Debian

Calyptia Fluent Bit is distributed as calyptia-fluent-bit package and is available for the latest (and old) stable Debian systems: Buster, Stretch and Jessie.

Repository Access

As part of a Calyptia Fluent Bit subscription you recieve a unique customer id that is used for retrieving and updating packages. This customer id also includes a unique URL for you to retrieve all packages that are supported

Validating Packages

When retreiving packages from the repository we employ the use of dual validation (SHA256) as well as a GPG key. The SHA256 file ensure that the GPG key included is untampered and the SHA256 file is signed with the gpg

SHA256 check

The sha256 file is distirbuted in the same repository under the files.sha256 name and this contains a full ilst of all included packages.

shasum -a 256 calyptia-fluent-bit-X.<extension>

Signature Check

Calyptia packages are all signed via the calyptia.key that are included as part of your repositories. You can check the signatures by using the built-in dpkg and apt-key tool

Import Calyptia Key

apt-key add calyptia.key

Check Signature

dpkg-sig --list <package>

Update your repositories database

Now let your system update the apt database:

sudo apt-get update

We also recommend upgrading your system (sudo apt-get upgrade). This could avoid potential issues with expired certificates.

Install Calyptia Fluent Bit

Using the following apt-get command you are able now to install the latest fluent-bit:

sudo apt-get install calyptia-fluent-bit

Now the following step is to instruct systemd to enable the service:

sudo systemctl calyptia-fluent-bit start

If you do a status check, you should see a similar output like this:

sudo service calyptia-fluent-bit status
● calyptia-fluent-bit.service - Calyptia Fluent Bit
   Loaded: loaded (/lib/systemd/system/calyptia-fluent-bit.service; disabled; vendor preset: enabled)
   Active: active (running) since mié 2016-07-06 16:58:25 CST; 2h 45min ago
 Main PID: 6739 (calyptia-fluent-bit)
    Tasks: 1
   Memory: 656.0K
      CPU: 1.393s
   CGroup: /system.slice/calyptia-fluent-bit.service
           └─6739 /opt/calyptia-fluent-bit/bin/calyptia-fluent-bit -c /etc/calyptia-fluent-bit/calyptia-fluent-bit.conf
...

The default configuration of calyptia-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.