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1answer
234 views

Can I have more than 1 private key in ~/.ssh?

I am trying to add an existing private key (id_rsa file) to my ~/.ssh directory, but see that I already have one. Do I have to replace the existing key, or is there a way to combine them? I assume ...
1
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2answers
1k views

SSH ignores keyfile, wrongly asks for password

For work, I am SSH-ing into a server. I haven't done this for months, so something has changed where it now asks me for a password. Previously, after authenticating it would work. Here's what I ...
3
votes
1answer
67 views

Retrieve ssh key from github

I had ssh key at github.com in my account. Now i reinstall my operating system, how can i retrieve my old ssh key from github and put it into /home/user/.ssh/id_rsa? Thank you.
0
votes
1answer
263 views

Multiple ssh keys on Heroku

I have: Computer A with id_rsa and id_rsa.pub Computer B with different id_rsa and id_rsa.pub (it's not the same as that one from computer A) and id_rsa2 id_rsa2.pub I created an account on heroku, ...
0
votes
1answer
312 views

How to add hostname to known_hosts to be used system-wide

As far as I know the default ssh option StrictHostKeyChecking is set to ask so the first ssh connection seems like: $ ssh host.example.com The authenticity of host 'host.example.com (1.2.3.4)' can't ...
0
votes
1answer
127 views

Logout safe way to have ssh-agent session for server processes

I am having a server process which is using a passphrase protected SSH key. Currently I log in via SSH to give the key every time the process is restarted. I do: eval `ssh-agent` ssh-add mykey # ...
2
votes
1answer
177 views

Remotely generating key pair without passphrase

I'm trying to generate the key pair (without a passphrase) on a remote machine. The command I use for this is: ssh root@REMOTEIP ssh-keygen -t rsa -f /root/.ssh/id_rsa_new -q -N "" The output of ...
1
vote
2answers
147 views

Is there a difference if SSH key is created on serverside?

I've got a server running Ubuntu. I installed openssh-server and wanted to use ssh key for login purposes. Everything works fine except one thing. On Ubuntu's community site is written "This massively ...
1
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0answers
120 views

Avoid typing password every time using NX

I am running nxserver on a linux box and installed NoMachine Player on laptop. Every time I connect to nx on the linux box, basically it comes with two steps: SSH to user nx on the linux box On the ...
0
votes
1answer
158 views

ssh-add not permanent

I've setup some keys to connect one server to another (periodically importintg data from one to another via some crontab). My problem is that the passphrase is randomly asked by the system (I can ...
0
votes
1answer
220 views

ssh authorized_keys on two machines

I have two machines with the same .ssh/authorized_keys (verified since (1) one is a copy of the other and (2) the md5sums of the file on both machines match) and the same /etc/ssh/sshd_config ...
1
vote
1answer
2k views

Unable to Change Password for Private SSH Key

I'm running PuTTY Pageant on Windows, and I used it to generate a private SSH key with a .ppk extension. Now I want to change the password to that key, so I opened my Git bash terminal, cd'd to my ...
1
vote
0answers
740 views

Passwordless ssh failed when login using username

I was trying to setup Hadoop and was stumbled on passwordless ssh to localhost. I am getting a password prompt when trying to connect using ssh username@hostname format. But there is no problem ...
0
votes
5answers
1k views

SSH without password (shared home folder)

I have a question about passwordless ssh with one home folder. I have created a common /home/developers account, and multiple users (developerA,developerB ...). All developers have been delegated the ...
0
votes
2answers
322 views

after config `~/.ssh/authorized_keys`, ssh works well but scp does not work

I change this file ~/.ssh/authorized_keys in remote server, shown below, and want to run a script when ssh to it. #Flyakite command="/home/path/to/script" ssh-rsa my-key now if I run ssh $USER@$HOST ...
3
votes
1answer
103 views

Changed home directory permissions on remote server, can no longer ssh into it

I changed the permissions on my ~ directory, and according to this question about ssh and home directory permissions I can no longer ssh into my remote server because it rejects my public key. Is ...
0
votes
1answer
2k views

Using putty generated key in SSH Secure Shell

In Windows, I need to use a key (RSA-2) generated from puttygen in "SSH Secure Shell" software v.3.2.9. The s/w has a key import option, and it asks for the .pub file. I tried importing the .pub file ...
0
votes
1answer
40 views

How to upgrade ssh-keygen using yast2 or smart

The ssh-keygen which I have seems to be bit old. It doesn't have -m and -y option. I would like to upgrade to latest version. In both the tools, it says "ssh-keygen" package is not found. Could you ...
3
votes
2answers
262 views

Cat command output varies unusually in regards to * character

I'm running the following command on a fairly standard Ubuntu 11.04 installation running under vSphere: sudo cat /home/*/.ssh/authorized_keys Basically, I am using puppet for ssh key management and ...
4
votes
2answers
843 views

What is id_rsa.keystore?

In my .ssh directory I have the following files - drwx------ 2 rohit rohit 4096 Jun 22 03:34 ./ drwxr-xr-x 62 rohit rohit 4096 Jun 22 11:16 ../ -rw-r--r-- 1 rohit rohit 402 May 25 15:19 ...
5
votes
2answers
314 views

Does the size of a RSA key cipher have any impact on my internet connection?

I am wanting to setup passwordless authentication to my remote linux server, I was going to generate an RSA public/private keypair. I was thinking about cipher strength like 2048 bit and 4096 bit. ...
0
votes
1answer
2k views

ssh-agent and ssh-add

Does anyone know how to make it so that I don't have to add my keys manually using ssh-add? Every time I log into my Ubuntu server box, I have to start the ssh-agent and then use ssh-add before my ...
29
votes
7answers
20k views

How to fix warning about ECDSA host key

I'm trying to setup passwordless ssh on an Ubuntu server with ssh-copy-id myuser@myserver, but I'm getting the error: Warning: the ECDSA host key for 'myserver' differs from the key for the IP ...
3
votes
1answer
2k views

How do I connect to SSH without the password to be requested every time ? - Already follow some answers here but it doesn't work

MAC OS X Lion 10.7.3 1) On host, I've created an authorized_keys file inside .ssh folder, by doing: touch authorized_keys 2) I've copy my public ssh key into host .ssh folder by doing: scp ...
6
votes
1answer
1k views

How safe is it to make my SSH Public key, very public?

Is it a security risk to allow anyone to see your SSH public key? My public key(s) are on all the machines I login to regularly, and I've also given other sysadmins my .pub file so they allow me ...
1
vote
2answers
1k views

Why does my password for the ssh private key does not work (on Mac)?

I have a pair of private and public keys. The public key is on my server and I have my private key on my local disk. The file's permissions were changed with the command: chmod 600 private_key Now ...
1
vote
0answers
129 views

How do I set up an ssh keypair for a web user with no home folder?

The title basically says it all. I have web user that needs to ssh a remote server. Said web user has no home folder. I have no root access to give it one. Has anyone had this problem before?
2
votes
1answer
589 views

Disabling only password ssh access for root

I know it's possible to disallow root logins via ssh, and that it is a Good Idea™ to disallow root to ever login via ssh (preferring instead to use sudo or similar). Is it possible to allow ...
2
votes
1answer
1k views

Tell git which private key to use for a user without home folder

I was reading the question Tell git which private key to use, and the answer doesn't apply for a case were the user doesn't have any home directory. We're setting up a Jenkins server right now, and ...
1
vote
6answers
186 views

Is there a way to log into a machine using SSH without password?

I know ssh is to create a secure shell connection to a machine, and we call ssh username@ip_address to login the machine. Is there a way that I won't need to enter the password when connecting via ...
1
vote
2answers
179 views

why doesnt key authentication work for openssh?

I am working on setting up a hadoop cluster, as per the following tutorial: http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-single-node-cluster/#sun-java-6 My problem comes in ...
1
vote
1answer
292 views

How do I achieve passwordless CVS updates?

I'm working on some code from my computer at home and would like to do CVS updates to a remote server. When I'm at work I don't need to type in a password, but at home each time I need to type in my ...
16
votes
4answers
10k views

How to store SSH keys?

I've started using SSH keys instead of passwords just recently (thanks to GitHub, of course), so please keep in mind that I'm pretty new to this whole concept. Currently my keys simply lay in ~/.ssh, ...
2
votes
2answers
466 views

Using ssh keys for multiple sites?

I was wondering, is it considered safe to use the same SSH key for multiple sites? (eg. github, bitbucket, heroku, etc)? Or is it recommended to generate a different SSH key for each website/usage?
1
vote
1answer
372 views

SSH key not recognized after installation (also: can I store keys on NTFS)

I've reinstalled my Fedora 15. I decided to keep my SSH keys, including Github key, so I won't have to generate new one. However, when I copied them back from NTFS partition to ~/.ssh directory, ...
0
votes
1answer
312 views

Authentication failure when connection

I am working currently on my server on an issue, I configured the SSH Deamon that only people who have a valid ssh-key can login on to the server, and kicked the password option Now I've added a ...
1
vote
0answers
113 views

What is the purpose of the randomart generated by the ssh-keygen utility? [duplicate]

Possible Duplicate: What is randomart produced by ssh-keygen? Am setting up my git-hub stuff, and part of it entails creating public-private key pair using the ssh-keygen utility. But ...
60
votes
3answers
45k views

Using Multiple SSH Public Keys

I have a personal account and a company account on Unfuddle. On Unfuddle SSH keys can only be used on a single account, so I need to create a seperate SSH key on my laptop for both accounts. I ran ...
0
votes
1answer
4k views

How to set up VPN Connection with .p12 and ovpn file

Right, i'm quite new to linux 'Ubuntu 10.10' and i'm having a hard time trying to import keys and certificates for vpn connection to my work office server. I have a .p12 file which is the key i'm ...
0
votes
2answers
511 views

Security issue with reusing rsa_id keys

I have been setting up a lot of virtual machines for different projects I'm working on. Instead of using ssh-keygen on each machine, I've been copying my id_rsa file from one of my machines to all the ...
3
votes
3answers
943 views

SSH host authenticity issue

I'm receiving the wonderful "The authenticity of host xx can't be established." message when attempting to SSH into a box. I have two systems that recently swapped names. My system is a RHEL5.6 box. ...
0
votes
1answer
1k views

Adding a path to a ssh key file

I want to to make it so that when a file looks for a ssh key in /Users/skline/.ssh/id_rsa.pub it automatically also looks into the directory /var/root/.ssh/id_rsa.pub (where my ssh is actually ...
1
vote
2answers
4k views

Remove all the keys (credentials) from a PC

I gonna have to change my Windows PC with a colleague at office. I've added a few rsa ssh keys while playing around with git, github, heroku and a few others. What'd be the best way to remove all my ...
65
votes
2answers
72k views

How to convert .ppk key to OpenSSH key under Linux?

I know that is possible to convert .ppk under puttygen in Windows, but how to do that on Linux? Is this possible ?
0
votes
1answer
105 views

ssh-keygen wont work

For CentOs I am trying to configure a ssh key but it denies the approval. I tried this from the following link: http://rcsg-gsir.imsb-dsgi.nrc-cnrc.gc.ca/documents/internet/node31.html For more ...
6
votes
5answers
11k views

How to generate a public/private key (UNIX)

Can some one please tell me, for using SSH, why does a host also need to have a public and private key? And how can I generate a public/private key pair for myself?
1
vote
2answers
205 views

ssh passwordless -login [duplicate]

Possible Duplicate: SSH asks for password, even with public key installed http://rcsg-gsir.imsb-dsgi.nrc-cnrc.gc.ca/documents/internet/node31.html I am trying to login from machine A to ...
4
votes
4answers
937 views

SSH asks for password, even with public key installed [duplicate]

Possible Duplicate: Problem with shared ssh keys I have set up pub key authentication between two servers. Everything should work, but I am still asked for the password. Here's parts of my ...
0
votes
1answer
2k views

Git SSH setup Permission denied (publickey)

I'm using a VWWare image of Ubuntu 8.04 and experiencing problems while setting up git access over SSH I get the following output debug1: Authentications that can continue: publickey debug1: Next ...
1
vote
1answer
1k views

SSH Key Exchange from Cygwin to Ubuntu Fails

I'm trying to SSH from a Windows/Cygwin to Ubuntu. I am not using PuTTY. Instead, I'm using Cygwin ssh, which should be OpenSSH. I used ssh-user-config on the Windows machine to generate my key ...