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Difference between $host and $http_host in NGINX

NGINX is a popular web server used by many websites. Here is the key difference between $host and $http_host server variable in NGINX.

Sometimes you may need to test multiple variables against a value in python. Here is how to check multiple variables against value

Grep is a powerful utility to search for strings, patterns and words in Linux. Here is how to grep multiple strings, patterns and words.

Nano is a popular text editor in Linux. Here is how to search in Nano Text Editor in Linux.

Sometimes you may need to create user and roles in MongoDB. Here is how to create user in MongoDB.

Sometimes you may need to copy file to multiple directories. Here is how to copy file to multiple directories in Linux.

Python provides a robust error handling mechanism. Here is how to raise exception in Python to catch errors and take action.

PHPMyAdmin is a popular browser-based database management tool for MySQL. Here is how to install PHPMyAdmin in Ubuntu.

MongoDB is a popular NoSQL database used for websites and applications. Here is how to install MongoDB in Ubuntu.

Curl is a useful tool to transfer files and data across systems over a network. Here is how to use curl to download files in Linux.