Remote Execution fails with message Error initializing command: Net::SSH::AuthenticationFailed - Authentication failed for user root@client.example.com in Red Hat Satellite

Environment

• Red Hat Satellite 6

Issue

• Running a remote execution job from the Satellite UI

    Error initializing command: Net::SSH::AuthenticationFailed - Authentication failed for user root@client.example.com
    Exit status: EXCEPTION
  

• The failed job added an entry to /var/log/secure file on the client system.

    client.example.com sshd[1183008]: userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedKeyTypes [preauth]
    client.example.com sshd[1183008]: Connection closed by authenticating user root ipaddress of satellite port 34832 [preauth]
  

Resolution

• Check if policy assigned to the client system and check if can apply LEGACY or DEFAULT policy

    update-crypto-policies --show
  
    update-crypto-policies --set LEGACY
  
    OR
  
    update-crypto-policies --set DEFAULT
  

For more KB articles/solutions related to Red Hat Satellite 6.x Remote Execution Issues, please refer to the Red Hat Satellite Consolidated Troubleshooting Article for Red Hat Satellite 6.x Remote Execution Issues

Root Cause

• Custom policy applied on the client system

   update-crypto-policies --show
  

Diagnostic Steps

• The failed job added an entry to /var/log/secure file on the client system.

    client.example.com sshd[1183008]: userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedKeyTypes [preauth]
    client.example.com sshd[1183008]: Connection closed by authenticating user root ipaddress of satellite port 34832 [preauth]
  

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