Ssh Agent Password



Remember passphrases with ssh-agent — First published in fullweb.io issue #31

Ssh Agent Remember Password

The ssh-agent program is an authentication agent that handles passwords for SSH private keys. Use ssh-add to add the keys to the list maintained by ssh-agent. After you add a private key password to ssh-agent, you do not need to enter it each time you connect to a remote host with your public key.

  1. Using an ssh-agent, or how to type your ssh password once, safely. This will create two files: a public key (normally.pub), and a private key. The private key is. Your agent friend. So you have read this much of the article, and still we have not solved the problem of having to.
  2. Ssh-agent is a program to hold private keys used for public key authentication (RSA, DSA). The idea is that ssh-agent is started in the beginning of an X-session or a login session, and all other windows or programs are started as clients to the ssh-agent program.
how-to-ssh-agent.md

commented Jan 18, 2016

You can also directly open a new shell session spawned by ssh-agent :

The SSH_AUTH_SOCK and SSH_AGENT_PID variables will already be set in the new shell session. It will spare you exporting them manually (step one and two above).

commented Aug 9, 2018

Save yourself the copy and paste job with eval.

commented Dec 16, 2018

Hi,

I got my id_rsa identity added, still my verification problem repeats when I try to initialise push on GitHub. I use inteliJ>VCS>Import into Version Control>Share Project on GitHub. This is the error I receive:

Successfully created project 'ProjektZ_keprim' on GitHub, but initial push failed: Warning: Permanently added the RSA host key for IP address '140.82.118.4' to the list of known hosts. git@github.com: Permission denied (publickey). Could not read from remote repository. Please make sure you have the correct access rights and the repository exists.

And more, after following steps advised above my Git Bash throws:
ZuzannaRo@ZuzannaRo24 MINGW64 /
$ ssh-add -l
2048 SHA256:pbPkCPH/XRp5RPhI3dERAWR/OJN3HAHUMXilUByp1U4 /c/Users/ZuzannaRo/.ssh/id_rsa (RSA)

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Ssh agent password

By default, if an SSH key file is dropped into your personal ‘~/.ssh’ directory that matches a set of standard names, then it will automatically be used as an identity when logging into a remote site (id_rsa, id_dsa, id_ecsda, id_ed25519, or identity).

For example, this makes it simple to comply with Github’s requirement to use ssh keys instead of a password because the standard ssh-keygen command generates ‘~/.ssh/id_ed25519’ which will automatically be picked up by ssh.

This should work on Ubuntu without even needing to invoke ssh-agent as a process, and is the simplest way to enable automatic remote authentication.

However, if your file does not match one of these names in the standard location then you need to figure out what hook you will use to invoke ssh-agent and then load the key. Using .bashrc or .bash_profile could be options, but even better is to write a user level Systemd service.

Here are the steps required to load a user level systemd service that invokes ssh-agent and loads a custom private key required for authentication.

Prerequisites

The ssh-agent needs to use the SSH_AUTH_SOCK environment variable. The problem is this may already be in use by Gnome, and it will collide unless we disable the Gnome keyring.

If the environment variable above is set, then disable Gnome keyring:

Now set the value that ssh-agent expects for SSH_AUTH_SOCK and reboot for the changes to take.

Enable user-level Systemd service

Now grab the ssh-agent.service file from my github project and place it into your ‘~/.config/systemd’ directory, which is where use-level systemd service files are found.

Update the systemd service file with the ssh private key you want to loaded into the ssh-agent.

Enable the user-level systemd service:

Agent

If there are errors, then you should edit the service file and reload the daemon.

Ssh-agent Reset Password

REFERENCES

Ssh Agent Username Password

NOTES

Ssh

on other linux flavors, may need to enable ‘AddKeysToAgent’ to personal ssh config. Not necessary with Ubuntu

changing github repo from https to git

Ssh Agent Bash

This value in ~/.pam_environment did NOT work to disable gnome keyring. It takes ‘X-GNOME-Autostart-enabled=false’ to disable