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Focused, hands-on problems for sharpening your DevOps and server-side skills. Some teach specific concepts while others mirror real-world scenarios. Every challenge includes hints, feedback, and automated solution checks.

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Restrict SSH Bastion Access by User Role

by Ivan Velichko

Harden a bastion host so only admins can get a shell on it, operators can open tunnels to arbitrary destinations, and developers can reach only the one internal service they actually need.

#ssh #tunnel #port-forwarding #bastion

Submissions: 66/111

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