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Old 12-16-2016, 10:33 AM   #16
Turbocapitalist
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There are several key types. Ed25519 is one of the new ones, and considered quite sound. Check the manual page for ssh-keygen for what's available on your particular systems. DSA should be avoided now, even if it might still be available. If you don't have ed25519 or you have a dongle that requires RSA, then RSA is a good fallback.
 
Old 12-16-2016, 10:34 AM   #17
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Using a EdDSA key instead of dsa or rsa

https://en.wikipedia.org/wiki/EdDSA

I'm having a bad day...
 
Old 12-16-2016, 10:45 AM   #18
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I used ssh, but it still asks for a password
 
Old 12-16-2016, 10:47 AM   #19
Turbocapitalist
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Can you show the command you used to create the key? And the command you used to upload it to the server? And, finally, the command you used to try to use the key when connecting with ssh or scp?
 
Old 12-16-2016, 11:07 AM   #20
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to create the key - ssh-keygen
to upload it to the server - ssh-copy-id username@hostname
to connect using ssh - ssh username@hostname
 
Old 12-16-2016, 11:21 AM   #21
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I have 3 files in .ssh directory, id_rsa, id_rsa.pub and known_hosts. Is any of these suppose to be in the command?
 
Old 12-16-2016, 11:24 AM   #22
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Quote:
Originally Posted by trickydba View Post
to create the key - ssh-keygen
to upload it to the server - ssh-copy-id username@hostname
to connect using ssh - ssh username@hostname
The first two are ok, though I prefer ed25519 over RSA myself. ssh-keygen defaults to RSA.

However, with that last line, you need to tell ssh which key to use, even if there is only one.

Code:
ssh -i ~/.ssh/id_rsa username@hostname
See the manual page man ssh for the details on -i
 
Old 12-16-2016, 11:30 AM   #23
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Did that..........still asks for a password
 
Old 12-16-2016, 11:44 AM   #24
Turbocapitalist
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Quote:
Originally Posted by trickydba View Post
Did that..........still asks for a password
Ok. On the server, check the permissions and make sure that no other users besides yourself have write access to .ssh or the directories above it:

Code:
stat -c "%U %G %a" /home/
stat -c "%U %G %a" /home/trickydba/
stat -c "%U %G %a" /home/trickydba/.ssh/
stat -c "%U %G %a" /home/trickydba/.ssh/authorized_keys
The directory .ssh should have permissions of 700.

Do you have access on the server to track the logs from sshd?

Last edited by Turbocapitalist; 12-16-2016 at 01:10 PM. Reason: on the server...
 
Old 12-16-2016, 11:58 AM   #25
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Is the server configured for public key authentication?

ssh defaults to ~/.ssh/id_rsa so it isn't necessary to specify it with the -i unless it is different.

Last edited by michaelk; 12-16-2016 at 11:59 AM.
 
Old 12-16-2016, 12:54 PM   #26
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This whole process works in PowerShell(YUCK!) but I LOVE linux and want to do it in linux. I noticed in the Powershell script it actually passes the host key. I'd rather do this in linux but this is a very big struggle for me, I've been on this at work and even at home for HOURS!!!!!
 
Old 12-16-2016, 02:16 PM   #27
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I solved it using previous code mentioned:

scp -p filename*.xlsx filename2*.xlsx username@hostname://dir/dir2

but this is for files WITHOUT the appended current date using Expect. Hey it works.
 
  


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