install youtube-dl wihtout recommends

README.md

@@ -10,7 +10,7 @@
   pan.do/ra is known to work with Ubuntu 18.04 and Debian/10 (buster),
   other distributions might also work, let us know if it works for you.
 
-  Use the following commands to install pan.do/ra and all dependencies:
+  Use the following commands as root to install pan.do/ra and all dependencies:
 
 ```
 cd /root

vm/pandora_install.sh

@@ -25,7 +25,6 @@ LXC=`grep -q lxc /proc/1/environ && echo 'yes' || echo 'no'`
 if [ -e /etc/os-release ]; then
     . /etc/os-release
 fi
-SYSTEMD="yes"
 if [ -z "$UBUNTU_CODENAME" ]; then
     UBUNTU_CODENAME=bionic
 fi
@@ -98,11 +97,12 @@ apt-get install -y \
     gpac \
     imagemagick \
     poppler-utils \
-    youtube-dl \
     ipython3 \
     postfix \
     postgresql-client $EXTRA
 
+apt-get install -y --no-install-recommends youtube-dl rtmpdump
+
 # setup database
 
 if [ "$POSTGRES" == "local" ]; then