for me (on ubuntu 15.04) fails at update:
Fetched 1,157 kB in 1min 14s (15.5 kB/s)                                                                                                             
W: Failed to fetch http://apt.puredata.info/releases/dists/vivid/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://apt.puredata.info/releases/dists/vivid/main/binary-i386/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/eighthave/pd-extended/ubuntu/dists/vivid/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/eighthave/pd-extended/ubuntu/dists/vivid/main/binary-i386/Packages  404  Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.
-----------------
and so, still 'failed to locate package.'

Zexy is no doubt here somewhere, but to get iemguts?

On Sat, Aug 15, 2015 at 11:09 AM, Alexandros Drymonitis <adrcki@gmail.com> wrote:


On Sat, Aug 15, 2015 at 7:59 PM, Forrest Curo <treegestalt@gmail.com> wrote:
These instructions no longer work:
https://puredata.info/docs/faq/debian
I've recently installed Pd-exetnded on Debian using these instructions.
Only for the first step, adding the repository, I had to first do this:
sudo apt-get install software-properties-common

Then it all worked fine..