. These tool are very useful when you are serving images on website. This will help you to reduce loadtime for static content in website.