Debian
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Fluent Bit is distributed as fluent-bit package and is available for the latest (and old) stable Debian systems: Buster, Stretch and Jessie.
A simple installation script is provided to be used for most Linux targets. This will always install the most recent version released.
This is purely a convenience helper and should always be validated prior to use. The recommended secure deployment approach is to follow the instructions below.
The first step is to add our server GPG key to your keyring, on that way you can get our signed packages. Follow the official Debian wiki guidance:
From the 1.9.0 and 1.8.15 releases please note that the GPG key has been updated at so ensure this new one is added.
The GPG Key fingerprint of the new key is:
The previous key is still available at and may be required to install previous versions.
The GPG Key fingerprint of the old key is:
Now let your system update the apt database:
Using the following apt-get command you are able now to install the latest fluent-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 fluent-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.
Refer to the 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 - ensure to set CODENAME to your specific (e.g. bullseye for Debian 11):