Add package list:
nano /etc/apt/sources.list.d/mcp.list

Content:
# HPE Management Component Pack
deb http://downloads.linux.hpe.com/SDR/repo/mcp jessie/10.40 non-free

Note: stretch repo not working for DL120 G6 and use 10.40 version- Otherwise SMH won't connect to Lights-Out 100 

Add HPE public keys:
curl http://downloads.linux.hpe.com/SDR/hpPublicKey1024.pub | apt-key add -
curl http://downloads.linux.hpe.com/SDR/hpPublicKey2048.pub | apt-key add -
curl http://downloads.linux.hpe.com/SDR/hpPublicKey2048_key1.pub | apt-key add -
curl http://downloads.linux.hpe.com/SDR/hpePublicKey2048_key1.pub | apt-key add -

Install HP SMH and P410 Raid controller config

apt-get install hp-smh-templates cpqacuxe

Execute and Configure:
/sbin/hpsnmpconfig

public public public ....

Start Array Config tool:
cpqacuxe -R

Open: 
https://<server-ip>:2381