Month: July 2018

Single Tenant duplicates

I recently reported an issue regarding single tenant. In old-time non-cdb, the SID used to be unique on a server. If you connect to srv01:port:sid, then you know where you connect. Unfortunately, this is no longer true. If for instance you have two database sid’s S01 and S02 with a pluggable P01, and both run […]

disallow pseudo terminal in ssh

Some Oracle documentation wants you to setup ssh with no password and no passphrase. Configuring ssh This is not really something your security admin will like. First, using DSA, which is deprecated and disabled by default in OpenSSH 7.0, is a pretty dump instruction OpenSSH 7.0 and greater similarly disable the ssh-dss (DSA) public key […]