Questions tagged [ssh-keys]

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4 answers
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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 ?
marioosh's user avatar
  • 3,561
15 votes
1 answer
6k views

How can I force SSH to ignore the IdentityFile listed in "Host *" for one specific host?

My SSH config file is set up to use a specific IdentityFile in the Host * section as the default key. For one particular host, I want to offer a different key (and only that key, never the default key)...
Scott Dudley's user avatar
95 votes
17 answers
261k views

SSH-Key authentication fails

I'm trying to ssh into a CentOS server which I have no control over.. the admin has added my public key to the server and insists the fault lies with me but I can't figure out what is wrong. Config ...
Tim's user avatar
  • 951
18 votes
1 answer
6k views

What does ssh-keygen [-o] do?

Gitlab lists their ssh-keygen commands with the -o flag: https://docs.gitlab.com/ee/ssh/ But I cannot find -o in any help page or man page. What does it do?
jsarbour's user avatar
  • 290
8 votes
1 answer
2k views

Marketing Cloud SSH Key Generation: Inconsistency between PuTTY and ssh-keygen

After spending two months back and forth with Salesforce Support, I have finally worked out that in order to upload an SSH key in Key Management, you have to use PuTTYgen, not ssh-keygen (on Mac). ...
ejangi's user avatar
  • 83
6 votes
4 answers
7k 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 sshd ...
slhck's user avatar
  • 228k
101 votes
4 answers
75k 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 ...
Dave Long's user avatar
  • 1,145
29 votes
3 answers
140k views

Connect to server using SFTP and a public SSH key using FileZilla on Windows

Is it possible to generate an SSH key on a Windows machine and then use that key to connect to a server using SFTP via FileZilla? This is all working with my Mac, but I have a client that is stuck in ...
macek's user avatar
  • 6,205
7 votes
1 answer
3k views

Do I need to keep the comment at the end when I copy SSH public keys to another machine?

Say I have a public RSA SSH key that looks like: ssh-rsa ijvoienvejfvmiejnci3onrvejviewlonvcljnrijcnreionv me@machine If I’m copying this key to share with another machine, do I include the comment ...
pretzlstyle's user avatar
3 votes
1 answer
11k views

SSH: fails with a private key, works with a copy of the key located elsewhere

I want to establish a SSH connection between two Linux machines: client & server. I am using root account on both machines, and their linux distro is CentOS 7. I generated a pair of private-...
Elouan Keryell-Even's user avatar
520 votes
15 answers
800k views

How to fix warning about ECDSA host key

I'm trying to setup password-less 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 ...
Cerin's user avatar
  • 9,142
97 votes
7 answers
111k 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 lie under ~/....
Anton Strogonoff's user avatar
97 votes
6 answers
144k views

How to make git not prompt for passphrase for ssh key?

I'm using git bash and I setup ssh key using ssh-keygen and each time I do something with a repo git ask me for passphrase for /c/Users/jankiewj/.ssh/id_rsa. Is there a way to disable that passphrase. ...
jcubic's user avatar
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36 votes
6 answers
77k views

To use ssh-id-copy do you need both id_rsa.pub and id_rsa?

I am trying to setup a second access ssh key for a friend. He sent me his id_rsa.pub. ssh-copy-id -i id_rsa.pub [email protected] /usr/local/bin/ssh-copy-id: ERROR: failed to open ID file './...
user avatar
14 votes
1 answer
15k views

How do I use KeePassXC as an SSH agent?

There's an SSH Agent tab in KeePassXC's options. How do I use it to manage my SSH keys across multiple Windows and Linux machines?
gronostaj's user avatar
  • 57k
12 votes
8 answers
125k views

Disconnected: no supported authentication methods available

I have the same exact problem described in this thread, but the answer accepted there is not the right one for me, because the user's home directory is local. I think that I configured everything ...
WinWin's user avatar
  • 980
10 votes
1 answer
7k 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 ...
FMaz008's user avatar
  • 213
5 votes
1 answer
2k 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 ...
rdm's user avatar
  • 153
4 votes
2 answers
61k 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 ...
astk's user avatar
  • 143
2 votes
1 answer
5k views

ssh how stop Permission denied (publickey)

In every process SSH return Permission denied (publickey). ssh-copy-id [email protected] /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already ...
ketty's user avatar
  • 21
1 vote
1 answer
3k views

ssh command from Windows to Mac: permission denied

Objective I want to access to my local Mac computer (version: High Sierra 10.13.5) from my Windows computer (Windows 10). The purpose is for automation, to remove the password authentication and add ...
M1n1M1n1ng's user avatar
1 vote
5 answers
582 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 ...
Kumar Alok's user avatar
  • 1,613
1 vote
1 answer
4k 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 ...
nwalke's user avatar
  • 145
0 votes
1 answer
3k views

SSH pub key (rsa_id.pub) does not work with MobaXterm but works with PowerShell and other apps

I used PowerShell to create a SSH key like so: ssh-keygen.exe # Enter to accept all default + blank PW # Saved in C:\users\me\.ssh\id_rsa.pub I can SSH to my server via PowerShell and it works as ...
SamAndrew81's user avatar
0 votes
1 answer
900 views

Gateway Server Jump Bastion Host Local Setup

I want to ssh to a remote private host using an intermediate (bastion, jump, gateway) server. This command works fine: ssh gateway ssh private With this ~/.ssh/config setup: Host gateway User ...
Shaun's user avatar
  • 3