Fluent Bit is distributed as td-agent-bit package and is available for the latest (and old) stable Debian systems: Buster, Stretch and Jessie.
The first step is to add our server GPG key to your keyring, on that way you can get our signed packages:
From the 1.9.0 and 1.8.15 releases please note that the GPG key has been updated at https://packages.fluentbit.io/fluentbit.key so ensure this new one is added.
The GPG Key fingerprint of the new key is:
The previous key is still available at https://packages.fluentbit.io/fluentbit-legacy.key and may be required to install previous versions.
The GPG Key fingerprint of the old key is:
Refer to the supported platform documentation to see which platforms are supported in each release.
On Debian, you need to add our APT server entry to your sources lists, please add the following content at bottom of your /etc/apt/sources.list file:
Now let your system update the apt database:
We recommend upgrading your system (sudo apt-get upgrade). This could avoid potential issues with expired certificates.
Using the following apt-get command you are able now to install the latest td-agent-bit:
Now the following step is to instruct systemd to enable the service:
If you do a status check, you should see a similar output like this:
The default configuration of td-agent-bit is collecting metrics of CPU usage and sending the records to the standard output, you can see the outgoing data in your /var/log/syslog file.