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ssh-add (1)
  • >> ssh-add (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • ssh-add (1) ( FreeBSD man: Команды и прикладные программы пользовательского уровня )
  • ssh-add (1) ( Русские man: Команды и прикладные программы пользовательского уровня )
  • ssh-add (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
  •  

    NAME

    ssh-add - add RSA or DSA identities to the authentication agent
     
    

    SYNOPSIS

    ssh-add [-lLdDxX] [-t life] [ file ]...
    

     

    DESCRIPTION

    The ssh-add utility adds RSA or DSA identities to the authentication agent, ssh-agent(1). When run without arguments, it attempts to add all of the files $HOME/.ssh/identity (RSA v1), $HOME/.ssh/id_rsa (RSA v2), and $HOME/.ssh/id_dsa (DSA v2) that exist. If more than one of the private keys exists, an attempt to decrypt each with the same passphrase will be made before reprompting for a different passphrase. The passphrase is read from the user's tty or by running the program defined in SSH_ASKPASS (see below).

    The authentication agent must be running.  

    OPTIONS

    The following options are supported:

    -d

    Instead of adding the identity, this option removes the identity from the agent.

    -D

    Deletes all identities from the agent.

    -l

    Lists fingerprints of all identities currently represented by the agent.

    -L

    Lists public key parameters of all identities currently represented by the agent.

    -t life

    Sets a maximum lifetime when adding identities to an agent. The lifetime may be specified in seconds or in a time format specified in sshd(1M).

    -x

    Locks the agent with a password.

    -X

    Unlocks the agent.

     

    ENVIRONMENT VARIABLES

    DISPLAY
    SSH_ASKPASS

    If ssh-add needs a passphrase, it will read the passphrase from the current terminal if it was run from a terminal. If ssh-add does not have a terminal associated with it but DISPLAY and SSH_ASKPASS are set, it will execute the program specified by SSH_ASKPASS and open an X11 window to read the passphrase. This is particularly useful when calling ssh-add from a .Xsession or related script.

    SSH_AUTH_SOCK

    Identifies the path of a unix-domain socket used to communicate with the agent.

     

    EXIT STATUS

    The following exit values are returned:

    0

    Successful completion.

    1

    An error occurred.

     

    FILES

    These files should not be readable by anyone but the user. Notice that ssh-add ignores a file if it is accessible by others. It is possible to specify a passphrase when generating the key; that passphrase will be used to encrypt the private part of this file.

    If these files are stored on a network file system it is assumed that either the protection provided in the file themselves or the transport layer of the network file system provides sufficient protection for the site policy. If this is not the case, then it is recommended the key files are stored on removable media or locally on the relevant hosts.

    Recommended names for the DSA and RSA key files:

    $HOME/.ssh/identity

    Contains the RSA authentication identity of the user for protocol version 1.

    $HOME/.ssh/identity.pub

    Contains the public part of the RSA authentication identity of the user for protocol version 1.

    $HOME/.ssh/id_dsa

    Contains the private DSA authentication identity of the user.

    $HOME/.ssh/id_dsa.pub

    Contains the public part of the DSA authentication identity of the user.

    $HOME/.ssh/id_rsa

    Contains the private RSA authentication identity of the user.

    $HOME/.ssh/id_rsa.pub

    Contains the public part of the RSA authentication identity of the user.

     

    ATTRIBUTES

    See attributes(5) for descriptions of the following attributes:

    ATTRIBUTE TYPEATTRIBUTE VALUE

    AvailabilitySUNWsshu

    Interface Stability

     

    SEE ALSO

    ssh(1), ssh-agent(1), ssh-keygen(1), sshd(1M), attributes(5)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    ENVIRONMENT VARIABLES
    EXIT STATUS
    FILES
    ATTRIBUTES
    SEE ALSO


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