General Articles
(Resolved) Key is stored in legacy trusted.gpg Keyring
I recently created a new Ubuntu 22.04 LTS Linux virtual machine. When I attempted to set up the PostgreSQL server…
Category: General Articles
General Articles
How to list all collections in MongoDB database
Question – How do I list all the collections available in the MongoDB database? MongoDB is a NoSQL database, that…
General Articles
Mongodb – Get the last record from collection
MongoDB find() method is used to select documents from a specified collection. It also set the cursor position to the…
General Articles
Running a Cron Every 10, 20 or 30 Minutes
Cron is a service that runs tasks at specified intervals in Unix/Linux systems. It’s commonly used for operational tasks like…
General Articles
Running a Cron Every 5 Minutes
Running a job every 5 minutes is a commonly used cron schedule. In this quick how-to article, you will learn…
General Articles
Check if a script is running as root user in Linux
Sometimes the shell scripts are required to run as the root user to perform some tasks with administrator privileges. Generally,…
General Articles
YYYY-MM-DD Date Format In A Shell Script
The use of the YYYY-MM-DD date format in shell scripting is highly beneficial for ensuring consistency, clarity, and sorting efficiency…
General Articles
Using Boolean Variables in Shell Scripts: Syntax, Examples, and Best Practices
Boolean variables are an essential part of programming, as they represent true or false values and are often used to…
General Articles
(Resolved) Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead
With the latest version of Ubuntu 22.04 and Debian 11, users start getting a warning message during the GPG key…
General Articles
How To Configure CORS in Amazon S3 Buckets
The default CORS policy doesn’t allow S3 content to other origins, even if the repository is public or hosting a…