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I'm trying to apply a patch to a package and I don't seem to have patch installed, but when I type sudo apt-get install patch it gives me this message:

Ubuntu 11.10 Oneiric Ocelot - Release amd64 (20111012)' in the drive /cdrom/ and press enter

How can I install it? Cuz I actually have the installation cd on my drive, but nothing happens.

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You need to remove cdrom from sources.list either manualy or with software-properties-gtk program. Just launch it and uncheck corresponding checkboxes.

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Thanx. Problem solved :D – Franco Albornoz Feb 25 '12 at 21:08
@FrancoAlbornoz: If this solves your problem, you should accept the answer. – tumbleweed Feb 25 '12 at 23:22
Please share what you did to solve the issue. – Ringtail Feb 25 '12 at 23:24

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