# Migration !!! warning Beginning with v2.5, NetBox will no longer support Python 2. It is strongly recommended that you upgrade to Python 3 as soon as possible. ## Ubuntu Remove the Python2 version of gunicorn: ```no-highlight # pip uninstall -y gunicorn ``` Install Python3 and pip3, Python's package management tool: ```no-highlight # apt-get update # apt-get install -y python3 python3-dev python3-setuptools # easy_install3 pip ``` Install the Python3 packages required by NetBox: ```no-highlight # pip3 install -r requirements.txt ``` Replace gunicorn with the Python3 version: ```no-highlight # pip3 install gunicorn ``` If using LDAP authentication, install the `django-auth-ldap` package: ```no-highlight # pip3 install django-auth-ldap ```