On Mon, 25 May 1998, Neely Kountze wrote:
> I am trying to find our about the function of portmap, and cannot find
Portmap is used so that programs on one system can connect to a single
well-known port (belonging to the portmapper) on another system and ask
the portmapper where it can find other services. It's useful for NIS and
other Sun-RPC type things. It's not strictly necessary for NFS especially
if you are just a client. You don't need it for httpd, sendmail, dns,
syslog, or samba, or a myriad of other things either. Only for NIS
really.
> syslogd, and samba on my linux server. Are there any other services
> which I can eliminate, like portmap, from rumlevel 3. I'm using Redhat
> 5.0?
In general, you can eliminate any service you're not using. Few of the
services started by the runlevel rc scripts are strictly necessary,
although some of them (like atd) are more useful than they look, and
others, like autofs, look useful but aren't. :) Others like kerneld are
useful or not depending on your specific configuration.
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