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08-14-2003, 09:08 AM
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#1
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LQ Newbie
Registered: Aug 2003
Location: Reston, Virginia
Distribution: RedHat 9.0
Posts: 1
Rep:
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Hostname changes after reboot
I have only been using Linux for a day now - thought it was time to wean myself off of Windows. Well, I've figured out how to change the hostname of my machine, but any time I reboot the hostname reverts to 'none'
Is there any way I can prevent this from happening?
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08-14-2003, 09:38 AM
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#2
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Senior Member
Registered: Feb 2001
Location: Montreal, Quebec, Canada
Distribution: RedHat, Fedora, CentOS, SUSE
Posts: 1,403
Rep:
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You need to edit the /etc/sysconfig/network file.
Add your new hostname on the HOSTNAME line.
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08-14-2003, 01:00 PM
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#3
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LQ Newbie
Registered: Aug 2003
Location: Los Angeles, CA
Posts: 14
Rep:
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total newb here too...
that file contains the following:
127.0.0.1 localhost
if I want to change the name that shows up when I open a terminal is this where to do it? and if I am using dhcp to get an IP address would I add another line:
127.0.0.1 mandrake-linux
or would I have to use a different IP other than the localhost name, or do I need to put an IP address in at all??? this is the part that confuses me. If I don't have a static IP how can I put a hostname in there?
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08-14-2003, 01:27 PM
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#4
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Senior Member
Registered: Feb 2001
Location: Montreal, Quebec, Canada
Distribution: RedHat, Fedora, CentOS, SUSE
Posts: 1,403
Rep:
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jgallas, you can also add extra hostnames in /etc/hosts
For example, the loopback address line (the first line) should look like this:
Code:
127.0.0.1 localhost.localdomain localhost
If you want to add extra hostnames, append them to the end of the line
Code:
127.0.0.1 localhost.localdomain localhost mandrake-linux
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08-14-2003, 01:29 PM
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#5
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LQ Newbie
Registered: Aug 2003
Location: Los Angeles, CA
Posts: 14
Rep:
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Thanks a bunch!
It was so simple that I couldn't get it 
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08-14-2003, 01:33 PM
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#6
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LQ Newbie
Registered: Aug 2003
Location: Los Angeles, CA
Posts: 14
Rep:
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Oh, one more thing!
how do I get it to change the host name in the terminal:
right now it says.... root@win2k-0
I would like it to say root@mandrake-linux
I know the hostname is set so other machines can see it right, I just want my own machine to know it's correct name as well or will this be accomplished after modifying the hosts file and rebooting?
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08-14-2003, 02:04 PM
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#7
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Senior Member
Registered: Feb 2001
Location: Montreal, Quebec, Canada
Distribution: RedHat, Fedora, CentOS, SUSE
Posts: 1,403
Rep:
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You need to edit the /etc/sysconfig/network file.
Add your new hostname on the HOSTNAME line.
To take effect, you will need to reboot.
Or
at the command line, type: service network restart
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