Roger Sherman wrote:
> What is the benefit of setting your hostname, as opposed to letting DHCP
> set it when it logs in?
>
> peace,
>
> Rog
>
> http://www.slammingrooves.com
> Registered Linux user #190719
>
> On Thu, 14 Dec 2000, Jim Crossley wrote:
>
> > Hi Geoff.
> >
> > Geoff Thomas wrote:
> > >
> > > Where in the startup files is Hostname set? I'd like to permanantly
> > > change my hostname. Currently, the hostname is my ISP IP address (???)
> > > GT
> >
> > The hostname is set by the hostname command, /bin/hostname. But usually
> > that's done by a startup script (/etc/rc.d/rc.sysinit) that reads the
> > contents of a configuration file (/etc/sysconfig/network) that contains
> > the name you want. In that file, you should see a HOSTNAME variable.
> > Set it to what you like. Keep in mind, however, that if you're
> > connecting to your ISP via DHCP (as you likely would with a cable or DSL
> > line), you'll save yourself some grief by appending "localdomain" to
> > your hostname. So if for example you wanted to name your box Merle, you
> > would put this line in /etc/sysconfig/network:
> >
> > HOSTNAME=merle.localdomain
> >
> > That should cause your login prompt to "welcome you to merle."
> >
> > If you have a static IP address, then forget what I just said. :-)
> >
> > Other questions that begin "where in the startup files...?" can often be
> > answered by the following command:
> >
> > # grep -i "text to search for" $(find /etc/rc.d -type f)
> >
> > Here's the output for a "hostname" search:
> >
> > # grep -i hostname $(find /etc/rc.d -type f)
> > /etc/rc.d/init.d/mysql: pid_file=$datadir/`hostname`.pid
> > /etc/rc.d/rc:# things, such as setting the hostname.
> > /etc/rc.d/rc.sysinit:HOSTNAME=`/bin/hostname`
> > /etc/rc.d/rc.sysinit:if [ -z "$HOSTNAME" -o "$HOSTNAME" = "(none)" ];
> > then
> > /etc/rc.d/rc.sysinit: HOSTNAME=localhost
> > /etc/rc.d/rc.sysinit:# Set the hostname.
> > /etc/rc.d/rc.sysinit:action "Setting hostname ${HOSTNAME}: " hostname
> > ${HOSTNAME}
> > /etc/rc.d/rc.sysinit: hostname ${HOSTNAME}
> > /etc/rc.d/rc.sysinit: # Reset the hostname.
> > /etc/rc.d/rc.sysinit: action "Resetting hostname ${HOSTNAME}: "
> > hostname ${HOSTNAME}
> >
> > If you take a closer look at rc.sysinit, you'll see that the file
> > /etc/sysconfig/network is "sourced" near the top.
> >
> > -- Jim
> > http://www.lads.com/~jim
> >
> >
> >
Thanks. Incredibly helpful. I was using localhost.localdomain and in one of
the init scripts this is apparently no good. I changed it to
myname.localdomain and it worked. Thanks again.
GT
