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03-19-2008, 09:49 PM
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#1
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Member
Registered: Sep 2006
Location: Nagpur, Maharashtra, India
Distribution: Debian, Ubuntu, Redhat, Fedora, SLES, OpenSUSE, FreeBSD, Mac OS X
Posts: 221
Rep: 
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Changing the hostname
Hello all,
I have a frontend node and many compute nodes. I want to change the hostname of the nodes across entire cluster. I am planning to use linux specific "hostname" command for this purpose. Is there any special command in ROCK for changing the hostname?
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03-19-2008, 09:57 PM
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#2
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LQ Guru
Registered: Mar 2006
Location: Sydney, Australia
Distribution: Fedora, CentOS, OpenSuse, Slack, Gentoo, Debian, Arch, PCBSD
Posts: 6,678
Rep:
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If you are talking about redhat boxes, hostname isn't persistent as far as I know, and you may need to edit /etc/sysconfig/network (I think - from memory). There may be a simpler way though.
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03-19-2008, 10:18 PM
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#3
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Member
Registered: Sep 2006
Location: Nagpur, Maharashtra, India
Distribution: Debian, Ubuntu, Redhat, Fedora, SLES, OpenSUSE, FreeBSD, Mac OS X
Posts: 221
Original Poster
Rep:
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Yes billymayday you are right. If change in hostname has to survive a power cycle then I need to do what you suggested but is there any specific command in ROCK that can make my job easy?
Last edited by paragkalra; 03-19-2008 at 10:20 PM.
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05-06-2008, 01:54 PM
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#4
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LQ Newbie
Registered: Dec 2007
Posts: 16
Rep: 
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Since you have to change the config files, you might want to consider writing a script, if you have a lot of machines to change.
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