Something about Redhat

[Robert Clove]

Hi,
I want to learn so i found somethings to ask here......

I had an red hat machine i forgot the password so i change it to single
user and break the password .

NOW,
I want to know how to
1)Switch it back to multi user mode?
2)how to know which service are running and how to stop services
3)how to get the machine to receive the dynamic ip i mean how to make dhcp
enable.
4)how to make multiple users work at the same time.


Thanks
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