Failed install at make dev.provision on Ubuntu 20.x.x

Site Operators Site Operations Help
1

Hey Guys. I am having a challenge completing an native Devstack install on Ubuntu 20.x.x

Here is the error.

/bin/sh: 1: python: not found
/bin/sh: 1: [: -lt: unexpected operator
./repo.sh clone
The [course-discovery] repo is already checked out. Continuing.
The [credentials] repo is already checked out. Continuing.
The [cs_comments_service] repo is already checked out. Continuing.
The [ecommerce] repo is already checked out. Continuing.
The [edx-e2e-tests] repo is already checked out. Continuing.
The [edx-notes-api] repo is already checked out. Continuing.
The [edx-platform] repo is already checked out. Continuing.
The [xqueue] repo is already checked out. Continuing.
The [edx-analytics-pipeline] repo is already checked out. Continuing.
DOCKER_COMPOSE_FILES="-f docker-compose.yml -f docker-compose-host.yml" ./provision.sh
+ RED='\033[0;31m'
+ GREEN='\033[0;32m'
+ YELLOW='\033[0;33m'
+ NC='\033[0m'
+ docker-compose up -d mysql mongo
Pulling mongo (mongo:3.2.16)...
ERROR: Get https://registry-1.docker.io/v2/: dial tcp: lookup registry-1.docker.io: Temporary failure in name resolution
make: *** [Makefile:44: dev.provision.run] Error 1
2

The Open edX installations aren’t supported on Ubuntu 20.x yet. Also, in the future, it’s easier to help if you can show all the commands you ran, not just their output.