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Re: [Libguestfs] libguestfs! help!




i'm so sorry that i still don't know what to do, i execute the command
but [virt-sysprep: unknown option `--firstboot' ] execption happens,
could you show me the detail? Thanks!
 
and i have another question:
now , i use ssh2 api to execute the remote virt-XXX(virt-win-reg virt-sysprep ......) command,
is there java api like guestfs?
 

周涛
 
Date: 2012-08-29 16:46
To: 周涛
Subject: Re: Re: libguestfs! help!
On Wed, Aug 29, 2012 at 11:34:51AM +0800, 周涛 wrote:
> i try it in my environment,it allways throws the exception :
> com.redhat.et.libguestfs.LibGuestFSException: sh: /bin/sh: Exec format error
> then i try the following programs, "Exec format error" still happens:
> String cmd1 = "chkconfig --add tomcat";
> g.sh(cmd1);
> String cmd2 = "/sbin/chkconfig --add tomcat";
> g.sh(cmd2);
> String[] cmd = new String[] {"/sbin/chkconfig", "--list"};
> g.command(cmd);
> but i can execute the command in system, could show me the reason, Thanks!
 
Well it's something to do with the guest being either a much older or
much newer version of Linux than the host, or perhaps it's a different
architecture (32 vs 64 bits?), or not even Linux at all.
 
The way to solve this is to use a firstboot script:
 
> From: Richard W.M. Jones
> Date: 2012-08-28 00:39
> To: libguestfs redhat com
[...]
> However to run the command it may be better to run the command using a
> "firstboot" script.  See:
>   http://libguestfs.org/guestfs.3.html#running-commands
>   http://libguestfs.org/virt-sysprep.1.html#firstboot-
> (Note that the ability to use firstboot scripts was only added very
> recently to virt-sysprep).
 
Rich.
 
-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
virt-df lists disk usage of guests without needing to install any
software inside the virtual machine.  Supports Linux and Windows.
http://et.redhat.com/~rjones/virt-df/

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