I recently created a new Ubuntu 22.04 LTS Linux virtual machine. When I attempted to set up the PostgreSQL server…
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Question – How do I list all the collections available in the MongoDB database? MongoDB is a NoSQL database, that…
MongoDB find() method is used to select documents from a specified collection. It also set the cursor position to the…
Cron is a service that runs tasks at specified intervals in Unix/Linux systems. It’s commonly used for operational tasks like…
Running a job every 5 minutes is a commonly used cron schedule. In this quick how-to article, you will learn…
Sometimes the shell scripts are required to run as the root user to perform some tasks with administrator privileges. Generally,…
The use of the YYYY-MM-DD date format in shell scripting is highly beneficial for ensuring consistency, clarity, and sorting efficiency…
Boolean variables are an essential part of programming, as they represent true or false values and are often used to…
With the latest version of Ubuntu 22.04 and Debian 11, users start getting a warning message during the GPG key…
The default CORS policy doesn’t allow S3 content to other origins, even if the repository is public or hosting a…