RHEL- Fix permission denied to sudo su command #programming #devops #linux

Fix “sudo: Permission Denied” Error in Linux | Complete Troubleshooting Guide (RHEL/Ubuntu)
Are you getting the **“sudo: permission denied”** or **“cannot execute binary file: Exec format error”** in Linux?

In this video, we walk through a real-world troubleshooting scenario on Red Hat Enterprise Linux and show you step-by-step how to fix sudo issues.

🔍 What you’ll learn:

* Why sudo stops working suddenly
* Difference between **permission issue vs binary corruption**
* How to check user groups (wheel/sudo)
* Fixing sudoers file safely using visudo
* Solving **Exec format error** by reinstalling sudo
* Correct permissions for /usr/bin/sudo
* Real troubleshooting demo

🛠 Commands covered:

* groups, id, visudo
* chmod, chown
* dnf reinstall sudo
* file /usr/bin/sudo

👨‍💻 Perfect for:

* Linux beginners
* System administrators
* DevOps engineers
* Anyone preparing for Linux interviews

📌 By the end of this video, you’ll be able to confidently diagnose and fix sudo-related errors in any Linux system.

👍 Don’t forget to Like, Share & Subscribe for more Linux tutorials!

Видео RHEL- Fix permission denied to sudo su command #programming #devops #linux канала Raman Sharma