*sudo apt update*
Yes, ran it just before I ran the code listed above. I don't remember any
warnings but I had someone talking to me as I did it and so I may have
missed one.

Bloody hell! I missed the equivalent of an atom bomb going off.
Unfortunately I am not sure how to start to approach this for a solution.

These errors do not look good.  Am I running into coflicting ppa's

Err:12 http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu zesty Release
  404  Not Found
Err:13 https://cran.utstat.utoronto.ca//bin/linux/ubuntu zesty/ Release
  server certificate verification failed. CAfile:
/etc/ssl/certs/ca-certificates.crt
CRLfile: none
Err:14 http://ppa.launchpad.net/jonathonf/texlive/ubuntu zesty Release
  404  Not Found

Nor does this

E: The repository 'https://launchpad.net/~rkward-devel/+archive/ubuntu/
rkward-stable-cran
<https://launchpad.net/%7Erkward-devel/+archive/ubuntu/rkward-stable-cran>
zesty Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore
disabled by default.

#####-------------------------------------------------------
---------------------###
rkrideau@jrk-T420:~$ sudo apt update
[sudo] password for jrkrideau:
Get:1 http://archive.ubuntu.com/ubuntu zesty-updates InRelease [89.2 kB]
Get:2 http://security.ubuntu.com/ubuntu zesty-security InRelease [89.2
kB]
Ign:3 http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu zesty
InRelease
Hit:4 http://archive.canonical.com/ubuntu zesty
InRelease
Ign:5 http://ppa.launchpad.net/jonathonf/texlive/ubuntu zesty
InRelease
Hit:6 http://ppa.launchpad.net/lyx-devel/release/ubuntu zesty
InRelease
Hit:7 http://archive.ubuntu.com/ubuntu zesty InRelease

Hit:8 http://ppa.launchpad.net/marutter/rrutter/ubuntu zesty InRelease
Ign:9 https://cran.utstat.utoronto.ca//bin/linux/ubuntu zesty/ InRelease
Get:10 http://archive.ubuntu.com/ubuntu zesty-backports InRelease [89.2 kB]
Hit:11 http://ppa.launchpad.net/rkward-devel/rkward-stable-cran/ubuntu
zesty InRelease
Err:12 http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu zesty Release
  404  Not Found
Err:13 https://cran.utstat.utoronto.ca//bin/linux/ubuntu zesty/ Release
  server certificate verification failed. CAfile:
/etc/ssl/certs/ca-certificates.crt
CRLfile: none
Err:14 http://ppa.launchpad.net/jonathonf/texlive/ubuntu zesty Release
  404  Not Found
Ign:15 https://launchpad.net/~rkward-devel/+archive/ubuntu/rkward-
stable-cran
<https://launchpad.net/%7Erkward-devel/+archive/ubuntu/rkward-stable-cran>
zesty InRelease
Get:16 http://archive.ubuntu.com/ubuntu zesty-updates/main amd64 DEP-11
Metadata [52.7 kB]
Get:17 http://archive.ubuntu.com/ubuntu zesty-updates/main DEP-11 64x64
Icons [26.3 kB]
Get:18 http://archive.ubuntu.com/ubuntu zesty-updates/universe amd64 DEP-11
Metadata [82.7 kB]
Get:19 http://archive.ubuntu.com/ubuntu zesty-updates/universe DEP-11 64x64
Icons [90.1 kB]
Get:20 http://archive.ubuntu.com/ubuntu zesty-updates/multiverse amd64
DEP-11 Metadata [5,840 B]
Get:21 http://security.ubuntu.com/ubuntu zesty-security/main amd64 DEP-11
Metadata [12.5 kB]
Get:22 http://security.ubuntu.com/ubuntu zesty-security/universe amd64
DEP-11 Metadata [20.7 kB]
Get:23 http://security.ubuntu.com/ubuntu zesty-security/universe DEP-11
64x64 Icons [36.5 kB]
Err:24 https://launchpad.net/~rkward-devel/+archive/ubuntu/rkward-
stable-cran
<https://launchpad.net/%7Erkward-devel/+archive/ubuntu/rkward-stable-cran>
zesty Release
  404  Not Found
Get:25 http://archive.ubuntu.com/ubuntu zesty-backports/universe amd64
DEP-11 Metadata [5,140 B]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu
zesty Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore
disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration
details.
E: The repository 'https://cran.utstat.utoronto.ca//bin/linux/ubuntu zesty/
Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore
disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration
details.
E: The repository 'http://ppa.launchpad.net/jonathonf/texlive/ubuntu zesty
Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore
disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration
details.
E: The repository 'https://launchpad.net/~rkward-devel/+archive/ubuntu/
rkward-stable-cran
<https://launchpad.net/%7Erkward-devel/+archive/ubuntu/rkward-stable-cran>
zesty Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore
disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration
details.
jrkrideau@jrk-T420:~$


On 22 August 2017 at 10:35, John Kane <jrkrid...@gmail.com> wrote:

>
> *sudo apt update*
> Yes, ran it just before I ran the code listed above. I don't remember any
> warnings but I had someone talking to me as I did it and so I may have
> missed one.
>
> Bloody hell! I missed the equivalent of an atom bomb going off.
> Unfortunately I am not sure how to start to approach this for a solution.
>
> These errors do not look good.  Am I running into coflicting ppa's
>
> Err:12 http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu zesty
> Release
>   404  Not Found
> Err:13 https://cran.utstat.utoronto.ca//bin/linux/ubuntu zesty/ Release
>   server certificate verification failed. CAfile: 
> /etc/ssl/certs/ca-certificates.crt
> CRLfile: none
> Err:14 http://ppa.launchpad.net/jonathonf/texlive/ubuntu zesty Release
>   404  Not Found
>
> Nor does this
>
> E: The repository 'https://launchpad.net/~rkward-devel/+archive/ubuntu/
> rkward-stable-cran zesty Release' does not have a Release file.
> N: Updating from such a repository can't be done securely, and is
> therefore disabled by default.
>
> #####-------------------------------------------------------
> ---------------------###
> rkrideau@jrk-T420:~$ sudo apt update
> [sudo] password for jrkrideau:
> Get:1 http://archive.ubuntu.com/ubuntu zesty-updates InRelease [89.2 kB]
> Get:2 http://security.ubuntu.com/ubuntu zesty-security InRelease [89.2
> kB]
> Ign:3 http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu zesty
> InRelease
> Hit:4 http://archive.canonical.com/ubuntu zesty
> InRelease
> Ign:5 http://ppa.launchpad.net/jonathonf/texlive/ubuntu zesty
> InRelease
> Hit:6 http://ppa.launchpad.net/lyx-devel/release/ubuntu zesty
> InRelease
> Hit:7 http://archive.ubuntu.com/ubuntu zesty
> InRelease
> Hit:8 http://ppa.launchpad.net/marutter/rrutter/ubuntu zesty InRelease
> Ign:9 https://cran.utstat.utoronto.ca//bin/linux/ubuntu zesty/ InRelease
> Get:10 http://archive.ubuntu.com/ubuntu zesty-backports InRelease [89.2
> kB]
> Hit:11 http://ppa.launchpad.net/rkward-devel/rkward-stable-cran/ubuntu
> zesty InRelease
> Err:12 http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu zesty
> Release
>   404  Not Found
> Err:13 https://cran.utstat.utoronto.ca//bin/linux/ubuntu zesty/ Release
>   server certificate verification failed. CAfile: 
> /etc/ssl/certs/ca-certificates.crt
> CRLfile: none
> Err:14 http://ppa.launchpad.net/jonathonf/texlive/ubuntu zesty Release
>   404  Not Found
> Ign:15 https://launchpad.net/~rkward-devel/+archive/ubuntu/rkward-
> stable-cran zesty InRelease
> Get:16 http://archive.ubuntu.com/ubuntu zesty-updates/main amd64 DEP-11
> Metadata [52.7 kB]
> Get:17 http://archive.ubuntu.com/ubuntu zesty-updates/main DEP-11 64x64
> Icons [26.3 kB]
> Get:18 http://archive.ubuntu.com/ubuntu zesty-updates/universe amd64
> DEP-11 Metadata [82.7 kB]
> Get:19 http://archive.ubuntu.com/ubuntu zesty-updates/universe DEP-11
> 64x64 Icons [90.1 kB]
> Get:20 http://archive.ubuntu.com/ubuntu zesty-updates/multiverse amd64
> DEP-11 Metadata [5,840 B]
> Get:21 http://security.ubuntu.com/ubuntu zesty-security/main amd64 DEP-11
> Metadata [12.5 kB]
> Get:22 http://security.ubuntu.com/ubuntu zesty-security/universe amd64
> DEP-11 Metadata [20.7 kB]
> Get:23 http://security.ubuntu.com/ubuntu zesty-security/universe DEP-11
> 64x64 Icons [36.5 kB]
> Err:24 https://launchpad.net/~rkward-devel/+archive/ubuntu/rkward-
> stable-cran zesty Release
>   404  Not Found
> Get:25 http://archive.ubuntu.com/ubuntu zesty-backports/universe amd64
> DEP-11 Metadata [5,140 B]
> Reading package lists... Done
> E: The repository 'http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu
> zesty Release' does not have a Release file.
> N: Updating from such a repository can't be done securely, and is
> therefore disabled by default.
> N: See apt-secure(8) manpage for repository creation and user
> configuration details.
> E: The repository 'https://cran.utstat.utoronto.ca//bin/linux/ubuntu
> zesty/ Release' does not have a Release file.
> N: Updating from such a repository can't be done securely, and is
> therefore disabled by default.
> N: See apt-secure(8) manpage for repository creation and user
> configuration details.
> E: The repository 'http://ppa.launchpad.net/jonathonf/texlive/ubuntu
> zesty Release' does not have a Release file.
> N: Updating from such a repository can't be done securely, and is
> therefore disabled by default.
> N: See apt-secure(8) manpage for repository creation and user
> configuration details.
> E: The repository 'https://launchpad.net/~rkward-devel/+archive/ubuntu/
> rkward-stable-cran zesty Release' does not have a Release file.
> N: Updating from such a repository can't be done securely, and is
> therefore disabled by default.
> N: See apt-secure(8) manpage for repository creation and user
> configuration details.
> jrkrideau@jrk-T420:~$
>
>
> jrkrideau@jrk-T420:~$ sudo apt update
> [sudo] password for jrkrideau:
> Get:1 http://archive.ubuntu.com/ubuntu zesty-updates InRelease [89.2 kB]
> Get:2 http://security.ubuntu.com/ubuntu zesty-security InRelease [89.2
> kB]
> Ign:3 http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu zesty
> InRelease
> Hit:4 http://archive.canonical.com/ubuntu zesty
> InRelease
> Ign:5 http://ppa.launchpad.net/jonathonf/texlive/ubuntu zesty
> InRelease
> Hit:6 http://ppa.launchpad.net/lyx-devel/release/ubuntu zesty
> InRelease
> Hit:7 http://archive.ubuntu.com/ubuntu zesty
> InRelease
> Hit:8 http://ppa.launchpad.net/marutter/rrutter/ubuntu zesty InRelease
> Ign:9 https://cran.utstat.utoronto.ca//bin/linux/ubuntu zesty/ InRelease
> Get:10 http://archive.ubuntu.com/ubuntu zesty-backports InRelease [89.2
> kB]
> Hit:11 http://ppa.launchpad.net/rkward-devel/rkward-stable-cran/ubuntu
> zesty InRelease
> Err:12 http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu zesty
> Release
>   404  Not Found
> Err:13 https://cran.utstat.utoronto.ca//bin/linux/ubuntu zesty/ Release
>   server certificate verification failed. CAfile: 
> /etc/ssl/certs/ca-certificates.crt
> CRLfile: none
> Err:14 http://ppa.launchpad.net/jonathonf/texlive/ubuntu zesty Release
>   404  Not Found
> Ign:15 https://launchpad.net/~rkward-devel/+archive/ubuntu/rkward-
> stable-cran zesty InRelease
> Get:16 http://archive.ubuntu.com/ubuntu zesty-updates/main amd64 DEP-11
> Metadata [52.7 kB]
> Get:17 http://archive.ubuntu.com/ubuntu zesty-updates/main DEP-11 64x64
> Icons [26.3 kB]
> Get:18 http://archive.ubuntu.com/ubuntu zesty-updates/universe amd64
> DEP-11 Metadata [82.7 kB]
> Get:19 http://archive.ubuntu.com/ubuntu zesty-updates/universe DEP-11
> 64x64 Icons [90.1 kB]
> Get:20 http://archive.ubuntu.com/ubuntu zesty-updates/multiverse amd64
> DEP-11 Metadata [5,840 B]
> Get:21 http://security.ubuntu.com/ubuntu zesty-security/main amd64 DEP-11
> Metadata [12.5 kB]
> Get:22 http://security.ubuntu.com/ubuntu zesty-security/universe amd64
> DEP-11 Metadata [20.7 kB]
> Get:23 http://security.ubuntu.com/ubuntu zesty-security/universe DEP-11
> 64x64 Icons [36.5 kB]
> Err:24 https://launchpad.net/~rkward-devel/+archive/ubuntu/rkward-
> stable-cran zesty Release
>   404  Not Found
> Get:25 http://archive.ubuntu.com/ubuntu zesty-backports/universe amd64
> DEP-11 Metadata [5,140 B]
> Reading package lists... Done
> E: The repository 'http://ppa.launchpad.net/jonathonf/texlive-2016/ubuntu
> zesty Release' does not have a Release file.
> N: Updating from such a repository can't be done securely, and is
> therefore disabled by default.
> N: See apt-secure(8) manpage for repository creation and user
> configuration details.
> E: The repository 'https://cran.utstat.utoronto.ca//bin/linux/ubuntu
> zesty/ Release' does not have a Release file.
> N: Updating from such a repository can't be done securely, and is
> therefore disabled by default.
> N: See apt-secure(8) manpage for repository creation and user
> configuration details.
> E: The repository 'http://ppa.launchpad.net/jonathonf/texlive/ubuntu
> zesty Release' does not have a Release file.
> N: Updating from such a repository can't be done securely, and is
> therefore disabled by default.
> N: See apt-secure(8) manpage for repository creation and user
> configuration details.
> E: The repository 'https://launchpad.net/~rkward-devel/+archive/ubuntu/
> rkward-stable-cran zesty Release' does not have a Release file.
> N: Updating from such a repository can't be done securely, and is
> therefore disabled by default.
> N: See apt-secure(8) manpage for repository creation and user
> configuration details.
> jrkrideau@jrk-T420:~$
>
> On 22 August 2017 at 10:17, Jean-Marc Lasgouttes <lasgout...@lyx.org>
> wrote:
>
>> Le 22/08/2017 à 16:05, John Kane a écrit :
>>
>>> However when I execute the command
>>> sudo apt-get install r-cran-knitr
>>>
>>> I get the error message
>>> /Some packages could not be installed. This may mean that you have
>>> requested an impossible situation or if you are using the unstable
>>> distribution that some required packages have not yet been created
>>> or been moved out of Incoming.
>>> The following information may help to resolve the situation:
>>>
>>> The following packages have unmet dependencies:
>>>   r-cran-knitr : Depends: node-highlight.js but it is not going to be
>>> installed
>>> E: Unable to correct problems, you have held broken packages.
>>>
>>
>> When I have this kind of bugs, I suspect a packaging bug on ubuntu side,
>> which usually fixes itself by miracle. Did you run "sudo apt update ; sudo
>> apt upgrade" recently  Sometimes it updates more than the GUI base thing,
>> and it will give you some diagnostic messages if something is wrong.
>>
>> Did you install a local version in R using install.packages?
>>
>> JMarc
>>
>
>
>
> --
> John Kane
> Kingston ON Canada
>



-- 
John Kane
Kingston ON Canada

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