Install Rudder relay on Debian or Ubuntu
Relay servers won’t work if you don’t have a valid scale-out-relay plugin installed.
If you install a relay without that plugin, policy generation will fail, preventing new policies to be applied to your Nodes.
More information about plugins in dedicated section
If you need to use syslog reporting, which is not the general case,
Rudder agent requires that a syslog server
is installed on the node. This syslog server can be either
One of them is generally installed by default, but it may not be the case with minimal images.
In this case you should install one (preferably
Each official package is signed with our GPG signature. To ensure the packages you will install are official builds and have not been altered, import our key into apt using the following command:
wget --quiet -O /etc/apt/trusted.gpg.d/rudder_apt_key.gpg "https://repository.rudder.io/apt/rudder_apt_key.gpg"
Our key fingerprint is:
pub 4096R/474A19E8 2011-12-15 Rudder Project (release key) <email@example.com> Key fingerprint = 7C16 9817 7904 212D D58C B4D1 9322 C330 474A 19E8
On old debian version (before Debian 7 and before Ubuntu 10.04), you should use the apt-key tool instead:
wget --quiet -O- "https://repository.rudder.io/apt/rudder_apt_key.pub" | sudo apt-key add -
Add Rudder’s package repository:
# If lsb_release is not installed on your machine, change $(lb_release -cs) by your distribution codename. # Ex: # stretch for Debian 9 # bionic for Ubuntu 18.04 LTS echo "deb http://repository.rudder.io/apt/6.1/ $(lsb_release -cs) main" > /etc/apt/sources.list.d/rudder.list
If you have an active subscription, use the following to get access to long term support (you need to replace the user name and the password by your Rudder account):
Update your local package database to retrieve the list of packages available on our repository:
Install the package:
apt-get install rudder-server-relay
To complete this step, please make sure that your node is configured successfully and appears in your Rudder web interface.
You have to tell the Rudder root server that a node will be a relay. To do so,
launch the rudder-node-to-relay script on the root server, supplying the UUID of the
host to be considered as a relay. You can find the UUID of your node with the
rudder agent info command.
rudder server node-to-relay <aaaaaaaa-bbbb-cccc-dddd-eeeeeeee>
When every step has completed successfully:
The Rudder root server will recognize the new node as a relay
It will generate specific policies for the relay
The relay will update and switch to his new role
This is an example of node details pane showing a relay server. Note the "Role: Rudder relay server" part that shows that the machine has successfully changed from a node to a relay.
When you have at least one relay, you will likely want to add nodes on it.
You then have two possible cases:
You want to switch an already existing node to the relay
You want to add a new one
The procedure on both cases is the same, you have to:
Update the policy server with the IP address or the fully qualified domain name of the relay server (instead of the root server) and reset pinned public key
rudder agent policy-server <rudder relay ip or hostname> rudder agent server-keys-reset
Trigger an inventory immediately to make sure the node is registered correctly
rudder agent inventory
After those steps, the node should be registered correctly on your Rudder infrastructure.
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