Djere.com: IT Training (GNU/Linux, Kubernetes, Cloud, Blockchain, Programming and more).

Be the Light and Empower People with Goodness.

Michael Jordan

Michael Jordan is a retired basketball player who made quite a name for himself in his hometown of Chicago. He is bored to…

string substitution

Velma is a new intern at IBM, and she needs a crash course in the similarities and differences of string substitution using sed,…

vim

Dexter is a new intern at IBM. He has used nano text editor for years, but at IBM, they use vim. Please give…

groupmod

Alicia wants to change the description of her group from "Sales Team" to "Marketing Team". The name of her Group is "Team_A". What…

groupmod

Alicia is a new intern at Red Hat. She needs a crash course on the groupmod command. Please give her a 5 paragraph…