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# 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 |
|
