Configure MRTG in Linux

I have problem while configure MRTG in LInux and don't know how to put the following samples into my current environment

#1 This is to define two users (local & mynetwork) subscribe to SNMP community mysql01, correct ?
com2sec local localhost mysql01                  (monitor localhost)
com2sec mynetwork mysql01      (monitor network)

#2Does it try to match these 2 users to some groups ??
group MyRWGroup any local
group MyROGroup any mynetwork

#3What does these 3 lines mean ?
view all included .1 80
access MyROGroup "" any noauth 0 all none none
access MyRWGroup "" any noauth 0 all all all

#4What does the line do ? Does mysql01 & localhost are the users defined in #1
snmpwalk -v2c -c mysql01 localhost system

#5 What does it do ? What does the parameter scigops mean ? What does mean and how can I find out this string.

snmpwalk -v2c xxxxxxx -c scigops
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nociSoftware EngineerCommented:
info about the config can be found here:

com2sec describes not users but hosts that are allowed access and a community they can use.  the community us name mysql01
The groups are not usergroups but SNMP access methods allowed for a community  and how authentication may happen.
And the access lines  specify how systems may authenticate to access the communities, and what right it gives. (last three items define get, put, notify
The view defines what is visible and how many access levels are relevant.

snmpwalk is used to get a tree view of SNMP items. (compare to: ls -lR for directory listings) .
See also:
the item after the -c flag is a community like defined with the com2sec
-v specifies the authentication model.

in the last statement a community scigops is used, to access the OID  (object ID) the meaning of which depends on the equipment at hand.
The MIB (management info base) can tell you what it is.

OID view might help you with decoding it,it leads to this:

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