update installation instructions

Author: furlongm

INSTALL.md

@@ -70,17 +70,15 @@ gunicorn patchman.wsgi -b 0.0.0.0:80
 
 ### Source
 
-#### Ubuntu 18.04 (bionic)
+#### Ubuntu 20.04 (focal)
 
 1. Install dependencies
 
 ```shell
-apt -y install -t buster-backports python3-django
-apt -y install python3-django-tagging python3-django-extensions
-python3-djangorestframework python3-defusedxml python3-lxml \
-python3-requests python3-rpm python3-debian \
-python3-colorama python3-humanize python3-magic \
-apache2 libapache2-mod-wsgi
+apt -y install python3-django python3-django-tagging python3-django-extensions \
+python3-djangorestframework python3-defusedxml python3-lxml python3-requests \
+python3-rpm python3-debian python3-colorama python3-humanize python3-magic \
+apache2 libapache2-mod-wsgi-py3 python3-pip python3-progressbar
 ```
 
 2. Install django-bootstrap3
@@ -313,8 +311,8 @@ Install Celery for realtime processing of reports from clients:
 #### Ubuntu / Debian
 
 ```shell
-apt -y install python3-celery redis python3-redis
-C_FORCE_ROOT=1 celery worker --loglevel=info -E -A patchman
+apt -y install python3-celery redis python3-redis python-celery-common
+C_FORCE_ROOT=1 celery worker --loglevel=info -b redis://localhost:6379/0 -E -A patchman
 ```
 
 #### CentOS / RHEL
@@ -323,7 +321,7 @@ C_FORCE_ROOT=1 celery worker --loglevel=info -E -A patchman
 dnf -y install python3-celery redis python3-redis
 systemctl restart redis-server
 semanage port -a -t http_port_t -p tcp 6379
-C_FORCE_ROOT=1 celery worker --loglevel=info -E -A patchman
+C_FORCE_ROOT=1 celery worker --loglevel=info -b redis://localhost:6379/0 -E -A patchman
 
 ```