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Cannot create a chroot in Ubuntu16.04

Asked by Antonio Tito

Hello, I use the latest update of Ubuntu16.04 LTS as my base system to build an application form.

I am following the instructions on https://cordova.apache.org/docs/en/latest/guide/platforms/ubuntu/

$ sudo apt-add-repository ppa:ubuntu-sdk-team/ppa
$ sudo apt-get update
# this will create a clean click chroot build environment
sudo apt-get install click-dev phablet-tools ubuntu-sdk-api-15.04

However, I get the following error:

Install SDK with:
$ sudo add-apt-repository ppa:ubuntu-sdk-team/ppa && sudo apt update && sudo apt dist-upgrade && sudo apt install ubuntu-sdk-ide

Ubuntu 15.04 and 15.10 have reached end of support, please upgrade to 16.04 LTS as soon as possible.

I proceeded with $ sudo apt-get update and got the following error:

Err:13 http://ppa.launchpad.net/chris-lea/node.js/ubuntu xenial/main amd64 Packages
  404 Not Found

Err:21 http://ppa.launchpad.net/n-muench/programs-ppa/ubuntu xenial/main amd64 Packages
  404 Not Found

W: The repository 'http://ppa.launchpad.net/chris-lea/node.js/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://ppa.launchpad.net/n-muench/programs-ppa/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://ppa.launchpad.net/chris-lea/node.js/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found
E: Failed to fetch http://ppa.launchpad.net/n-muench/programs-ppa/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.

I proceeded with ~$ sudo apt-get install click-dev phablet-tools ubuntu-sdk-api-15.04

but I got this error:

E: Unable to locate package ubuntu-sdk-api-15.04
E: Couldn't find any package by glob 'ubuntu-sdk-api-15.04'
E: Couldn't find any package by regex 'ubuntu-sdk-api-15.04'

Could you please be so kind to guide me as to how to fix this problem? I need to create an SDK Framework that is compatible with my ubuntu LTS and can run from a clean chroot build environment.

Thanks so much!

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Manfred Hampl (m-hampl) said : 		#1

I see two issues:

1. You seem to have wrong or obsolete references to PPAs in your package management configuration.
For diagnostic purposes please provide the output of the following commands:
uname -a
lsb_release -crid
find /etc/apt -name '*.list' -exec bash -c 'echo -e "\n$1\n"; cat -n "$1"' _ '{}' \;

2. Apparently the instructions on https://cordova.apache.org/docs/en/latest/guide/platforms/ubuntu/ are outdated.
ubuntu-sdk-api-15.04 does not exist any more in that PPA.

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