How to get my ssh key uploaded?

Pedroski · 10-14-2023, 12:56 PM

SOLVED: somehow there are 2 ips. When I used the other ip, and port 22, I could upload the ssh key, login as root, and the rest I will do tomorrow!

I just bought a new VPS with Ubuntu 22.04 Server

I made an ssh key:

Quote:

pedro@pedro-HP:~$ ssh-keygen -t ed25519 -f ~/.ssh/lamian_ed25519 -C "lamian ssh key"
Generating public/private ed25519 key pair.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/pedro/.ssh/lamian_ed25519
Your public key has been saved in /home/pedro/.ssh/lamian_ed25519.pub
The key fingerprint is:
SHA256:sY25V2jyJFXuNQ4DJ3HSF+FCwGuRCsiXV9HwIRuZl90 lamian ssh key
The key's randomart image is:
(a picture)
pedro@pedro-HP:~$

I want to upload an ssh key, so I tried this:

Quote:

pedro@pedro-HP:~$ ssh-copy-id -p 22 -i ~/.ssh/lamian_ed25519 root@123.456.789.123
/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/home/pedro/.ssh/lamian_ed25519.pub"
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed

/usr/bin/ssh-copy-id: ERROR: ssh: connect to host 123.456.789.123 port 22: Connection refused

My last VPS was also Ubuntu 22.04 Server. It used port 22000, so I tried this:

Quote:

pedro@pedro-HP:~$ ssh-copy-id -p 22000 -i ~/.ssh/lamian_ed25519 root@123.456.7890.123
/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/home/pedro/.ssh/lamian_ed25519.pub"

Nothing happened for a while, so I pressed ctrl c, then I got this:

Quote:

^C/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/usr/bin/ssh-copy-id: 183: cannot create /home/pedro/.ssh/ssh-copy-id.9yH3JEhdj7/popids_tmp_id: Directory nonexistent
/usr/bin/ssh-copy-id: 189: cannot create /home/pedro/.ssh/ssh-copy-id.9yH3JEhdj7/popids_output: Directory nonexistent
grep: /home/pedro/.ssh/ssh-copy-id.9yH3JEhdj7/popids_output: No such file or directory
/usr/bin/ssh-copy-id: 202: cannot open /home/pedro/.ssh/ssh-copy-id.9yH3JEhdj7/popids_output: No such file
cat: /home/pedro/.ssh/ssh-copy-id.9yH3JEhdj7/popids_tmp_id: No such file or directory

/usr/bin/ssh-copy-id: WARNING: All keys were skipped because they already exist on the remote system.
(if you think this is a mistake, you may want to use -f option)

Any tips please on how to proceed??

What port should I use?

Turbocapitalist · 10-15-2023, 06:22 AM

You'll need to know which port the server is using for SSH. Via the console provided by your hosting service:

Code:

/usr/bin/ssh -T | sort | less

Look for Port and ListenAddress

Pedroski · 10-16-2023, 12:35 PM

Thanks.

I was not sure which port I needed. My last little cloud server used port 22000 for ssh

I called IONOS. The guy on the telephone told me he was not sure but he thinks port 22. I tried it it worked!

I connected to the cloud server and entered:

/usr/bin/ssh -T | sort | less

but I could not see anything, just END at the bottom and a list of ssh arguments

Doesn't matter.

I was using the wrong IP, after I used the Public IP, I could connect, upload the ssh key and the connection works!

Like someone said here on one of my LQ questions before: Why do they set the owner and group of files and folders in www to root?

That caused problems for me!