Ubuntu Installation :: Chroot: Cannot Change Root Directory To /mnt: Operation Not Permitted

Feb 20, 2010

I updated my lucid alpha testing (64 bit)install after which I am unable to boot into any of my Ubuntu installs(sda11 has a dedicated Burg partition and sda10 has the stable karmic (32 bit)install and sda9 has the testing lucid install) Now I am trying to recover (rewrite Burg or at least grub2 on the MBR) my installs

This is what happens
custom@custom:~$ sudo mount /dev/sda10 /mnt
custom@custom:~$ sudo mount -o bind /dev /mnt/dev
custom@custom:~$ chroot/mnt

[code]....

i tried a slightly different code with little success

custom@custom:~$ sudo mount /dev/sda10 /mnt
mount: /dev/sda10 already mounted or /mnt busy
mount: according to mtab, /dev/sda10 is already mounted on /mnt

[code]....

I also ran a whereis for bash and it also is there

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General :: Chroot Error - Cannot Change Root Directory To /jail - Operation Not Permitted

Apr 18, 2011

I am trying to create a jailed shell for a user Don($UID '500') using my own method(I don't want to use any ready-made "jailkit"). The user don should get a home directory /jail/don instead of /home/don when he login via SSH (So that he will not able to see any other files/directories on the system)

This is what I have done.

Quote:

Code:

It works without any issue ....Home directory changes to /jail/don when I ssh to the system as user don. ie: #ssh don@192.168.0.66

Then I added a chroot command to this code.

Code:

Unfortunately , now I am getting an error message saying that "chroot: cannot change root directory to /jail: Operation not permitted" .. I am not sure how to rectify this error... Is my approach correct to get a jailed shell using /etc/profile file ?

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I've been trying to mount ftp on a directory, using curlftpfs, but when I run:

Code:

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I get the error:

Code:

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And when I run it, I get:

Code:

WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.
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Code:

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After that when I run the mount command ) get the error:

Code:

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Code:
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Unloading any instances of foo module
Loading new foo into running kernel
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Code:
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Code:
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Quote:

setfacl: /var/www: Operation not permitted

I can however share folders in my /home directory so I guess it has to be that /var isn't getting the ACL option. Here is my fstab file:

Quote:

proc /proc proc nodev,noexec,nosuid,acl 0 0
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/dev/mapper/franklin-swap_1 none

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I am running gnome, but the KDE files installed by Synaptic are version 3.5.10
I have KDBG version 2.1.1
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If anybody needs any more information in order to give ideas or knowledge on how to fix this just let me know

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Code: Select allsystemctl enable xxx.service

Unfortunately, every time I run systemctl - even without parameters - I get this error:

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Below is the oneliner that I am using to exclude all of "." hidden directories within the same directory.

Code:
cd find . -depth ( -wholename ./.* ) -prune -o -print | cpio -oav > /media/caca/extract/full$date.cpio
it works fine but when I extract the files from the full$date.cpio archive it appears to have worked but gives me permission errors:

Code:
cd /media/caca/extract
cpio -ivd < full061411.cpio
cpio: Selection_001.png: Cannot change mode to rw-r--r--: Operation not permitted
Selection_001.png
cpio: Selection_002.png: Cannot change mode to rw-r--r--: Operation not permitted
Selection_002.png

[Code]...

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Code:
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total 0

[code]....

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Quote:

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Quote:

chmod: changing permissions of `public_html': Operation not permitted

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[code]....

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Code:
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Code:
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Code:
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[Code]...

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[Code]...

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[code]....

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[code]....

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Code:

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[code]....

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