Okay, question, first:
Did you do:
rm -Rf /bin /sh
OR
rm -Rf /bin/sh
?? Notice the space inbetween the /bin and /sh on the first one. If
you executed the first one, you're pretty well hosed - you're going to
need to reinstall several packages to get the files back into /bin. If
you executed the second one, read on...
If you executed ln -s /bin/sh /bin/bash, and the command succeeded, then
you have almost certainly wiped out bash with a link to the
non-existent /bin/sh. With the ln command the first path is the
existing file and the second path is the link. Since you've
removed /bin/sh, linking /bin/bash will erase the /bin/bash file and
replace it with a link to /bin/sh, which doesn't exist. So, at a
minimum you need to reinstall bash. You'll likely need to boot with a
rescue CD for this.
-Nick
On Wed, 2011-01-26 at 20:49 +0800, Huang Yogi wrote:
> Dear all
>
>
> After I doing: rm -f /bin /sh ,my pc(Debian) can not work anymore,
>
> I try to do: ln -s /bin/sh /bin/bash, but it doesn't work;
>
>
> after reboot it shows cannot
> execute /etc/init.d/rcS ; /etc/init.d/rc...
>
>
>
> could you help me how to fix this problem!!
>
>
> Thank you so much!!!
>
>
> Best regards,
> Yogi Huang
>
>
>
> ______________________________________________________________________
> From: chi7396@xxxxxxxxxxx
> To: todd.deshane@xxxxxxx
> CC: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] Mutiple virtualmachines Live migration at the
> same time with Xen
> Date: Thu, 23 Dec 2010 13:04:12 +0800
>
> The lack of memory caused the problem! I try to give more memoy for
> the target system and the migration success.
> Thanks for your help!!
>
> Best regards,
> Yogi
>
> If that is not the problem, be sure that you have enough resources to
> > migrate. For example, you need enough free memory on the target
> system
> > to handle all of the VMs.
>
> > From: todd.deshane@xxxxxxx
> > Date: Tue, 21 Dec 2010 22:05:17 -0500
> > Subject: Re: [Xen-users] Mutiple virtualmachines Live migration at
> the same time with Xen
> > To: chi7396@xxxxxxxxxxx
> > CC: xen-users@xxxxxxxxxxxxxxxxxxx
> >
> > 2010/12/20 Huang Yogi <chi7396@xxxxxxxxxxx>:
> > > Dear all
> > >
> > > The following process is about trying to do the " live migration
> at the same
> > > time with 5 Virtual machines ", but there is somthing problem with
> it.
> > >
> > > Process:
> > >
> > > yogi-pc2: # xm migrate --live vm01 pc2 & xm migrate
> --live
> > > vm02 pc2 & xm migrate --live vm03 pc2 & xm migrate --live vm05 pc2
> & xm
> > > migrate --live vm06 pc2
> > >
> > > [1] 29983
> > > [2] 29984
> > > [3] 29985
> > > [4] 29986
> > > Error: /usr/lib/xen-3.2-1/bin/xc_save 43 2358 0 0 1 failed
> > > Usage: xm migrate <Domain> <Host>
> > >
> >
> > > Migrate a domain to another machine.
> > >
> > > Options:
> > >
> > > -h, --help Print this help.
> > > -l, --live & nbsp; Use live migration.
> > > -p=portnum, --port=portnum
> > > &n bsp; Use specified port for migration.
> > > -r=MBIT, --resource=MBIT
> > > Set level of resource usage for migration.
> > >
> >
> > Looks like you are getting a usage error.
> >
> > > yogi-pc2:# jobs
> > >
> > > [1] Running xm migrate --live vm01 yogi-pc1 &
> > > [2] Running xm migrate --live vm02 yogi-pc1 &
> > > [3]- Running xm migra te --live vm03 yogi- pc1 &
> > > [4]+ Running xm migrate --live vm05 yogi-pc1 &
> > >
> > > yogi-pc2:# ps -aux
> > > root 29983 0.3 0.4 11076 6800 pts/0 S 19:34 0:00
> python
> > > /usr/lib/xen-3.2-1/bin/xm migrate --live vm01 yogi-pc1
> > > root 29984 0.3 0.4 11068 6796 pts/0 S 19:34 0:00
> python
> > > /usr/lib/xen-3.2-1/bin/xm migrate --live vm02 yogi-pc1
> > > root 29985 0.3 0.4 11068 6796 pts/0 S 19:34 0:00
> python
> > > /usr/lib/xen-3.2-1/bin/xm migrate --live vm03 yogi-pc1
> > > root 29986 0.3 0.4&nb sp; 11068 6796 pts/0 S 19:34
> 0:00 python
> > > /usr/lib/xen-3.2-1/bin/xm migrate --live vm05 yogi-pc1\
> > >
> > > Hardware Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz
> > >
> > > # xm list
> > >
> > > Name ID Mem VCPUs &nbs
> p;
> > > State Time(s)
> > > Domain-0 0 953 4
> r-----
> > > 89663.9
> > > vm01 1332 128 1
> -b----
> > > 0.0
> > > vm02 1327 128 1
> -b----
> > > 0.6
> > > vm03 &n bsp; 1330 128 1
> -b----
> > > 0.6
> > > vm05 1328 128 1
> -b----
> > > 0.6
> > > vm06 1329 128 1
> -b----
> > > 0.6
> > > vm07   ; 1303 128 1
> -b----
> > > 39.2
> > >
> >
> > If this is the host that you are migrating from, then you don't have
> a
> > vm04 to migrate
> >
> > If that is not the problem, be sure that you have enough resources
> to
> > migrate. For example, you need enough free memory on the target
> system
> > to handle all of the VMs.
> >
> > Hope that helps,
> >
> > Thanks,
> > Todd
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