Question: How do I convert all the characters to the lowercase of a string in the bash shell script? In…
I recently created a new Ubuntu 22.04 LTS Linux virtual machine. When I attempted to set up the PostgreSQL server…
A collation is a set of rules that defines how to compare and sort character strings in a database server.…
We can use the trap command to catch the error signal system by the system during script execution. Then you…
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…