[ubuntu-uk] mythtv

Mark Fraser kubuntu at mfraz.orangehome.co.uk
Wed May 27 23:36:23 BST 2009

On Wednesday 27 May 2009 21:53:16 Tony Travis wrote:
> norman wrote:
> >>> [...]
> >
> > I suppose it would help if I understood what it was all about. Forgive
> > me but I am not very bright about these things. However, let's assume
> > that something has changed but the software I am using doesn't know that
> > and, therefore, is still looking for the old /dev/dvd. Is it possible to
> > put into the appropriate place an instruction which will allow the
> > software to find the dvd drive?
> Hello, Norman.
> The 'old' /dev/dvd was a symbolic link created when you originally
> installed Ubuntu. The Ubuntu installer detects your hardware, and sets
> your /dev directory up accordingly. However, every time you boot Ubuntu
> it checks to see if anything has changed. If it has, "udev" remembers
> the old device in case you use it again, and creates a new symbolic link
> for any new devices it detects when you boot - In your case /dev/dvd1.
> The place where "udev" stores this 'persistent' information is:
>    /etc/udev/rules.d/70-persistent-cd.rules
> You can edit this file to make "udev" point /dev/dvd at your drive if
> you want. However, it might be a bit confusing if you've not done this
> sort of thing before. My advice is to have a look at the file anyway,
> and see if you can work out what happened to your /dev/dvd. If you post
> the contents of the file here, we might be able to help you work it out.

I find it easier in cases like this to simply rename 70-persistant-cd.rules as 
70-persistant-cd.rules~ and reboot, Ubuntu will create a new set of rules when 
it discovers the file missing.

Registered Linux User #466407 http://counter.li.org

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