Questions tagged [ssh-agent]

SSH-agent is an utility which offers a secure way of storing the passphrase of the private key used in SSH connections

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libssh2 - connecting to agent not working

I am trying to implement Agent Forwarding using libssh2 in iOS/Mac application. I have used same flow as per libssh2 has provided in their example ssh2_agent.c and ssh2_agent_forwarding.c. The issue ...
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Can `ssh-agent` somehow interface with Windows' built-in “keychain”-like functionality?

tldr; Does OpenSSH integrate with Windows, so that on unlocking Windows ssh-agent will "unlock" its password-secured private keys? On macOS and in Linux you usually have some kind of ...
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SSH authentication using gpg-agent and another source for keys?

tl;dr: Is there a way to either disable the persistent import functionality of gpg-agent or work around that to allow using different sources for SSH keys? Situation I use GnuPG 2 keys (on a YubiKey) ...
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ssh-add private key automatically on first usage

This must have been asked before but I just couldn't find a working solution despite lots of searching. So I'd like a password prompt to pop up which asks for my ssh key passphrase when I try to git ...
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How to use Putty with Windows openssh-agent?

I've upgraded my Windows OpenSSH to the latest version (https://github.com/PowerShell/Win32-OpenSSH/releases/) in order to get it accept my RSA key. Now i can add my key e.g. with ssh-add private.key ...
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662 views

multiple ssh keys in one file with single passphrase

I have multiple ssh keys. Each time I reboot I have to do ssh-add for each of them and type passphrases to unlock each one. Is it possible to store all the in one container file which is added and ...
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1answer
34 views

Prevent SSH key to be automatically added to agent

Is there a way to prevent a certain SSH key to be automatically added to an SSH agent while all others are automatically added? For example, assume all my keys are protected by a passphrase. I would ...
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Why SSH always using first key accepted by server?

I have three SSH key pairs that can be found via ssh-add -L; two keys are accepted by the remote server, but only one key can be used for GitHub, and I want to clone a GitHub repository via agent ...
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ssh-add not working for some hosts

My ~/.ssh/config: Host github.com HostName github.com IdentityFile ~/.ssh/some_rsa IdentitiesOnly yes Host * IdentityFile ~/.ssh/some_rsa I know that this doesn't make any sense since it's ...
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1answer
147 views

Inserting ssh-agent into i3wm's startup so it's available to all processes in the session

I use the i3wm window manager on Fedora, and the urxvt-mld terminal dæmon for my multipl urxvt-mlc terminal clients. My problem is that I want just one ssh-agent for my entire session, and for the ssh-...
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ssh-agent isn’t loaded when I use ssh command locally

I want to deploy an app from my Mac to my Ubuntu 18.04 server. The problem is that when I access my server and input a simple command like ssh -T git@bitbucket.org it works fine, but it doesn't prompt ...
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How can I configure ssh inside WSL to connect to the Windows-side ssh-agent service?

I have the Windows 10 OpenSSH client installed and the Windows ssh-agent service started: > Get-Service ssh-agent Status Name DisplayName ------ ---- ----------- ...
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Key caching in SSH forwarding

What I want to achieve is to connect to server A and execute a script that connects to multiple other servers (serially) and perform a task on each. While I can perform that task using ssh -A, the ...
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310 views

Excuting ssh-agent results in 'mkdtemp: private socket dir: permission denied'

I am unable to ssh from Windows 10 into a Linux machine using key pairs. The following is in the log debug3: unable to connect to pipe \\\\.\\pipe\\openssh-ssh-agent, error: 2 debug1: pubkey_prepare: ...
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Adding a key with “ssh-add” works but passing it with “-i” doesn't

I have a case like follows: ssh -J${some-jump-host} -i some-key.pem opc@${some-ip} which does not ask for the key password for some-key.pem but directly fail as it is not authenticated. However, if ...
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195 views

ssh-agent not persistent after some amount of time (no reboot)

I am using Suse 12 on VM, it is left running and never off/rebooted. I use TCSH and would call > eval 'ssh-agent -c' > ssh-add > <put passphrase here> And then ssh login to servers/...
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Windows 10 ssh-agent don't want password after system restart

I've activated ssh-agent service on my Windows 10 machine and set it to start automatically at boot. Next, I've added my ssh keys to agent using ssh-add and during this process ssh-agent asked for ...
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140 views

ssh-agent forwarding through proxy locks up ssh connection

So I have a weird ssh problem with agent fowarding I'm trying to debug. I have a number of machines inside a firewall I can access via proxy, or directly if I'm connected inside the firewall. ...
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2answers
1k views

Ssh through bastion host (jump host)

Can somebody give me a one liner ssh command which can connect to remote host through bastion host (jump host). I am not interested in updating ssh config. I have tried below command but didn't work. ...
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116 views

SSH key password only asked for once

I have created a public/private key pair and logged into my server with it. I have also copied it to the server under a user. It asked me for the password when logging in the first time but it doesn't ...
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49 views

How to avoid neccessity to re-enter password during schell script execution

I am working on a shell script performing recurring tasks of git commit git push mvn release:prepare mvn release:perform in a couple of paths of a JAVA software project. Now each of these commands ...
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how to identify the connected client pid/tty from inside tmux

I'm using a long running tmux session on my workstation. Sometimes I have to connect to this workstation by ssh from my laptop. I take my ssh private key stored on a YubiKey with me. Means the Yubikey ...
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`Permission denied (publickey)` when key is added to SSH-Agent via Bash script

On both my mobile device and Raspberry Pi (coincidentally AArch and ARM CPUs respectively), ssh-agent is not loaded by default. I first have to start the ssh-agent: eval `ssh-agent -s` I then ...
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How to fix my ssh key not being forwarded to a specific server

I have a local host L and two remote servers S0 and S2. I can get ssh keys to be forwarded to S0 but not to S2. What's going wrong? See below for details: L = dev29 S0 = testserver0 S2 = testserver2 ...
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ssh-agent keeps asking for password

I am trying to use ssh-agent to not have to type in my password every time I use an SSH key. I am following the instructions / guides but I still am asked every time for the password - how is this ...
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Visual Studio Code Remote-SSH Windows 10 ssh-agent.exe issue

I installed the Remote-SSH add-on in VS code. I was able to connect to my server which uses key encrypted login with a passphrase. This included using Windows 10 ssh-agent as described here: https:/...
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Why must I use $(“ssh-agent”) everytime I want to pull/push from a git remote repository?

Each time I want to pull or push to a remote Gitlab repository, it gives me the following error: **> sign_and_send_pubkey: signing failed: agent refused operation Permission denied (publickey). ...
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167 views

Prompted for key password when key is in ssh-agent

In an old shell session, the number of ssh keys in ssh-agent tends to be large enough to fail authentication with the server, simply because the client just throws keys at it, FIFO fashion. It seems ...
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115k views

ssh: Error loading key “./id_rsa”: invalid format

For some reason one of my ssh keys "just broke" - it just stopped working: $ ssh-add ./id_rsa Error loading key "./id_rsa": invalid format Copying the key inside a clean VM, the key does work. Even ...
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532 views

Could not open a connection to your authentication agent. Agent is running, has keys, and is forwarded

My configuration for accessing parts of my cloud have seemingly failed, and I can not seem to understand what is going wrong. My SSH agent is running, my private key has been added, and I've ...
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Avoid using remote identity file when using ssh on remote server [duplicate]

I'm connected to serverA with SSH. I have one identity file on my local computer, which I use to authenticate to serverA, and one identity file on serverA which I use when I'm at that computer ...
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1k views

SSH login hangs in MacOS Sierra but not in Linux environment

The command below hangs when I attempt to connect to SSH server from Mac OS client. However, it works perfectly fine in Linux env. $ ssh -vvv master@172.18.0.2 -p 22 OpenSSH_7.4p1, LibreSSL 2.5.0 ...
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Have gpg-agent start with ssh key file when available, falling back to gpg keys?

On linux (Fedora) using bash, I have setup the GnuPG gpg-agent to act as the ssh-agent successfully. When authenticating over ssh, the agent tries the gpg keys first then falls back to the ssh keyfile ...
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1answer
659 views

ssh-agent rendered unusable after single use

I'm using Ubuntu 18.04 on WSL (Windows 10 1803, Build 17134.112), and lately I've noticed an issue with ssh-agent. When I start up a shell, before connecting to anything over SSH, I first call ssh-...
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Globally set environment variables for gpg-agent in MacOS High Sierra

I want to use gpg-agent instead of ssh-agent in MacOS High Sierra. To achieve this I need to set globally two environment variables: GPG_TTY=$(tty) SSH_AUTH_SOCK=${HOME}/.gnupg/S.gpg-agent.ssh This ...
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3k views

How to automatically close the ssh-agent along with closing Cygwin?

I am on Windows 10 Pro. I have added the following lines to my Cygwin (fully up-to-date) ~/.bashrc file: eval $(ssh-agent) > /dev/null ssh-add > /dev/null 2>&1 in order for me not to ...
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1answer
426 views

How do I get ssh to use only one key from ssh-agent?

I need to use two different ssh keys when connecting to the same host. The machine I need to use to connect (because of ip address restrictions) is not the machine where the ssh keys are stored, so I ...
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1k views

Predefine unix socket path for ssh-agent

I have an application which creates an x-session, the problem I'm having is with ssh-agent. Lets say I have created a unix socket, and then create x-session(in this session ssh-agent is launched). ...
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312 views

ssh-agent only works as command and not in a script in macOS

I have a Mac with macOS 10.11.6 and had the problem that when I connect through ssh to a server the password (for the private key) was not saved, I had to type it each login. So I found this solution ...
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2answers
13k views

ssh-agent reset in Windows Subsystem for linux (WSL)

I am trying to use ssh-agent under WSL but the SSH params are wiped after the script is run From .bashrc (cut down version) eval $(ssh-agent) ssh-add ssh-add -l echo "SSH_AGENT_PID is" $...
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1answer
7k views

Windows 10 Linux subsystem ssh-agent not persisting added identities

I have started using my Windows 10 for Rails development and am using Linux subsystem for the same. Recently I faced an issue connecting to a remote machine via SSH from the terminal. The public key ...
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1answer
937 views

PHP shell_exec ssh-add ssh-agent could not open connection to authentication agent

I did this shell_exec('eval "$(ssh-agent -s)" 2>&1'); shell_exec('ssh-add /opt/.ssh/id_rsa 2>&1'); and still getting error connecting to authentication agent. The first line ...
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1answer
439 views

ssh not using agent-forwarded keys

I ssh from local to X, and I would like to ssh from X to Y using password-protected RSA keys, with all my private keys being stored on local. However, local> ssh -A X X> ssh Y Received ...
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1k views

Installing SSH private key on FreeNAS for outgoing SSH/rsync

I am attempting to establish an outgoing SSH session from my FreeNAS to my web server. My hosting service requires RSA keys for SSH access. I have generated keys with ssh-keygen -t rsa, and have ...
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SSH Agent Setup on Windows with cygwin

I've created this question just as a reminder for me since I usually do the setup of an SSH agent only once every few years. So, how can one setup an SSH agent under Windows, assuming the usage of a ...
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1answer
211 views

Unlocking private SSH key (with Cygwin/X11) when there is no local shell involved?

I have installed Cygwin/X11, including openssh. I have set up a public / private key pair. I have installed the public key in ~/.ssh/authorized_keys of RemoteHost. I have configured Cygwin/X11 (via ~/...
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Save identities added by ssh-add so they persist

I recently setup openssh so I could use it with git. In the process of setting it up (as per this article) I ran the commands: $ eval "$(ssh-agent -s)" $ ssh-add ~/.ssh/<name of key> Some ...
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1answer
174 views

ssh-agent never forgets private keys

When using ssh with an encrypted private key for authentication, I never have to enter the passphrase (except probably once, can't remember). I noticed I'm running ssh-agent - which I don't remember ...
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1answer
5k views

ssh-agent service stop starting at login on Mac OS 10.11

I'm currently facing a little issue about the ssh-agent service. I rebooted my computer today after removing a Boot Camp partition. Since then, ssh-agent no longer starts automatically at login. I ...
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2answers
102 views

How can I make SSH only use keys provided by ssh-agent?

I need ssh to only use keys provided by ssh-agent, and ignore any identity files in ~/.ssh. What's the best way to do that? Background: I need to authenticate against a Git server via SSH. I have a ~/...