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Passwordless SSH Login Using SSH Key Authentication (Step-by-Step Guide)
3 min read7 hours ago
–
What Is Passwordless SSH?
Passwordless SSH is a secure authentication mechanism provided by OpenSSH, where a user logs in to a remote Linux server without entering a password, using public-key cryptography instead.
Instead of passwords:
- A private key stays on the client
- A public key is stored on the server
Press enter or click to view image in full size
Image created from ChatGPT
Press enter or click…
Press enter or click to view image in full size
Image created from ChatGPT
Member-only story
Passwordless SSH Login Using SSH Key Authentication (Step-by-Step Guide)
3 min read7 hours ago
–
What Is Passwordless SSH?
Passwordless SSH is a secure authentication mechanism provided by OpenSSH, where a user logs in to a remote Linux server without entering a password, using public-key cryptography instead.
Instead of passwords:
- A private key stays on the client
- A public key is stored on the server
Press enter or click to view image in full size
Image created from ChatGPT
Press enter or click to view image in full size
Image created from ChatGPT
Why Use Passwordless SSH?
- ❌ Password brute-force attacks
- ❌ Repeated password entry
- ❌ Credential sharing risks
- ❌ Automation failures (scripts, cron, CI/CD)