umount

I've a mounted iso image in the path: /mnt/iso Inside this iso I've an install script install.sh I run the installation script from the iso and at the end the script ask to the user if he want to umount the iso itself. If the user press "y" the script execute the following code: cd / umount /mnt/iso echo "Installation completed!" Unfortunately when the script tries to execute the umount there's an error umount: /mnt/iso: device is busy I suppose it's due to the fact that the virtual device is busy from the script itself. How can make it work? Tnx Use the -l or --lazy switch to umount which

Linux: Which process is causing "device busy" when doing umount? MarkusQ Look at the lsof command (list open files) -- it can tell you which processes are holding what open. Sometimes it's tricky but often something as simple as sudo lsof | grep (your device name here) could do it for you. Just in case... sometimes happens that you are calling umount from the terminal, and your current directory belongs to the mounted filesystem. Ben You should use the fuser command. Eg. fuser /dev/cdrom will return the pid(s) of the process using /dev/cdrom . If you are trying to unmount, you can kill theses

I have an NFS-mounted directory on a Linux machine that has hung. I've tried to force an unmount, but it doesn't seem to work: $ umount -f /mnt/data $ umount2: Device or resource busy $ umount: /mnt/data: device is busy If I type " mount ", it appears that the directory is no longer mounted, but it hangs if I do " ls /mnt/data ", and if I try to remove the mountpoint, I get: $ rmdir /mnt/data rmdir: /mnt/data: Device or resource busy Is there anything I can do other than reboot the machine? tessein You might try a lazy unmount: umount -l Daniel Papasian If the NFS server disappeared and you