Checking Connection without Telnet

Some of the minimal Linux distributions have no telnet client utility or similar utilities such as nc,ncat unless you install it. Most of time we need to do troubleshooting to check connection if  server/service is accessible. Do not worry–You still have mechanism inside the Linux kernel without installing above utilities. Take a look at below examples […]

Read More →

Minimizing Docker Images with Multistage

When you build your own  docker image from Dockerfile,  each instruction in Dockerfile creates a new layer to your base image with its all dependencies so that even your very tiny application image size may be in 1GiB  size and it is not desirable in the production environment to be such a big size due to […]

Read More →