In the world of programming, efficiency is key. Automation is one of the most powerful tools in a developer’s toolkit,…

Some of the tasks are required to run twice per day. You can use */12 in hours section to schedule…

Shell scripts are handy for automating tasks like backup databases, clearing log files, etc. You need to perform some tasks…

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…