Check fingerprint of SSH public key (Linux command)

//
// Check SSH public key fingerprint
//
[root@martin Desktop]# ls /etc/ssh/*key*
/etc/ssh/ssh_host_ecdsa_key      /etc/ssh/ssh_host_ed25519_key.pub
/etc/ssh/ssh_host_ecdsa_key.pub  /etc/ssh/ssh_host_rsa_key
/etc/ssh/ssh_host_ed25519_key    /etc/ssh/ssh_host_rsa_key.pub

[root@martin Desktop]# ssh-keygen -lf /etc/ssh/ssh_host_rsa_key.pub 
2048 99:d1:36:00:44:0a:cb:70:83:c8:21:76:c5:2a:d7:d9   (RSA)   // fingerprint