Linux

udev rules (for ASM) :

LVM :

OpenSSL file encryption :

OpenSSL file decryption :

Cluster

Install components [ALL NODES] :

Set password of user hacluster [ALL NODES] :

Enable services [ALL NODES] :

Create authentication tokens [FROM PRIM. NODE] :

Create cluster [FROM PRIM. NODE] :

Enable cluster services on boot [FROM PRIM. NODE] :

List Services

You can list services in Linux as follows:

List services

Check process connections

We can check if a process is making connection from outside as follows:

Check process connections

As we can see, that is very useful for oracle processes. When the connection HAS to create process also ON the local server.