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I'm fairly new to Linux. I have Ubuntu, and now I want to install the Pantheon desktop, but as soon I run the command

sudo add-apt-repository ppa:elementary-os/daily

I get an error message saying:

gpg: keyserver receive failed: No keyserver available

I have tried looking up a solution to the problem online, but I couldn't find any solution that worked for me. How do I solve this problem?

MPi
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ALEX
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  • Do you have any firewall set? In such case, momentarily disable the firewall and try to add the PPA again – M. Becerra Apr 24 '17 at 18:56
  • @M.Becerra I disabled the firewall, but it didn't solve the problem – ALEX Apr 24 '17 at 19:04
  • Are you behind a (transparent) HTTP proxy server? Could you please [edit] your question to include the output of LC_MESSAGES=POSIX gpg --batch --no-tty --keyserver keyserver.ubuntu.com --search-keys 0x6C8769CEDC20F5E66C3B7D37BF36996C4E1F8A59 and LC_MESSAGES=POSIX wget -O /dev/null 'http://keyserver.ubuntu.com:11371/pks/lookup?op=get&search=0xBF36996C4E1F8A59'? Thanks. – David Foerster Aug 16 '17 at 14:57

2 Answers2

2

Try the manual way,

  1. Open terminal and open sources list:

    sudo gedit /etc/apt/sources.list

  2. Add the lines: Look your ubuntu version and change zesty to yours.

    deb http://ppa.launchpad.net/elementary-os/daily/ubuntu zesty main 
deb-src http://ppa.launchpad.net/elementary-os/daily/ubuntu zesty main

  3. Add key:

     sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 4E1F8A59

  4. Run command:

    sudo apt-get update

Now you can install packages from this repo.

This is a template to add any repository from ppa.

PPA manual repository installation

d a i s y
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Grisotto
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-1

I experienced the same issue. I am not behind a firewall, but need to use a HTTP proxy. It seems gpg does not honour these settings, at least not when invoked through add-apt-repository. So, the solution for me was to get on a network without need for a proxy; of course, that may not be possible for everybody.

MPi
  • 2,151