Aaron Konstam wrote: > On Tue, 2007-11-20 at 21:16 -0600, Mikkel L. Ellertson wrote: >> I can not find where it is specifically stated, but it is implied in >> the -a and -F options that the /etc/fstab is processed from the top >> down, and I can remember reading it somewhere. So if you try to >> mount /usr/tomcat before /usr you are going to run into problems. >> You will either have a problem of the mount point missing, or >> running into problems of mounting a file system over the mount >> point. I know you can hide an existing directory tree, but I have >> never tested what happens if you are hiding mount points. (Does it >> generate an error with mounting /usr, or does /usr/tomcat become >> inaccessible?) >> > I would be amazed that you could mount /usr/tomcat before /usr in the > fstab and then be able to see /usr/tomcat. I would also be interested if > you can see /usr/tomcat when you boot. > You could mount /usr/tomcat before /usr if there was a /usr/tomcat directory as part of the root file system. What I don't know is what would happen if you them try to mount /usr. As I can not see any valid reason to do it, I have never tested it. What I suspect would happen if that you would no longer be able to access anything that was on /usr/tomcat, but you might get an error message when trying to mount /usr instead. The only use I can see for doing it is if you want to open some files on /usr/tomcat, and then hide the /mnt/tomcat file system. It would be one way to hide a rootkit, or backdoor code. Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!
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