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Old 03-07-2012, 06:43 AM   #1
Registered: Sep 2011
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Can a mounted FS be edited and afterwards unmounted ?

Hey Folks,
I have mounted an ISO file under my test dir /var/tmp/test. ISO file is now presented as a FS with various folders. I want to make changes to 1 of its files via VI. I know what changes to make and how.I will save the file.After this should i do a mkisofs of the modified directory ?
Or simply unmounting it would be sufficient.
I have mounted the ISO without any options.Plain:
mount /somedir/somewhere/.iso /var/tmp/test and I am root.
Please advise.
Old 03-07-2012, 10:11 AM   #2
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It's not a matter or being root, isofilesystems are read-only and you will likely get an error to that effect if you try to save the file. I think there may be an option for rw when you mount but I've not tried that. I usually just copy the mounted directory to my /home/user directory, make the changes and use mkisofs to create a new iso.

Or simply unmounting it would be sufficient.
I believe you would need to generate a new iso file.

Last edited by yancek; 03-07-2012 at 10:12 AM.
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Old 03-07-2012, 10:42 AM   #3
Registered: Sep 2011
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Correct.Thanks yancek!
ISO files show up as 100% full. Nothing can be written.
If you like to create a new iso the process is via mkiso.
If you want it to be bootable iso please check here


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