Robin Moffatt • 12/9/2014

Linux cluster sysadmin -- SSH keys

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This technical article explains SSH key strategies for sysadmins managing Linux clusters (like Hadoop). It covers setting up password-less authentication, generating a unique cluster key pair, and how this enables the use of tools such as PDSH for parallel command execution and colmux for cluster monitoring.

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Linux cluster sysadmin -- SSH keys

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