ssh tunneling and private keys - how to...

I need to ssh to a server and from there jump to another server. I created a public key and gave it to the administrator to install it on their side. I successfully connect to the first server but once in there, I cannot connect to the next server, I always get 'Permission denied'. My colleagu

ssh tunneling and keys - how to...

I need to ssh to a server and from there jump to another server. I created a public key and gave it to the administrator to install it on their side. I successfully connect to the first server but once in there, I cannot connect to the next server, I always get 'Permission denied'. My colle