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(images-remote)=
# How to use remote images
The `lxc` CLI command is pre-configured with several remote image servers.
See {ref}`remote-image-servers` for an overview.
## List configured remotes
To see all configured remote servers, enter the following command:
lxc remote list
Remote servers that use the [simple streams format](https://git.launchpad.net/simplestreams/tree/) are pure image servers.
Servers that use the `lxd` format are LXD servers, which either serve solely as image servers or might provide some images in addition to serving as regular LXD servers.
See {ref}`remote-image-server-types` for more information.
## List available images on a remote
To list all remote images on a server, enter the following command:
lxc image list <remote>:
You can filter the results.
See {ref}`images-manage-filter` for instructions.
## Add a remote server
How to add a remote depends on the protocol that the server uses.
### Add a simple streams server
To add a simple streams server as a remote, enter the following command:
lxc remote add <remote_name> <URL> --protocol=simplestreams
The URL must use HTTPS.
### Add a remote LXD server
To add a LXD server as a remote, enter the following command:
lxc remote add <remote_name> <IP|FQDN|URL> [flags]
Some authentication methods require specific flags (for example, use `lxc remote add <remote_name> <IP|FQDN|URL> --auth-type=candid` for Candid authentication).
See {ref}`authentication` for more information.
For example, enter the following command to add a remote through an IP address:
lxc remote add my-remote 192.0.2.10
You are prompted to confirm the remote server fingerprint and then asked for the password or token, depending on the authentication method used by the remote.
## Reference an image
To reference an image, specify its remote and its alias or fingerprint, separated with a colon.
For example:
ubuntu:22.04
ubuntu-minimal:22.04
local:ed7509d7e83f
(images-remote-default)=
## Select a default remote
If you specify an image name without the name of the remote, the default image server is used.
To see which server is configured as the default image server, enter the following command:
lxc remote get-default
To select a different remote as the default image server, enter the following command:
lxc remote switch <remote_name>
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