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2
votes
2answers
65 views

How can I run ssh-add automatically, without password prompt?

I want to communicate between several computers on my network (static ethernet), through ssh. In order to do that I need to run ssh-add every time I login on specific machine, how can I do it so that ...
0
votes
0answers
67 views

ssh-agent not getting set up (SSH_AUTH_SOCK, SSH_AGENT_PID env vars not set)

I set up a new user account for a friend on Kubuntu 12.04. When he uses ssh he gets this error: Could not open a connection to your authentication agent We're running ssh in some bash scripts. ...
2
votes
1answer
45 views

Executing 'ssh-add -D' from a cron job doesn't work

I've set up an openSSH server on an ubuntu-server machine, and I configured it to use public/private key (without password). I want to require both password and key check when the client connects to ...
0
votes
1answer
33 views

SSH from osx to osx and then use agent

I have a mac at home and a mac at work. The work mac is setup for ssh to all work related servers. Sometimes I have to connect from my home mac and access the servers which are setup on my work mac. ...
1
vote
1answer
68 views

ssh-agent: How to set it up so my CentOS server will only ask for passphrase once?

On my Macbook, my SSH private key is encrypted, but I never have to re-enter the passphrase even if I reboot the machine. The system must be unlocking it along with my user account. Is it possible ...
1
vote
0answers
47 views

Reverse ssh-agent forwarding and unlocking remote keys with your local keys

So the following two things should both be possible to do with ssh the question is just how difficult they would be and I'm hoping someone can give me an easy answer. 1) Suppose I have several ...
3
votes
2answers
326 views

SSH Agent does not work with pkcs8 private key

I did encrypt my private key using openssl pkcs8 -topk8 -in id_rsa -out id_rsa_new -v2 des3 (http://martin.kleppmann.com/2013/05/24/improving-security-of-ssh-private-keys.html) But now, ssh-agent ...
1
vote
1answer
58 views

How to prevent ssh-agent from starting in CentOS?

How do I stop ssh-agent from starting when logging into CentOS via openssh? There are no references to ssh-agent in my bash startup scripts (.bashrc) or /etc/bashrc.
2
votes
3answers
80 views

Is there a way to maintain ssh-agent connectivity in different screens?

Whenever I use ssh-agent for passwordless logins it doesn't work across different logins and screen sessions, even if they are concurrent. I suspect it uses some shell variables that don't work ...
2
votes
2answers
99 views

Automatically unlock keys on a remote host accessed via SSH

On my local PC my ssh keys are automatically unlocked on login. From there I access via ssh (with key authentication) a server that have stored the same keys I have in the client. I'd like to unlock ...
2
votes
1answer
62 views

How can I silence ssh-agent?

I have a script like this one at my .bashrc file at the mysuer home: eval `ssh-agent` ssh-add /path/to/my/key The problem is I have this output when I log with the user mysuer (su - myuser): Agent ...
6
votes
2answers
145 views

ssh-agent: don't forward authentication for the whole keyring

I have two private ssh keys : one to access my personnal machines, one to access servers at my job. I add those two keys to my ssh-agent with ssh-add. Now, when I do ssh -A root@jobsrv I ...
3
votes
3answers
165 views

Must I store a private key in a file?

I have a db-driven application that needs to communicate with another server via ssh. The web app can generate a keypair and give the user the pubkey, or it can accept the unencrypted private key in a ...
1
vote
1answer
160 views

The keys work from config but not from ssh-add

Ssh keys work fine, if indicated in ./ssh/config but if i try $ssh-add mykey Could not open a connection to your authentication agent even with ssh-add -l give the same result
5
votes
3answers
305 views

Remote shell script Enter passphrase for

How can I run a script to log into a remote server and execute a remote ssh command without entering in my passphrase? For example: When I log onto a remote server and execute the git pull command I ...
3
votes
1answer
665 views

How to list keys added to ssh-agent with ssh-add?

How and where can I check what keys have been added with ssh-add to my ssh-agent ?
4
votes
2answers
543 views

How is ssh-agent being autostarted?

I am currently running Crunchbang Linux with Openbox, and as soon as I log in I have an ssh-agent process running and I can't for the life of me figure why it is being autostarted. Here is the ...
1
vote
1answer
114 views

Can SSH-Agent work from a remote bash script?

Server A needs to connect over svn+ssh to Server B to grab some source files for deploying on Server A. My deployment script runs from my local dev machine via: ssh serverA 'bash -s' < deploy.sh ...
2
votes
2answers
536 views

SSH public key login: two different keys and SSH_AUTH_SOCK behaviour

A user (user1) on an Ubuntu 12.04 desktop has two SSH RSA keys configured: ~/.ssh/id_rsa and ~/.ssh/id_rsa1 (and .pub files). Both public keys are configured in the authorised keys on the server's ...
12
votes
4answers
3k views

How can I solve this ssh-agent problem?

I'm using Linux Mint, and have not been able to get gnome-keyring to unlock automatically at login, it seems. A symptom of my problem is as follows: $ ssh-add Identity added: /home/me/.ssh/id_rsa ...
5
votes
1answer
467 views

How to use ssh-agent with multiple (valid) keys and yet choose which one to use?

Let's say there are two keys A and B, both of which are valid for user@host public key authentication. Since authorized_keys is configured for different behaviour depending on the key, ~/.ssh/config ...
2
votes
2answers
136 views

ssh-add on an intermediate ssh hop node

I am on machine A, hopping onto machine B to finally reach machine C. A --ssh--> B --ssh--> C When I ssh-add my private key on A, all works fine and I can hop onto B as many times as I want ...
23
votes
1answer
15k views

ssh-add complains: Could not open a connection to your authentication agent

I've been trying to get ssh-add working on a RaspberryPi running Raspbian. I can start ssh-agent, when I do it gives the following output into the terminal: ...
2
votes
2answers
151 views

is it possible to trigger `ssh-add <key>` only when I ssh into a box? (from Cygwin)

I've got my .bash_profile set up to eval $(ssh-agent) so I can quickly connect to servers. If I add ssh-add ~/.ssh/id_rsa_my_key to my .bash_profile as well, I'll have to type the ssh key passphrase ...
1
vote
1answer
436 views

ssh-agent not starting in OpenSuSE desktop

It seems that ssh-agent is not starting on my OpenSuSE system. When I run pgrep -fl ssh-agent, the result is blank. On my Linux Mint laptop, I get 1785 /usr/bin/ssh-agent /usr/bin/dbus-launch ...
3
votes
1answer
1k views

tmux on startup and ssh-agent forwarding issue

I've added the following lines (taken from here) to my .bashrc to automatically start a tmux session on login: if [ "$PS1" != "" -a "${STARTED_TMUX:-x}" = x -a "${SSH_TTY:-x}" != x ] then ...
3
votes
1answer
159 views

How are loaded SSH keys referenced by name?

I'm using chef's knife ec2 tool which requires the name of a loaded SSH key (that was created in the Amazon EC2 control panel) It seems strange to me that it uses a name to reference the keypair - ...
4
votes
1answer
415 views

Ssh keeps asking for passphrase several times

I have a remote machine, with which I have set up public-key ssh auth - that is, I can ssh to it without typing in password each time. And I have a set of actions in a script, which use that ssh ...
1
vote
1answer
173 views

Can I set how long ssh-agent keeps keys in memory?

I'd like to have my keyfiles leave memory after a certain amount of disuse. Is there a way to make ssh-agent expire keys faster? It feels like it keeps them in memory and not needing a passphrase for ...