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Old 11-27-2006, 02:14 PM   #1
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/ access problem


I have been writing a small script today and I've made a small mistake, that resulted in calling following command:
chmod 644 /
and now I have a big problem... I cannot run anything on my hdd...
I have rebooted from the liveCD and wanted to do chroot, to investigate what had happened, but the following error appears:
chroot: cannot execute /bin/sh: Permission denied

Is there any way to change access rights to the main node of a disk, when it is not mounted as /? or will I have to do format+reinstall? :/

Old 11-27-2006, 02:40 PM   #2
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Try booting with a Live CD, create a mount point (mkdir /omg), mount your partition there (mount /dev/hdx /omg) and then correct the permissions (chmod 755 /omg).
Substitute /dev/hdx with your root partition.

Then try the chroot thing. If it works, try booting as usual.
Old 11-27-2006, 02:57 PM   #3
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/ access problem / access problem

I've already tried it, it doesn't work
When I mount the partition, all the rights look ok... maybe it is sth. other than the rights of /... but what else can give these 'no permissions'
Old 11-27-2006, 08:49 PM   #4
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do what uselpa said, only do chmod 755 /omg/bin/*
Old 11-28-2006, 02:22 AM   #5
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As I said, all the rights in the directories, subdirectories and files are ok (at least when the partition is mounted as the subdirectory of /). The problem appears when it is being mounted as /
Old 11-28-2006, 02:55 AM   #6
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chmod 755 /omg/lib/*
I'm so happy, that I don't have to reinstall the system
Old 11-28-2006, 08:03 AM   #7
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Without wishing to sound like a smartarse, this is one of those things which justify the advice "don't use root unless you absolutely have to!" Of course, it may have been unavoidable in this case.


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