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<font size="-1"><font face="Helvetica, Arial, sans-serif">Hello,<br>
<br>
While attempting an update of my Ubuntu system (apt-get update)
I encountered this pgp error:<br>
<br>
W: GPG error: <a class="moz-txt-link-freetext" href="http://ppa.launchpad.net">http://ppa.launchpad.net</a> trusty Release: The
following signatures couldn't be verified because the public key
is not available: NO_PUBKEY 90BD7EACED8E640A<br>
<br>
Researching this I determined that I can "go get" the public key
with this:<br>
<br>
sudo apt-key adv --keyserver ppa.launchpad.net --recv-keys
90BD7EACED8E640A<br>
<br>
Here's the full output of that command<br>
<br>
Executing: gpg --ignore-time-conflict --no-options
--no-default-keyring --homedir /tmp/tmp.PijqRBl7dW
--no-auto-check-trustdb --trust-model always --keyring
/etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg
--keyring /etc/apt/trusted.gpg.d/ubuntu-mate-dev-ppa.gpg
--keyring /etc/apt/trusted.gpg.d/ubuntu-mate-dev-trusty-mate.gpg
--keyserver ppa.launchpad.net --recv-keys 90BD7EACED8E640A<br>
<br>
But only resulted in this. Timeout took 1 min<br>
<br>
<br>
gpg: requesting key ED8E640A from hkp server
ppa.launchpad.net<br>
gpg: keyserver timed out<br>
gpg: keyserver receive failed: keyserver error<br>
<br>
In case I had the key server wrong, I also tried
keyserver.launchpad.net<br>
<br>
</font></font><font size="-1"><font face="Helvetica, Arial,
sans-serif">apt-key adv --keyserver keyserver.launchpad.net
--recv-keys 90BD7EACED8E640A<br>
<br>
resulting in:<br>
<br>
keyserver.launchpad.net: Host not found<br>
gpgkeys: HTTP fetch error 7: couldn't connect: No such file
or directory<br>
gpg: no valid OpenPGP data found.<br>
gpg: Total number processed: 0<br>
<br>
Any suggestions on were to go next to get the public key?<br>
<br>
Thanks,<br>
<br>
Greg<br>
<br>
<br>
I find it rather odd that launchpad would time out. <br>
</font></font>
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