# Environment variables

The Incus client and daemon respect some environment variables to adapt to
the user's environment and to turn some advanced features on and off.

## Common

| Name                 | Description                                                                        |
| :---                 | :---                                                                               |
| `INCUS_DIR`          | The Incus data directory                                                           |
| `INCUS_INSECURE_TLS` | If set to true, allows all default Go ciphers both for client <-> server communication and server <-> image servers (server <-> server and clustering are not affected) |
| `PATH`               | List of paths to look into when resolving binaries                                 |
| `http_proxy`         | Proxy server URL for HTTP                                                          |
| `https_proxy`        | Proxy server URL for HTTPS                                                         |
| `no_proxy`           | List of domains, IP addresses or CIDR ranges that don't require the use of a proxy |

## Client environment variable

| Name                | Description                                                       |
| :---                | :---                                                              |
| `EDITOR`            | What text editor to use                                           |
| `INCUS_CONF`        | Path to the client configuration directory                        |
| `INCUS_GLOBAL_CONF` | Path to the global client configuration directory                 |
| `INCUS_PROJECT`     | Name of the project to use (overrides configured default project) |
| `INCUS_REMOTE`      | Name of the remote to use (overrides configured default remote)   |
| `VISUAL`            | What text editor to use (if `EDITOR` isn't set)                   |

## Server environment variable

| Name                            | Description                                                                    |
| :---                            | :---                                                                           |
| `INCUS_AGENT_PATH`              | Path to the directory including the `incus-agent` builds                       |
| `INCUS_CLUSTER_UPDATE`          | Script to call on a cluster update                                             |
| `INCUS_DEVMONITOR_DIR`          | Path to be monitored by the device monitor. This is primarily for testing      |
| `INCUS_DOCUMENTATION`           | Path to the documentation to serve through the web server                      |
| `INCUS_EDK2_PATH`               | Path to EDK2 firmware build including `*_CODE.fd` and `*_VARS.fd`              |
| `INCUS_EXEC_PATH`               | Full path to the Incus binary (used when forking subcommands)                  |
| `INCUS_IDMAPPED_MOUNTS_DISABLE` | Disable idmapped mounts support (useful when testing traditional UID shifting) |
| `INCUS_LXC_TEMPLATE_CONFIG`     | Path to the LXC template configuration directory                               |
| `INCUS_SECURITY_APPARMOR`       | If set to `false`, forces AppArmor off                                         |
| `INCUS_SECURITY_SELINUX`        | If set to `true`, turns on SELinux integration                                 |
| `INCUS_SKIP_INSTANCE_TYPES`     | If set to `true`, skip downloading instance type definitions                   |
| `INCUS_UI`                      | Path to the web UI to serve through the web server                             |
| `INCUS_USBIDS_PATH`             | Path to the hwdata `usb.ids` file                                              |