> For the complete documentation index, see [llms.txt](https://docs.ardexa.com/knowledge/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ardexa.com/knowledge/configure/ardexalinux/ardexalinux-operating-system.md).

# ArdexaLinux Operating System

The ArdexaLinux is a Debian based Linux image produced by Ardexa. It contains features that support remote Internet of Things (IoT) installations. ArdexaLinux provides a number of benefits designed to provide your installation of Ardexa Devices as seamless, stable and ease-of-use experience as possible. We recommend it be used for the following advantages:

* The default network manager is updated for easier configuration
* It will automatically connect, and remain connected to, any DHCP enabled Ethernet network.
* It will automatically connect to the ArdexaNet WIFI dongle, if available.
* It will allow connection to the Internet via mobile phone USB tethering.
* It will allow all network settings to be configured via the cloud.
* Includes tools to keep the Ardexa Agent alive.
* Includes tools to keep the device alive, eg. [watchdog](https://linuxhint.com/linux-kernel-watchdog-explained/)
* Inbuilt firewall enabled ([UFW](https://www.linux.com/tutorials/introduction-uncomplicated-firewall-ufw/))
* Preinstalled with Discovery Tools
* Tools for network management, USB tethering, USB Ethernet and 4g modem.
* Black box recorder; tracks network availability, DNS and gateway, and many other parameters