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Then, I updated the AuthorizedKeysFile parameter in /etc/ssh/sshd_config:ĪuthorizedKeysFile /etc/%u/authorized_keysįinally, I restarted the SSH service. If the ssh-copy-id is not available and you have password-based SSH access to an account on your server, upload your keys by using a more conventional SSH. Next, I moved my authorized_keys file into aritdev. This can easily be done via the ssh-copy-id command. In your case above, both to root and user1. In both above cases, the public key ( idrsa.pub) should be added to the 'remote users. SSH KEYGEN NOT WORKING SSH COPY ID FULLTo get around this, I created a directory named after my username aritdev outside of my home directory (I chose /etc/), and gave it full permissions for myself, but read-execute permissions for everyone else. Whenever encountering a problem sshing to a server, its always best to add the -v flag, e.g. Subsequent connections will succeed without a password, since the SSH service will then be able to read my authorized_keys file in my decrypted home directory. Therefore, my first connection attempt will require a password. Encrypted home directories aren't decrypted until the initial login is successful however, my authorized_keys file is stored in my home directory. After a few minutes on StackOverflow, I learned about Encrypted Home Directories, which are default in some environments, including Ubuntu. SSH KEYGEN NOT WORKING SSH COPY ID PASSWORDStill, I kept getting prompted for a password upon login from my laptop. I made sure that the following options were enabled in /etc/ssh/sshd_config:Įnter fullscreen mode Exit fullscreen mode I made sure that the file was read-write only for myself and none others. ssh/ubuntu I kept getting prompted for a password □ I checked my authorized_keys file over on the VPS to make sure my public key had been copied over correctly. It should have let me through without requiring a password: When all was done, I attempted to login to my VPS. ssh/ubuntu I expected, the utility asked for my VPS password in order to complete the public key transfer. In the new bash window, run 'ssh-keygen -t rsa -C'' It prompts for file in which to save key, dont input any value - just press enter Same for passphrase (twice), just press enter idrsa and idrsa.pub will be generated in your home folder under. Next I used the ssh-copy-id utility to copy my public key over to the authorized_keys file on my Vultr VPS: SSH KEYGEN NOT WORKING SSH COPY ID MACTo set up key-based authentication from my laptop to the server, I generated a new SSH keypair (named "ubuntu") on my Mac using the command: ssh-keygen -t rsa -b 4096. I'm partial to CentOS myself, but the task I was working on recommended Ubuntu. We have saved the Type1 playbook in the name sshkey-exchange-t1.yaml and executed it.I recently provisioned an Ubuntu virtual private server (VPS) on Vultr. Step 3: Fetch the Key Public Key from the servers to the ansible master :~$ ansible app -m fetch -a "src='~/.ssh/id_rsa.pub' dest='buffer/" Playbook execution Output rw- 1 weblogic weblogic 1675 Sep 10 17:25 /home/weblogic/.ssh/id_rsa rw- 1 weblogic weblogic 1679 Sep 10 17:25 /home/weblogic/.ssh/id_rsa Step 2: Make sure the Private key file is created :~$ ansible app -m shell -a "ls -lrt ~/.ssh/id_rsa" -i ansible_hosts -b -become-user=weblogic Step 1: Create SSH Private key using SSH-KEYGEN for the user weblogic :~$ ansible app -m shell -a "ssh-keygen -q -b 2048 -t rsa -N '' -C 'creating SSH' -f ~/.ssh/id_rsa creates='~/.ssh/id_rsa'" -i ansible_hosts -b -become-user=weblogic to know more about ansible ad hoc command refer to this article ssh/idrsa.pub ssh -p 1331 userserver cat >. ssh and copying it to the server, but in Ubuntu 22.04 it does not work Summary of the steps I have always performed and have always worked: ssh-keygen -t rsa cat. I have done the correct steps of generating the key in. In this method, we are going to use the Ansible ad hoc commands to perform the ssh key exchange and to copy the ssh keys between hosts. Using Ubuntu 18.04 as client works correctly. Let us consider that I have already grouped these servers into a host group named “ app” in ansible_hosts inventory fileĪnsible AD-HOC Commands – Ansible SSH Key SSH KEYGEN NOT WORKING SSH COPY ID HOW TONow we will see how to do this with both Ansible ad-hoc commands and playbook. We are going to see how to achieve our objective (or) requirement using Ansible ad-hoc command and ansible playbook with and without SSH authorized_key module. SSH Key Creation and Exchange between multiple hosts. ![]()
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