# Compatibility

The package is built for Debian and Ubuntu servers that run cron. It declares no dependency beyond `gawk` and `gnuplot-nox`, which `apt` installs, and it installs no kernel module or compiled binary of its own. The repository's install guide gives the procedure.

For version 1.0.0-14, installation, `argus-chart --help`, `argus-chart period` on sample data and removal were played in a container on Debian 12, Debian 13, Ubuntu 22.04 and Ubuntu 24.04. That is a container validation, not a test on a real server.

## What the server needs

- Debian or Ubuntu, with cron running;
- `gawk` and `gnuplot-nox`, installed by `apt` with the package;
- a POSIX shell, used by the collectors and the chart scripts.

`rsync` and `openssh-client` are recommended, because they serve `argus-fetch` on the desk. They are not needed for the collection itself.

## What is optional

Fail2Ban, CrowdSec and `jq` are optional. Without Fail2Ban, the SSH series is still collected. Without CrowdSec, its series is absent. A source that is not installed is reported as absent by `argus-doctor.sh`; that is normal.

## What is not covered

The package and its documentation cover Debian and Ubuntu. Another distribution is not covered: the package is architecture-independent, but its dependencies, its paths and its cron file are the Debian ones.

The package installs scripts, a configuration file and a cron entry. It does not change the SSH configuration, the firewall or the Fail2Ban and CrowdSec settings of the server.

The repository's [install guide](https://github.com/RonanDavalan/Argus/blob/main/docs/install.md) lists the files and the commands. The [troubleshooting guide](https://github.com/RonanDavalan/Argus/blob/main/docs/troubleshooting.md) gives the checks to run when a source stays silent.