Skipping ssh-dss key id_dsa - not in PubkeyAcceptedKeyTypes


If it was working before and now it is not working, it means you have upgraded your openssh. The new openssh version - 7.0+ does not support DSA keys anymore  (Neither on server nor on client). 

If openssh client has been upgraded and openssh server still supports DSA keys, make the changes in client side ssh config.

Solution  :
sudo nano /etc/ssh/ssh_config
Add following line in the file.
PubkeyAcceptedKeyTypes=+ssh-dss
Restart ssh.

If openssh server has been upgraded and openssh client still supports DSA keys, make the changes in server side sshd config.

Solution  :
sudo nano /etc/ssh/sshd_config
Add following line in the file.
PubkeyAcceptedKeyTypes=+ssh-dss
Restart ssh.

Note :  The best solution, you must use RSA keys. It has strong and secure algorithm and it is better than the patch you are finding.

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