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0
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1answer
37 views

How to change password of an ssh identity file

Can I, and in that case how can I, change the password of an SSH identity file without having to generate a new key and setting up it all over again?
0
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0answers
40 views

Very slow SSH connection unrelated to GSSAPIAuthentication option

I am having trouble connecting to remote machine through SSH machine (I cannot change SSH configuration on that machine though I can login without any delay from other machines). I have commented out ...
-2
votes
1answer
150 views

SSH error: WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!

I ran rsync (cygwin) and got this error. I think they changed the Red Hat Linux OS from version 5 to version 6, last night. Would that be the cause of this error message? What do I need to do to fix ...
0
votes
1answer
51 views

Fedora, where to put my ssh keys to login? [duplicate]

I just recently started a VPS using Fedora. Upon creation of the VPS I was asked if I wanted to use SSH keys (which I did). Now, to connect as root to the VPS, I do not need to enter a password. Now ...
0
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0answers
54 views

ssh without password multiple shared hosts [closed]

Hey I know this is a simple task but i was getting some trouble do to my setup. I have 3 servers on which i want to be able to ssh without being prompt a password. But the thing is each of those ...
0
votes
1answer
49 views

SFTP Chroot and SSH

I have a chrooted SFTP user group to access my home server. The chroot location is /mnt/, mostly because it is already owned by root and is where I have mounted the external HDD I want to the chrooted ...
2
votes
3answers
124 views

How to merge keys, or handle keys with the same file name?

I created a key for logging into a server (using ssh-keygen) with the name id_rsa, and so in my .ssh directory there is id_rsa.pub and id_rsa. The reason I used this name, is because when I tried ...
4
votes
2answers
923 views

How to decrypt hostnames of a crypted .ssh/known_hosts with a list of the hostnames?

I try to find a script to decrypt (unhash) the ssh hostnames in the known_hosts file by passing a list of the hostnamses. So, to do exactly the reverse of: ssh-keygen -H -f known_hosts Or also, to ...
0
votes
0answers
262 views

Configure Key Based Authentication for ProFTPd

I was following this tutorial and stopped at this command sudo ssh-keygen -e -f ~username/.ssh/authorized_keys | sudo tee /etc/proftpd/authorized_keys/username. I tried with sudo, with su (super ...
4
votes
2answers
119 views

What elements affects the key pairs generated by ssh-keygen?

I use the ssh-keygen -t rsa to generate the RSA key pairs. I see that in the id_rsa.pub file, I see the username and the hostname. But I want to know that what elements will affects the key pairs. ...
1
vote
1answer
1k views

ssh-keygen -y error: load failed

I want to check correctness of a pair of RSA key. As far as I know, I can crate a public key from a private key by using the below command, and then compare two public key if are equal or not: ...
0
votes
2answers
152 views

How to enable passwordless auth to remote server as a different user?

This may seem quite trivial but what I've done doesn't seem to solve the problem. I'm connecting to a remote server as tom who (obviously) exists on the remote server but not the local server. I ...
23
votes
2answers
2k views

What's the purpose of the randomart image for user (not host) SSH keys?

The ssh-keygen generates the following output: The key fingerprint is: dd:e7:25:b3:e2:5b:d9:f0:25:28:9d:50:a2:c9:44:97 user@machine The key's randomart image is: +--[ RSA 2048]----+ | .o o.. ...
2
votes
2answers
63 views

Is there a one liner which can list public key fingerprints with authorised_keys as input?

I'd like to audit the authorised_keys file on a number of servers and match them with known AWS key fingerprints. Is there a one-liner which incorporates ssh-keygen -lf which will output the ...
0
votes
1answer
52 views

ssh-keygen utility

Is this possible to change the path that ssh-keygen use the files from? The default one is $HOME/.ssh/ so is this possible to change this? Like for example when using ssh-keygen -R to remove the host ...
0
votes
3answers
768 views

Is there a central repository of SSH keys on a system? Does SSH keygen put the private key in that location?

I just generated a public and private key with ssh key gen. I uploaded the public key onto a gitlab (basically a clone of git hub) system for my university and got an email saying that I successfully ...
13
votes
1answer
11k views

Convert OpenSSH private key into SSH2 private key

Is there a way to convert existing pair of OpenSSH keys to the SSH2 (ssh.com format) pair of keys? UPD: since there are some answers about ssh-keygen suddenly appeared, I'll explain where I came ...