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I really miss the graphical "Services" tool from older versions of Ubuntu, but I understand why it had to go. I always have terminals open anyway, so I use (because I have to now, I guess)
service --status-all to see what services are running. This would be ok except that the command produces output like the following:
[ + ] winbind [ ? ] wpa-ifupdown [ - ] x11-common
I'm guessing that those symbols mean something like listening, blocked, or stopped, but which is which? More importantly, why doesn't the man page say?