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- add info for changing password of an existing ssh-key Signed-off-by: Andreas Gerler <baron@bundesbrandschatzamt.de>
27 lines
637 B
Markdown
27 lines
637 B
Markdown
# ssh-keygen
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> Generate ssh keys user for authentication, password-less logins, and other things.
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- Generate a key interactively:
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`ssh-keygen`
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- Specify file in which to save the key:
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`ssh-keygen -f ~/.ssh/{{filename}}`
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- Generate a DSA 2048 bit (default) key:
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`ssh-keygen -t dsa`
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- Generate an RSA 4096 bit key with your email as a comment:
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`ssh-keygen -t rsa -b 4096 -C "{{email}}"`
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- Retrieve the key fingerprint from a host (useful for confirming the authenticity of the host when first connecting to it via SSH):
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`ssh-keygen -l -F {{remote_host}}`
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- Change the password of a key:
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`ssh-keygen -p -f ~/.ssh/{{filename}}`
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