Problems installing MongoDB on Ubuntu 20.04

Following the documentation for Mongo 4.4 on Ubuntu, I get the key, add the repository, then get the following error when running atp-get update:

Err:6 focal/mongodb-org/4.4 Release
Could not handshake: The TLS connection was non-properly terminated. [IP: 9480]
Reading package lists... Done
E: The repository ' focal/mongodb-org/4.4 Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

If I try to curl to the page I get the following:

<head><title>404 Not Found</title></head>
<h1>404 Not Found</h1>
<li>Code: NoSuchKey</li>
<li>Message: The specified key does not exist.</li>
<li>Key: apt/ubuntufocal/mongodb-org/4.4multiverse</li>
<li>RequestId: C5JWFBGFTN5X4B10</li>
<li>HostId: RHZGG+Mt6t/Gmo25ZCTy1L5+8NaZiz+NqCuDxYYd8iTyiKjMuUvUKU3Zm+gKbbJd5H5aMzal+fQ=</li>

Am I looking at a key issue or is something not right with the repo?

Please have a look on below link and follow steps for ubuntu 20

I have been following every guide I can find.

Hi @jon_rawlins,

I tried above mongodb link on which worked for me.

I am also experiencing this issue trying to install MongoDB 4.4 on Ubuntu 20.04LTS … This mentions no release file for focal when I try apt update (after adding the PGP key of course). @jon_rawlins did you find a workaround for this?

the fix for this to change this line… basically remove 4.4 on the saved file …

echo "deb [ arch=amd64,arm64 ] focal/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.4.list

to this
echo "deb [ arch=amd64,arm64 ] focal/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org.list

Hopefully, this can be helpful for installing MongoDB version 3.4.17
Try this:

echo "deb xenial/mongodb-org/3.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.4.list

sudo apt update

apt-cache policy libssl1.0-dev

sudo apt-get install libssl1.0-dev

sudo apt-get install -y mongodb-org=3.4.17 mongodb-org-server=3.4.17 mongodb-org-shell=3.4.17 mongodb-org-mongos=3.4.17 mongodb-org-tools=3.4.17

Update, please also run this step of adding repository keys as the first step before running any of the other steps mentioned above:

sudo apt-key adv --keyserver hkp:// --recv 0C49F3730359A14518585931BC711F9BA15703C6

Apologies for the inconvenience!

tried everything but doesnot work