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Old 03-04-2019, 03:08 AM   #1
Location: Hanover, Germany

Join Date: Sep 2018
Posts: 15
Default MinKNOW Version for late-2017 flow cells

Hello people!

My institute bought a MinION starter set with two flow cells in late 2017 and never got around trying it.
Now we have some samples for which we could need the long reads and I'm trying to get the device to run, which proves challenging.

After we fixed some proxy problems, I could check the flow cells on a Mac; about 2/3 of the pores still active (even though the flow cells are waaay over expiration date) but we got a undefined error. Trying this on our linux server, which would be the device on which we sequence anyway, we get the undefined error even before flow cell check.
ONT now said that the current version of MinKNOW doesn't support the flow cells from late 2017 and that they don't have the software anymore. Can anybody provide me with an installer for whatever platform for older MinKNOW versions?
It seems that we might just need to buy new flowcells, but I'm still not willing to give up the ones we have just yet.
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Old 04-07-2019, 04:18 PM   #2
David Eccles (gringer)
Location: Wellington, New Zealand

Join Date: May 2011
Posts: 835

Just buy new flow cells. Anything from 2017 is likely to be dead, and you'll get more sequence in your first hour with new flow cells than you would have got in 48 hours from working flow cells in 2017 - yield has improved about a hundred fold since then.
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Old 07-08-2021, 09:51 PM   #3
Junior Member
Location: Managua, Nicaragua

Join Date: Jul 2021
Posts: 1

hello people

I've been trying to install the minknow software on my Ubuntu 20.04 using the installation guide from Nanopore Community, for some reason I can't complete the proces. After writing the sudo apt-get install minion-nc comands shows the next message:

The following packages have unmet dependencies:
minknow-nc: Depends: minion-nc (= 20.06.4-1 ~ xenial) but it won't install
N: Omitting file «nano» in the directory «/etc/apt/sources.list.d/», since it does not have a file name extension
E: Could not correct problems, you have retained broken packages.

then I tried to solve the broken packages by running the commands :
sudo apt update --fix-missing
sudo apt install -f
sudo dpkg --configure -a
and some others

with this results
N: Omitting file «nano» in the directory «/etc/apt/sources.list.d/», since it does not have a file name extension

A few days ago I did install the Minknow software in to another ubbuntu terminal with out any problem just following the minknow installation guide of Nanopore, but now seems to be impossible.

Can someone give me some information to fix this up?

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