Samba docker container
Since 1992, Samba has provided secure, stable and fast file and print services for all clients using the SMB/CIFS protocol, such as all versions of DOS and Windows, OS/2, Linux and many others.
By default there are no shares configured, additional ones can be added.
sudo docker run -it -p 139:139 -p 445:445 -d dperson/samba -p
OR set local storage:
sudo docker run -it --name samba -p 139:139 -p 445:445 \
-v /path/to/directory:/mount \
-d dperson/samba -p
sudo docker run -it --rm dperson/samba -h
Usage: samba.sh [-opt] [command]
Options (fields in '[]' are optional, '<>' are required):
-h This help
-c "<from:to>" setup character mapping for file/directory names
required arg: "<from:to>" character mappings separated by ','
-G "<section;parameter>" Provide generic section option for smb.conf
required arg: "<section>" - IE: "share"
required arg: "<parameter>" - IE: "log level = 2"
-g "<parameter>" Provide global option for smb.conf
required arg: "<parameter>" - IE: "log level = 2"
-i "<path>" Import smbpassword
required arg: "<path>" - full file path in container
-n Start the 'nmbd' daemon to advertise the shares
-p Set ownership and permissions on the shares
-r Disable recycle bin for shares
-S Disable SMB2 minimum version
-s "<name;/path>[;browse;readonly;guest;users;admins;writelist;comment]"
Configure a share
required arg: "<name>;</path>"
<name> is how it's called for clients
<path> path to share
NOTE: for the default values, just leave blank
[browsable] default:'yes' or 'no'
[readonly] default:'yes' or 'no'
[guest] allowed default:'yes' or 'no'
NOTE: for user lists below, usernames are separated by ','
[users] allowed default:'all' or list of allowed users
[admins] allowed default:'none' or list of admin users
[writelist] list of users that can write to a RO share
[comment] description of share
-u "<username;password>[;ID;group;GID]" Add a user
required arg: "<username>;<passwd>"
<username> for user
<password> for user
[ID] for user
[group] for user
[GID] for group
-w "<workgroup>" Configure the workgroup (domain) samba should use
required arg: "<workgroup>"
<workgroup> for samba
-W Allow access wide symbolic links
-I Add an include option at the end of the smb.conf
required arg: "<include file path>"
<include file path> in the container, e.g. a bind mount
The 'command' (if provided and valid) will be run instead of samba
ENVIRONMENT VARIABLES
CHARMAP- As above, configure character mappingGENERIC- As above, configure a generic section option (See NOTE3 below)GLOBAL- As above, configure a global option (See NOTE3 below)IMPORT- As above, import a smbpassword fileNMBD- As above, enable nmbdPERMISSIONS- As above, set file permissions on all sharesRECYCLE- As above, disable recycle binSHARE- As above, setup a share (See NOTE3 below)SMB- As above, disable SMB2 minimum versionTZ- Set a timezone, IEEST5EDTUSER- As above, setup a user (See NOTE3 below)WIDELINKS- As above, allow access wide symbolic linksWORKGROUP- As above, set workgroupUSERID- Set the UID for the samba server's default user (smbuser)GROUPID- Set the GID for the samba server's default user (smbuser)INCLUDE- As above, add a smb.conf include
NOTE: if you enable nmbd (via -n or the NMBD environment variable), you
will also want to expose port 137 and 138 with -p 137:137/udp -p 138:138/udp.
NOTE2: there are reports that -n and NMBD only work if you have the
container configured to use the hosts network stack.
NOTE3: optionally supports additional variables starting with the same name,
IE SHARE also will work for SHARE2, SHARE3... SHAREx, etc.
Any of the commands can be run at creation with docker run or later with
docker exec -it samba samba.sh (as of version 1.3 of docker).
sudo docker run -it -e TZ=EST5EDT -p 139:139 -p 445:445 -d dperson/samba -p
sudo docker run -it -p 139:139 -p 445:445 -d dperson/samba -p \
-u "example1;badpass" \
-u "example2;badpass" \
-s "public;/share" \
-s "users;/srv;no;no;no;example1,example2" \
-s "example1 private share;/example1;no;no;no;example1" \
-s "example2 private share;/example2;no;no;no;example2"
- You get the error
Access is denied(or similar) on the client and/or seechange_to_user_internal: chdir_current_service() failed!in the container logs.
Add the -p option to the end of your options to the container, or set the
PERMISSIONS environment variable.
sudo docker run -it --name samba -p 139:139 -p 445:445 \
-v /path/to/directory:/mount \
-d dperson/samba -p
If changing the permissions of your files is not possible in your setup you
can instead set the environment variables USERID and GROUPID to the
values of the owner of your files.
- High memory usage by samba. Multiple people have reported high memory usage that's never freed by the samba processes. Recommended work around below:
Add the -m 512m option to docker run command, or mem_limit: in
docker_compose.yml files, IE:
sudo docker run -it --name samba -m 512m -p 139:139 -p 445:445 \
-v /path/to/directory:/mount \
-d dperson/samba -p
- Attempting to connect with the
smbclientcommandline tool. By default samba still tries to use SMB1, which is depriciated and has security issues. This container defaults to SMB2, which for no decernable reason even though it's supported is disabled by default so run the command assmbclient -m SMB3, then any other options you would specify.
If you have any problems with or questions about this image, please contact me through a GitHub issue.
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