205 lines
8.5 KiB
Markdown
205 lines
8.5 KiB
Markdown
---
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date: 2019-08-26T15:19:45+01:00
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title: "rclone serve dlna"
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slug: rclone_serve_dlna
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url: /commands/rclone_serve_dlna/
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---
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## rclone serve dlna
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Serve remote:path over DLNA
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### Synopsis
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rclone serve dlna is a DLNA media server for media stored in a rclone remote. Many
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devices, such as the Xbox and PlayStation, can automatically discover this server in the LAN
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and play audio/video from it. VLC is also supported. Service discovery uses UDP multicast
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packets (SSDP) and will thus only work on LANs.
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Rclone will list all files present in the remote, without filtering based on media formats or
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file extensions. Additionally, there is no media transcoding support. This means that some
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players might show files that they are not able to play back correctly.
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### Server options
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Use --addr to specify which IP address and port the server should
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listen on, eg --addr 1.2.3.4:8000 or --addr :8080 to listen to all
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IPs.
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Use --name to choose the friendly server name, which is by
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default "rclone (hostname)".
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Use --log-trace in conjunction with -vv to enable additional debug
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logging of all UPNP traffic.
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### Directory Cache
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Using the `--dir-cache-time` flag, you can set how long a
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directory should be considered up to date and not refreshed from the
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backend. Changes made locally in the mount may appear immediately or
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invalidate the cache. However, changes done on the remote will only
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be picked up once the cache expires.
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Alternatively, you can send a `SIGHUP` signal to rclone for
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it to flush all directory caches, regardless of how old they are.
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Assuming only one rclone instance is running, you can reset the cache
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like this:
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kill -SIGHUP $(pidof rclone)
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If you configure rclone with a [remote control](/rc) then you can use
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rclone rc to flush the whole directory cache:
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rclone rc vfs/forget
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Or individual files or directories:
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rclone rc vfs/forget file=path/to/file dir=path/to/dir
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### File Buffering
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The `--buffer-size` flag determines the amount of memory,
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that will be used to buffer data in advance.
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Each open file descriptor will try to keep the specified amount of
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data in memory at all times. The buffered data is bound to one file
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descriptor and won't be shared between multiple open file descriptors
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of the same file.
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This flag is a upper limit for the used memory per file descriptor.
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The buffer will only use memory for data that is downloaded but not
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not yet read. If the buffer is empty, only a small amount of memory
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will be used.
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The maximum memory used by rclone for buffering can be up to
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`--buffer-size * open files`.
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### File Caching
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These flags control the VFS file caching options. The VFS layer is
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used by rclone mount to make a cloud storage system work more like a
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normal file system.
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You'll need to enable VFS caching if you want, for example, to read
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and write simultaneously to a file. See below for more details.
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Note that the VFS cache works in addition to the cache backend and you
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may find that you need one or the other or both.
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--cache-dir string Directory rclone will use for caching.
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--vfs-cache-max-age duration Max age of objects in the cache. (default 1h0m0s)
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--vfs-cache-mode string Cache mode off|minimal|writes|full (default "off")
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--vfs-cache-poll-interval duration Interval to poll the cache for stale objects. (default 1m0s)
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--vfs-cache-max-size int Max total size of objects in the cache. (default off)
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If run with `-vv` rclone will print the location of the file cache. The
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files are stored in the user cache file area which is OS dependent but
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can be controlled with `--cache-dir` or setting the appropriate
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environment variable.
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The cache has 4 different modes selected by `--vfs-cache-mode`.
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The higher the cache mode the more compatible rclone becomes at the
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cost of using disk space.
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Note that files are written back to the remote only when they are
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closed so if rclone is quit or dies with open files then these won't
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get written back to the remote. However they will still be in the on
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disk cache.
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If using --vfs-cache-max-size note that the cache may exceed this size
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for two reasons. Firstly because it is only checked every
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--vfs-cache-poll-interval. Secondly because open files cannot be
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evicted from the cache.
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#### --vfs-cache-mode off
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In this mode the cache will read directly from the remote and write
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directly to the remote without caching anything on disk.
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This will mean some operations are not possible
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* Files can't be opened for both read AND write
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* Files opened for write can't be seeked
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* Existing files opened for write must have O_TRUNC set
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* Files open for read with O_TRUNC will be opened write only
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* Files open for write only will behave as if O_TRUNC was supplied
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* Open modes O_APPEND, O_TRUNC are ignored
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* If an upload fails it can't be retried
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#### --vfs-cache-mode minimal
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This is very similar to "off" except that files opened for read AND
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write will be buffered to disks. This means that files opened for
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write will be a lot more compatible, but uses the minimal disk space.
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These operations are not possible
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* Files opened for write only can't be seeked
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* Existing files opened for write must have O_TRUNC set
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* Files opened for write only will ignore O_APPEND, O_TRUNC
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* If an upload fails it can't be retried
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#### --vfs-cache-mode writes
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In this mode files opened for read only are still read directly from
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the remote, write only and read/write files are buffered to disk
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first.
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This mode should support all normal file system operations.
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If an upload fails it will be retried up to --low-level-retries times.
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#### --vfs-cache-mode full
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In this mode all reads and writes are buffered to and from disk. When
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a file is opened for read it will be downloaded in its entirety first.
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This may be appropriate for your needs, or you may prefer to look at
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the cache backend which does a much more sophisticated job of caching,
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including caching directory hierarchies and chunks of files.
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In this mode, unlike the others, when a file is written to the disk,
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it will be kept on the disk after it is written to the remote. It
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will be purged on a schedule according to `--vfs-cache-max-age`.
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This mode should support all normal file system operations.
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If an upload or download fails it will be retried up to
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--low-level-retries times.
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```
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rclone serve dlna remote:path [flags]
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```
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### Options
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```
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--addr string ip:port or :port to bind the DLNA http server to. (default ":7879")
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--dir-cache-time duration Time to cache directory entries for. (default 5m0s)
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--dir-perms FileMode Directory permissions (default 0777)
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--file-perms FileMode File permissions (default 0666)
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--gid uint32 Override the gid field set by the filesystem. (default 1000)
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-h, --help help for dlna
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--log-trace enable trace logging of SOAP traffic
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--name string name of DLNA server
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--no-checksum Don't compare checksums on up/download.
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--no-modtime Don't read/write the modification time (can speed things up).
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--no-seek Don't allow seeking in files.
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--poll-interval duration Time to wait between polling for changes. Must be smaller than dir-cache-time. Only on supported remotes. Set to 0 to disable. (default 1m0s)
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--read-only Mount read-only.
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--uid uint32 Override the uid field set by the filesystem. (default 1000)
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--umask int Override the permission bits set by the filesystem. (default 2)
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--vfs-cache-max-age duration Max age of objects in the cache. (default 1h0m0s)
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--vfs-cache-max-size SizeSuffix Max total size of objects in the cache. (default off)
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--vfs-cache-mode CacheMode Cache mode off|minimal|writes|full (default off)
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--vfs-cache-poll-interval duration Interval to poll the cache for stale objects. (default 1m0s)
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--vfs-read-chunk-size SizeSuffix Read the source objects in chunks. (default 128M)
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--vfs-read-chunk-size-limit SizeSuffix If greater than --vfs-read-chunk-size, double the chunk size after each chunk read, until the limit is reached. 'off' is unlimited. (default off)
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```
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See the [global flags page](/flags/) for global options not listed here.
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### SEE ALSO
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* [rclone serve](/commands/rclone_serve/) - Serve a remote over a protocol.
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