How to Connect to an Azure Virtual Machine Using SSH

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SSH (Secure Shell) is an application-layer protocol that uses asymmetric cryptography to establish encrypted remote connections between devices, operating by default on TCP port 22. To set up SSH access on Microsoft Azure, users must create a virtual machine with SSH public key authentication enabled and ensure port 22 is open in the inbound port rules. During VM creation, Azure generates a key pair and downloads a .pem file, which must be moved to the ~/.ssh directory and set to read-only permissions using chmod 400. Users can then connect to the VM via the terminal using the ssh -i command along with the VM's public IP address, found on the Azure portal. On first connection, Azure prompts users to verify the host fingerprint, which can be cross-checked by running a keygen command directly on the VM through the Azure portal's Run Command feature.

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ProgrammingDEV Community ·

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