Change the authenticate value to false in airflow config file (airflow.cfg) and restart the airflow,

# Set to true to turn on authentication:
# https://airflow.apache.org/security.html#web-authentication
authenticate = False

RBAC,

rbac = False

If anyone is using docker, this worked for me(airflow 2.0.1):

1. Add a copy of webserver_config.py somewhere in your project.
2. Uncomment AUTH_ROLE_PUBLIC and set 'Admin' as the value.

AUTH_ROLE_PUBLIC = 'Admin'

3. Add these settings to your .cfg file.

[webserver]
rbac = False
authenticate = False

4. In your Dockerfile, add the command to copy the webserver_config.py into the /home/airflow directory. e.g:

ADD airflow/webserver_config.py /home/airflow

Once you spin up the pod, config file should be appended to the directory disabling the authentication.

I created a new user "Admin" with "Admin" role using the following command, and it works for me:

$ airflow users create \
      --username Admin \
      --firstname FIRST_NAME \
      --lastname LAST_NAME \
      --role Admin \
      --email admin@example.org

One way is to disable the RBAC via an environment variable. Make sure you set the following before starting the webserver:

export AIRFLOW__WEBSERVER__RBAC=False

See here for more details. The other answers here will all work as well!

For airflow 2.0.1 and later:

In file: $AIRFLOW_HOME/webserver_config.py

add/edit this line (note that by default it says = 'Public' and you need to change it!)

AUTH_ROLE_PUBLIC = 'Admin'

Documentation about this argument: https://airflow.apache.org/docs/apache-airflow/stable/security/webserver.html#web-authentication

The feature was added in this PR/change: https://github.com/apache/airflow/pull/13191 which was merged into airflow 2.0.1