mongodb-org-server depends on libssl1.1 (>= 1.1.1); however: Package libssl1.1 is not installed. #25441

1 – Download libssl1.1_1.1.1f-1ubuntu2_amd64.deb from official repository:

wget http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1f-1ubuntu2_amd64.deb

2 – Install it:

sudo dpkg -i libssl1.1_1.1.1f-1ubuntu2_amd64.deb

3 – Proceed with the installation of MongoDB:

sudo apt-get install -y mongodb-org