Technical Stuff

Codefest is online CTF challenge conducted by Hackerrank on August 31 2018 6:00 PM IST to September 1 2018 12:00 PM IST. They have given dozens of challenges.  link: https://www.hackerrank.com/contests/codefest-ctf-18/challenges I manage to complete two challenges in this article i will explain how i solved the two  Typing Master Question If you think you have it in you, connect now to 34.216.132.109 9093 and prove your mettle. You will be presented with a simple typing task which is meant to check your typing speed. For example, Can you type 'Z' 10 times followed by 'u' 6 times, followed by the sum of their ASCII values? ZZZZZZZZZZuuuuuu207 Input Format Regarding input to the server - The question was designed keeping netcat in mind. Some users who are using other tools/language (eg, Python, PuTTY, TELNET) to connect to the server please note that they do not terminate the strings like netcat does. If you choose not to use netcat, t...

Docker is used to run software packages called "containers". Containers are isolated from each other and bundle their own tools, libraries and configuration files; they can communicate with each other through well-defined channels                                                                                                --Wikipedia  I have already written a article about the containers you can check out in here https://thangaayyanar.blogspot.com/2018/06/containers.html This time, let's learn more about docker engine how we can use this. The important things we need to know in docker are Docker Image:  The container can be created with the help of Image. The Image file consists of code, libraries, environment variable...