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can't unmount eCryptfs folder on Ubuntu Server 10.04

can't unmount eCryptfs folder on Ubuntu Server 10.04

(OP)
I installed ecryptfs and encrypted /root/name1/name2. Somehow, I have multiple instances of it and can't unmount any of them. Also, I can't log in as root anymore (yes, I setup a root login.)

When I execute sudo umount /root/name1/name2, the system hangs up. Earlier, it said I had multiple instances of the file system.

There is nothing in /etc/fstab about ecryptfs.

Here is /etc/mtab (cleansed):

/dev/sda1 / ext3 rw,relatime,errors=remount-ro 0 0
proc /proc proc rw 0 0
none /sys sysfs rw,noexec,nosuid,nodev 0 0
none /sys/fs/fuse/connections fusectl rw 0 0
none /sys/kernel/debug debugfs rw 0 0
none /sys/kernel/security securityfs rw 0 0
none /dev devtmpfs rw,mode=0755 0 0
none /dev/pts devpts rw,noexec,nosuid,gid=5,mode=0620 0 0
none /dev/shm tmpfs rw,nosuid,nodev 0 0
none /var/run tmpfs rw,nosuid,mode=0755 0 0
none /var/lock tmpfs rw,noexec,nosuid,nodev 0 0
none /lib/init/rw tmpfs rw,nosuid,mode=0755 0 0
/root/.Private /root/Private ecryptfs ecryptfs_sig=7ba7cd24acdf5bec,ecryptfs_fnek_sig=a35dd75849479788,ecryptfs_cipher=aes,ecryptfs_key_bytes=16 0 0
/root/Personal /root/Personal ecryptfs rw,ecryptfs_sig=efe28d17b9935d45,ecryptfs_cipher=aes,ecryptfs_key_bytes=16,ecryptfs_unlink_sigs 0 0
/root/ms_encrypted/rep /root/name1/name2 ecryptfs rw,ecryptfs_sig=4a2f23d7f3af633e,ecryptfs_cipher=aes,ecryptfs_key_bytes=16,ecryptfs_unlink_sigs 0 0
/root/name1/name2 /root/name1/name2 rw,ecryptfs_sig=4a2f23d7f3af633e,ecryptfs_cipher=aes,ecryptfs_key_bytes=16,ecryptfs_unlink_sigs 0 0
/root/ms_encrypted/rep /root/name1/name2 ecryptfs rw,ecryptfs_sig=4a2f23d7f3af633e,ecryptfs_cipher=aes,ecryptfs_key_bytes=16,ecryptfs_unlink_sigs 0 0

How do I fix this ?

By the way, I want the mounting of the ecryptfs file system to persist after I log out. However, I want to mount it via a remote script after the system boots.

Thank you in advance.

--



 

RE: can't unmount eCryptfs folder on Ubuntu Server 10.04

Check out this link: https://help.ubuntu.com/community/GPGKeyOnUSBDrive
Your situation reminded of it.  Specifically there are additional steps to the umount script related to the encrypted file system.  
 

RE: can't unmount eCryptfs folder on Ubuntu Server 10.04

(OP)
to: Noway2

Thank you but it did not help. The link addresses encryption problems of a removable USB drive.

Something on my system is mounting too many instances of eCryptfs, and I think that is the root of the problem. I did not add any scripts to mount it. I say "root" with a double-meaning because I was logged in as root when I set up the eCryptfs file systems, so whenever I log in as root, the file system gets set up, and if it persists after I log out, then EVERY time I log in I will get another one even though it is already active.

If this is true, how do I disable it ?

--

 

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