Fred K Ollinger on Mon, 27 May 2002 17:26:00 -0400


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Re: [PLUG] RE: Unneeded programs running on startup


> 	anacron - periodic task scheduler

Dunno.

> 	atd - runs jobs queued for later XEQ

Not needed.

> 	crond - job scheduler

Keep this. This is used by tasks that run at certain time. You will
undoubtedly need this as some time. Many other tasks need this:

ls /etc/cron.daily
ls /etc/cron.hourly
ls /etc/cron.monthly

as root:

crontab -e

Will show you all the stuff you need.

> 	tripwire - intrusion detector
> 	sendmail - background mail client
> 	logwatch - 'cuz it's used in that BG activity ...
> 	webmin - there's no server in my Linux PC

Wasteful in your case.

> 	xinetd - same reason as for webmin ...

This is tcp wrappers. You probably don't need it, but it's good to have.
Basically programs running under xinetd can be controlled, giving assess
to services to certain ip #'s only. Check /etc/xinetd.d dir to see if
there's anything you might want before you hose this.

> 	portmap - same reason as for webmin ...

This is a hole. Good for nfs, though, which you might want later.

> 	sshd - needed for secure Netscape ?

No. This gives you secure console. You do

ssh ip#

if you are on internet and you can login to your box from anywhere in the
world. I login to work boxes from how and fix things all the time. You can
admin all your boxes from anywhere.

Also, if you do ssh -X, you can see all graphical apps from one linux box
on another, run netscape remote or something, even a desktop remotely.
It's all encrypted, too. Not a huge hole.

> 	sgi_fam - file alteration monitor

Dunno.

> 	ntpd - used by Net Time

If you are on internet, this will keep your clock updated w/ atomic clock.

> 	nfslock - I dunno why I'm keeping this ...

If you kill portmap then this won't work.

Fred


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