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Tuesday, 22 August 2017

ssh-add - Linux Command

ssh-add

ssh-add [options] [files] ssh-add -e|-s reader

Add RSA or DSA identities to the authentication agent (see ssh-agent), which must be running and must be an ancestor of the current process. ssh-add reads the files created by ssh-keygen for private keys. It reads the information in these private keys to obtain RSA or DSA identities. With no arguments specified, ssh-add adds the files $HOME/.ssh/id_rsa, $HOME/.ssh/id_dsa, and $HOME/.ssh/identity. If any files are specified, it adds those instead, prompting for a passphrase if required.

Options

-c
Confirm identities being added, by running the program specified in the SSH_ASKPASS environment variable (see the ssh command). A 0 exit status from the program indicates successful confirmation.

-d
Remove an identity from the agent instead of adding one.

-D
Delete all identities from the agent.

-e reader
Remove key in specified smartcard reader.

-l
List fingerprints of all identities known to the agent.

-L
List public key parameters of all identities known to the agent.

-s reader
Add key in smartcard reader.

-t life
Set maximum lifetime when adding identities to an agent. The value of life can be in seconds or another time format specified in sshd.

-x
Lock the agent with a password.

-X
Unlock the agent.
Annamalai Thangaraj

Annamalai is working as Technical Lead in Leading Telecom company with 5+ years experience in Identity and Access Management , Telecom and Networks, BigData, Java, Spring, Struts, Hibernate, AngularJS, and Enterprise Web Application Development.

Website: Java Tutorials Corner

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Item Reviewed: ssh-add - Linux Command Rating: 5 Reviewed By: Annamalai Thangaraj