Docker Repository Does Not Have a Release File on Running apt-get update on Ubuntu

Question

I am using Ubuntu 16 10 and recently installed Docker  v1 12 4  using the Xenial build by following the instructions found here  I haven t encountered any problems creating containers  ensuring they restart automatically  etc   However  now every time I run apt-get update I receive the following error message   W  The repository  https   apt dockerproject org repo 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 https   apt dockerproject org repo dists ubuntu-xenial main binary-amd64 Packages E  Some index files failed to download  They have been ignored  or old ones used instead    I have tried to remedy the problem by following the advice found here and cannot seem to solve this problem   Has anyone encountered this before and fixed it  If so  what is needed to resolve this

User · Answer

This is what worked for me on LinuxMint 19   curl -s https   yum dockerproject org gpg   sudo apt-key add apt-key fingerprint 58118E89F3A912897C070ADBF76221572C52609D sudo add-apt-repository  deb https   apt dockerproject org repo ubuntu-  lsb release -cs  main  sudo apt-get update sudo apt-get install docker-ce docker-ce-cli containerd io

User · Answer

For Linux Mint  this problem is actually referenced in the Docker website      Note  The lsb release -cs sub-command below returns the name of your   Ubuntu distribution  such as xenial  Sometimes  in a distribution like   Linux Mint  you might have to change   lsb release -cs  to your parent   Ubuntu distribution  For example  if you are using Linux Mint Rafaela    you could use trusty        amd64         sudo add-apt-repository      deb  arch amd64    https   download docker com linux ubuntu       lsb release -cs      stable    The lsb release -cs command gives a repository for which Docker has no prepared package - you must change it to xenial   The correct command for Linux Mint 18 which is based on Ubuntu 16 04 Xenial is  sudo add-apt-repository  deb  arch amd64  https   download docker com linux ubuntu      xenial      stable

User · Answer

I still have the same issue  None of the answers above seem to solve it   I have ubuntu 16 04  and I follow the steps described in https   docs docker com install linux docker-ce ubuntu   I suspect it is related to an apt-get bug regarding https  The information being printed by apt-get is kind of misleading   I think that Failed to fetch   can also be translated as  problem accessing resource from within an https connection  How did I come to this conclusion    First of all I am behind a corporate proxy so I have set the following   configuration    etc apt apt conf  Acquire  http  proxy  http   squidproxy 8080    Acquire  https  proxy  http   squidproxy 8080    Acquire  ftp  proxy  ftp   squidproxy 8080     Acquire  https  CaInfo       etc ssl certs ca-certificates pem      etc apt apt conf d 99proxy  Acquire  http  Proxy       localhost DIRECT      localhost 9020 DIRECT      localhost 9021 DIRECT       I performed the following tests with differrent entries in sources list  test entry 1   deb  arch amd64  https   download docker com linux ubuntu xenial stable  sudo apt-get update  W  The repository  https   download docker com linux 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     https   download docker com linux ubuntu dists xenial stable binary-amd64 Packages   E  Some index files failed to download  They have been ignored  or old ones used instead    Failure  test entry 2   deb  arch amd64  http   localhost 9020 linux ubuntu xenial stable   etc apache2 sites-enabled apt-proxy conf    http to https reverse proxy configuration  Listen 9020  lt VirtualHost   9020 gt  SSLProxyEngine On   pass from squid proxy ProxyRemote https   download docker com  http   squidproxy 8080 ProxyPass   https   download docker com  ProxyPassReverse   https   download docker com  ErrorLog   APACHE LOG DIR  apt-proxy-error log CustomLog   APACHE LOG DIR  apt-proxy-access log combined  lt  VirtualHost gt    sudo apt-get update  Hit 1    Hit 2                                                                        Hit 7 http   localhost 9020 linux ubuntu xenial InRelease                 Get 8     Fetched 323 kB in 0s  419 kB s  Reading package lists    Done   Success  test entry 3   deb  arch amd64  https   localhost 9021 linux ubuntu xenial stable   etc apache2 sites-enabled apt-proxy conf    https to https revere proxy Listen 9021  lt VirtualHost   9021 gt    serve on https SSLEngine on SSLCertificateFile       etc ssl certs ssl-cert-snakeoil pem SSLCertificateKeyFile  etc ssl private ssl-cert-snakeoil key SSLProxyEngine On   pass from squid proxy ProxyRemote https   download docker com  http   squidproxy 8080 ProxyPass   https   download docker com  ProxyPassReverse   https   download docker com  ErrorLog   APACHE LOG DIR  apt-proxy-error log CustomLog   APACHE LOG DIR  apt-proxy-access log combined  lt  VirtualHost gt    sudo apt-get update  W  The repository  https   localhost 9021 linux 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 https   localhost 9021 linux ubuntu dists xenial stable binary-amd64 Packages   E  Some index files failed to download  They have been ignored  or old ones used instead    Failure    In the above cases the url which apt-get Failed to fetch and also the Release  file  were actually accessible from browser   wget   curl using the same proxy configuration  The fact that apt-get worked only with http reverse proxy url  implies that there is some issue accessing resources from within an https connection  I do not know what this issue is but apt-get should show a more informative message   apt is even less verbose        Note  wiresharking case 1 showed that proxy CONNECT was successful  and no RST was sent  but of course the files could not be read

User · Answer

Elliot Beach is correct  Thanks Elliot   Here is the code from my gist   sudo apt-get remove docker docker-engine docker io  sudo apt-get update  sudo apt-get install apt-transport-https ca-certificates curl software-properties-common  curl -fsSL https   download docker com linux ubuntu gpg   sudo apt-key add -  sudo apt-key fingerprint 0EBFCD88  sudo add-apt-repository  deb  arch amd64  https   download docker com linux ubuntu   xenial   stable   sudo apt-get update  sudo apt-get install docker-ce  sudo docker run hello-world

User · Answer

On Linux Mint  the official instructions did not work for me  I had to go into  etc apt sources list d additional-repositories list and change serena to xenial

User · Answer

As suggested in official docker document also  Try running this    sudo vi  etc apt sources list   Then remove comment any  deb  arch amd64  https   download docker com linux ubuntu  xenial stable  such entry at the last lines of the file   Then in terminal run this command    sudo add-apt-repository  deb  arch amd64  https   download docker com linux ubuntu  bionic stable  sudo apt-get update   It worked in my case

User · Answer

Best check for this problem    If you are behind proxy   tested on ubuntu 18 04    will work on other ubuntu also   mostly error in   https proxy  http   192 168 0 251 808     Check these files    sudo cat  etc environment   http proxy  http   192 168 0 251 808   https proxy  http   192 168 0 251 808   ftp proxy  ftp   192 168 0 251 808   socks proxy  socks   192 168 0 251 808    sudo cat  etc apt apt conf   Acquire  http  proxy  http   192 168 0 251 808    Acquire  https  proxy  http   192 168 0 251 808    Acquire  ftp  proxy  ftp   192 168 0 251 808    Acquire  socks  proxy  socks   192 168 0 251 808     Add docker stable repo   sudo add-apt-repository  deb  arch amd64  https   download docker com linux ubuntu   lsb release -cs  stable    Run apt-get update    sudo apt-get update  Check Docker CE   apt-cache policy docker-ce  install Docker    sudo apt-get install docker-ce

User · Answer

I saw an interesting post from Ikraider here that solved my issue   https   github com docker docker issues 22599  Website instructions are wrong  here is what works in 16 04   curl -s https   yum dockerproject org gpg   sudo apt-key add apt-key fingerprint 58118E89F3A912897C070ADBF76221572C52609D sudo add-apt-repository  deb https   apt dockerproject org repo ubuntu-  lsb release -cs  main  sudo apt-get update sudo apt-get install docker-engine 1 13 0-0 ubuntu-xenial

User · Answer

Linux Mint 20 Ulyana users need to change  quot ulyana quot  to  quot bionic quot  in  etc apt sources list d additional-repositories list like so  deb  arch amd64  https   download docker com linux ubuntu    bionic    stable

User · Answer

Editing file  etc apt sources list d additional-repositories list and adding deb  arch amd64  https   download docker com linux ubuntu xenial stable  worked for me  this post was very helpful https   github com typora typora-issues issues 2065

User · Answer

Warning  Use the below steps at your own risk  You may receive different results as indicated in the comments  Please exercise caution and have a full backup prior to doing this  Below is a list of steps used to solve the issue   Remove Docker  this won t delete images  containers  volumes  or customized configuration files    sudo apt-get purge docker-engine   Remove the Docker apt key   sudo apt-key del 58118E89F3A912897C070ADBF76221572C52609D   Delete the docker list file   sudo rm  etc apt sources list d docker list   Manually delete apt cache files   sudo rm  var lib apt lists apt dockerproject org repo dists ubuntu-xenial     Delete apt-transport-https and ca-certificates   sudo apt-get purge apt-transport-https ca-certificates   Clean apt and perform autoremove   sudo apt-get clean  amp  amp  sudo apt-get autoremove   Reboot Ubuntu   sudo reboot   Run apt-get update   sudo apt-get update   Install apt-transport-https and ca-certificates again   sudo apt-get install apt-transport-https ca-certificates   Add the apt key     gt  sudo apt-key adv          --keyserver hkp   ha pool sks-keyservers net 80          --recv-keys 58118E89F3A912897C070ADBF76221572C52609D   Add the docker list file again    gt  echo  quot deb https   apt dockerproject org repo ubuntu-xenial main quot    sudo tee  etc apt sources list d docker list   Run apt-get update    gt  sudo apt-get update   Install Docker    gt  sudo apt-get install docker-engine  Granted  there are plenty of variables and your results may vary  However  these steps cover as many areas as possible to ensure potential problem spots are scrubbed so that the likelihood of success is higher  Update 7 6 2017 It appears newer versions of Docker are using a different installation process which should eliminate many of these problems  Be sure to check out https   docs docker com engine installation linux ubuntu

User · Answer

I was facing similar issue on Linux mint what I did was found out Debian version using      cat  etc debian version  buster sid  then replaced Debian version in     sudo vi  etc apt sources list d additional-repositories list deb  arch amd64  https   download docker com linux debian    buster    stable

User · Answer

I also had a similar issue  Someone might find what worked for me helpful    Machine is running Ubuntu 16 04 and has Docker CE  After looking through the answers and links provided here  especially from the link from the Docker website given by Elliot Beach  I opened my  etc apt sources list and examined it    The file had both deb  arch amd64  https   download docker com linux ubuntu  lsb release -cs  stable and deb  arch amd64  https   download docker com linux ubuntu xenial stable   Since the second one was what was needed  I simply commented out the first  saved the document and now the issue is fixed  As a test  I went back into the same document  removed the comment sign and ran sudo apt-get update again  The issue returned when I did that   So to recap   not only did I have my parent Ubuntu distribution name as stated on the Docker website but I also commented out the line still containing  lsb release -cs

[ubuntu] Docker Repository Does Not Have a Release File on Running apt-get update on Ubuntu

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