Upgrading guppy basecaller on Oxford Nanopore Gridion via PPA

This is an ONT problem, not an ubuntu problem. Keys can expire over time, and need to be updated.

The keys for the Guppy basecaller are not present in the ubuntu repository; you need to get them from ONT. This is indicated by the installation instructions for Guppy (which you've already linked to):

sudo apt-get update
sudo apt-get install wget lsb-release
export PLATFORM=$(lsb_release -cs)
###
wget -O- https://mirror.oxfordnanoportal.com/apt/ont-repo.pub | sudo apt-key add -
###
echo "deb http://mirror.oxfordnanoportal.com/apt ${PLATFORM}-stable non-free" | sudo tee /etc/apt/sources.list.d/nanoporetech.sources.list
sudo apt-get update

Bryan Foong Zhi Chuan Follow

This is an ONT problem, not an ubuntu problem. Keys can expire over time, and need to be updated.

sudo apt-get updatesudo apt-get install wget lsb-releaseexport PLATFORM=$(lsb_release -cs)###wget -O- https://mirror.oxfordnanoportal.com/apt/ont-repo.pub | sudo apt-key add -###echo "deb http://mirror.oxfordnanoportal.com/apt ${PLATFORM}-stable non-free" | sudo tee /etc/apt/sources.list.d/nanoporetech.sources.listsudo apt-get update

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Eugene Buff Follow

export PLATFORM=$(lsb_release -cs)More

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Gaurav Raje Follow

Yes it turned out that the upgrade worked after repeating all these commands (which I thought it was not necessary because I had already added the PPA). There was, however, an issue with the release, so More

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