100 Days of DevOps - Day 3: Secure Root SSH Access Error at end of the LAB

VivekOvhal · June 8, 2026, 2:39pm

I have successfully updated the root login access to all servers but at the end, this lab ended with an error.

“root login is not disabled on App Server 1”
Whether the grep command confirms the successful disablement of the “PermitRootLogin” property.

Can anybody please help me to resolve this problem?

Please refer to the attached screenshot

Santosh_KodeKloud · June 8, 2026, 2:50pm

You need to restart the sshd service with systemctl restart sshd on App Servers after updating the `

MIQDAD · June 9, 2026, 8:42am

refer to this repo for your solution

github.com

MiqdadProjects/kodekloud-eng-100-days-devops/blob/main/DAY03/task-3-disable-root-ssh-login.md

**🌟 Task 3 - Disable Direct SSH Root Login**

**📌 Task Description**

Following security audits, the **xFusionCorp Industries** security team has rolled out new protocols, including the restriction of direct root SSH login.

👉 **Your task:** Disable direct SSH root login on all app servers within the **Stratos Datacenter**.

💡 **Note:** You can find the infrastructure details by clicking on the **Details of all Users and Servers** button on the top-right section of the page.

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## 🚨 Task-Specific Challenge & Solution

**🔍 Main Challenge Encountered:**

The primary challenge was **implementing security hardening** by disabling direct SSH root login across multiple app servers while maintaining administrative access and avoiding system lockout.

**💡 Solution Approach:**

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VivekOvhal · June 10, 2026, 7:21pm

Thank you.
It worked.