We're big fans of Zoom.us - it's one of the best online meeting services in terms of quality, features and price. What we also love is the "self hosted" or "on premise" feature, which allows you to host Zoom on your servers.
Why host Zoom on your own servers? Well, the benefits are mainly around performance: instead of running in the shared Zoom.us cloud service with zillions of other users, you can host all your meetings on private infrastructure. No noisy neighbors, lots of horsepower. More importantly, if you're using a premium provider like Packet, you'll also get fantastic, top-tier bandwidth which immensely improves the meeting experience for everyone.
In this guide, we'll walk you through how to implement Zoom's Meeting Connector (which is the application that runs Zoom) on a pair of low cost Packet servers. Note: the Meeting Connector still leverages Zoom's portal to run stuff like user management, meeting schedules, etc so this is just about installing the meeting software.
First, you'll you need to have a Business or Education account with Zoom.us, and you'll need to subscribe for over 10 Pro hosts. Once that's ready, navigate to "Enable Meeting Connector" on your admin page. Enabling the meeting connector allows you to leverage the on-premise, super fast, and private hosted version of Zoom!
We chose to run the meeting connector on two of our smallest instances - the $.05/hr Tiny But Mighty - with both servers running Ubuntu 16.04. Why two? Well, Zoom allows two Meeting Connectors - in the event one fails, the other takes over seamlessly:
"Each MMR process supports up to 350 concurrent meeting participants at the same time. That is, if you deploy one Controller VM, your Meeting Connector supports 350 concurrent participants. If you deploy another Controller VM for HA, your total capacity increases to 700."
Links to the Zoom Meeting Connector configuration files can be found in the Zoom portal.
The next step is to setup a virtualized environment. To manage the virtual machines we went with VirtualBox.
1 . Update the apt sources list with a mirror for the VirtualBox download.
echo "deb http://download.virtualbox.org/virtualbox/debian xenial contrib" >> /etc/apt/sources.list
2 . Download some packages along with VirtualBox.
- dkms (Dynamic Kernel Module Support) is "designed to create a framework where kernel dependant module source can reside so that it is very easy to rebuild modules as you upgrade kernels."
- unzip lets you extract files from a ZIP archive.
- wget is a non-interactive web file downloader.
- bridge-utils allows you to manage bridge networks. We will need to create a bridge network for the Zoom Meeting Connector virtual machine.
- linux-headers-4.8.0-32-lowlatency is needed to load the VirtualBox kernel module. The kernel gets downloaded with the VirtualBox download.
apt-get install build-essential dkms unzip wget bridge-utils linux-headers-4.8.0-32-lowlatency virtualbox-5.1
3 . Download and install the VirtualBox extension pack.
cd /tmp wget http://download.virtualbox.org/virtualbox/5.1.0/ Oracle_VM_VirtualBox_Extension_Pack-5.1.0-108711.vbox-extpack VBoxManage extpack install Oracle_VM_VirtualBox_Extension_Pack-5.1.0-108711.vbox-extpack
4 . Reboot the machine.
The kernel installed by VirtualBox needs to boot up; at the time of this writing, that's linux-image-4.8.0-32-lowlatency.
5 . When you're back up and running, build the VirtualBox kernel modules and start the VirtualBox services.
6 . Setup the network.
# This virtual loopback interface is a workaround to avoid the bridge not being available on reboot. echo "auto lo:0 iface lo:0 inet manual" >> /etc/network/interfaces
# We're using a Packet assigned elastic IP address here that'll act as the gateway router for our virtual machine. # You'll need 2 elastic IPs in total, one for the gateway and one for the virtual machine. echo "auto vmbr0 iface vmbr0 inet static address 18.104.22.168 netmask 255.255.255.254 bridge_ports lo:0 bridge_stp off" >> /etc/network/interfaces
# Bring up the new interface. ifup vmbr0
# Need to uncomment this line inside sysctl.conf to enable packet forwarding for IPv4. sed -i "/net.ipv4.ip_forward=1/ s/# *//" /etc/sysctl.conf
7 . Download the OVM and VMDK files from Zoom and add them to VirtualBox.
cd /tmp wget http://hybridupdate.zoom.us/latest/controller/Zoomus_Control_vapp_OVF09.ovf wget http://hybridupdate.zoom.us/latest/controller/system.vmdk # Add the downloaded configurations. VBoxManage import Zoomus_Control_vapp_OVF09.ovf # Add our bridge network to the Zoom Meeting Connector VM and enable the graphical interface. # We'll need to access the virtual machine and configure it's network. VBoxManage modifyvm "Zoom Meeting Connector-Controller" --bridgeadapter1 vmbr0 VBoxManage modifyvm "Zoom Meeting Connector-Controller" --vrde on
8 . Configure the Zoom Meeting Connector-Controller so that it starts automatically in the event of a reboot.
echo "VBOXAUTOSTART_DB=/etc/vbox VBOXAUTOSTART_CONFIG=/etc/vbox/vbox.cfg" >> /etc/default/virtualbox echo "default_policy = allow" >> /etc/vbox/vbox.cfg chgrp vboxusers /etc/vbox chmod 1775 /etc/vbox VBoxManage setproperty autostartdbpath /etc/vbox VBoxManage modifyvm "Zoom Meeting Connector-Controller" --autostart-enabled on VBoxManage modifyvm "Zoom Meeting Connector-Controller" --autostart-delay 30
9 . Start the Zoom Meeting Connector-Controller! : )
VBoxManage startvm "Zoom Meeting Connector-Controller" --type headless
10 . Configure the Virtual Machine's networking interface.
We used Microsoft Remote Desktop for MacOS. To log in use your machine's IP along with the port Zoom Meeting Connector-Controller was running on, in this case, that's 3389. You can check the port by running VBoxManage
11 . Remove ifcfg-eth0:0...
rm -f /etc/sysconfig/network-scripts/ifcfg-eth0:0
12 . Edit ifcfg-eth0.
IPADDR is the second IP mentioned in the comments above. The first IP was used to configure our bridge network to function as the gateway. The machine runs CentOS so the most convenient option is to use the default editor, vi.
DEVICE=eth0 BOOTPROTO=none ONBOOT=yes TYPE=ethernet DNS=22.214.171.124 IPV6INIT=no IPADDR=126.96.36.199 NETMASK=255.255.255.254 GATEWAY=188.8.131.52 BROADCAST=184.108.40.206
13 . Restart the network.
service network restart
14 . Reboot the host machine.
To finalize the installation navigate to the machine at port 5480 over https and follow these steps. Additionally, you can and should configure your firewall to allow the necessary connections from Zoom. You can find that information on Zoom here.
Starting Meetings On Zoom's Meeting Connector
The host of a meeting needs to be set to Type Corp to take advantage of all your hard work and the newly configured Zoom Meeting Connector. Navigate to the user management section on Zoom, check the user you'd like to change and click on Type under Changeto update a user to Corp.
And that's it! Now, all of your Zoom conference audio and video data is accepted and distributed on Packet hardware.
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