Question: how to install krb5 on ubuntu?
Answer: Step 1 - Setup FQDN. First of all, we must configure the FQDN on the Kerberos server and then edit the '/etc/hosts' file of the server. ... 
Step 2 - Install KDC Kerberos Server. ... 
Step 3 - Configure KDC Kerberos Server. ... 
Step 4 - Install and Configure Kerberos Client. ... 
Step 5 - Testing. ... 
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