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croc/webmin

By croc

•Updated over 7 years ago

My basic webmin install for LDAP administration

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croc/webmin repository overview

⁠Webmin container for LDAP Administration

This is an LDAP manager container to my openldap container:

Not the best, but good option, and it has a web UI for easier management. :)

⁠Build

docker build -t croc/webmin .

You can change the default webmin password at the build, example:

docker build -t croc/webmin --build-arg DEFAULT_PASS=myNewPass .

⁠Run

docker run -tid --name webmin -v $PWD/backup:/backup -p 10000:10000 croc/webmin

or with docker-compose:

docker-compose up -d

You can access Your webmin UI on the https://:10000 URL. Default login is: root / SuperSecret If you changed this default password, try login with your password.

⁠Config

You have to configure the default webmin installation.

  1. Login into the webmin UI.
  2. search "ldap" and choose "LDAP Users and Groups" module
  3. click on "Module Config" option
  4. set the default config with these parameters:
- LDAP server host: `< your docker host that runs LDAP container >` , example: `192.168.56.103`

- LDAP server port: `389`
- LDAP server uses encryption?: `no`
- Bind to LDAP server as: `cn=admin,dc=< domain >,dc=< ltd >` , example: `cn=admin,dc=mydomain,dc=site`
- Credentials for bind name above: < ldap admin password of your ldap installation > , example: `MySecret`
- Base for users: example: `ou=People,dc=mydomain,dc=site`
- Base for groups: example: `ou=Group,dc=mydomain,dc=site`
- Other objectClasses to add to new users: `inetOrgPerson posixAccount sambaSamAccount shadowAccount`
or without "sambaSamAccount" if you don't use samba server
- Object class to add for given name?: `inetOrgPerson`

- LDAP properties for all new users: `mail: ${USER}@example.com`
- LDAP properties for modified users: `mail: ${USER}@example.com`
- Extra LDAP user properties to allow editing of: `mail email address`

- Lowest UID for new users: `5000`
  (increment and choose a free automatically)
- Lowest GID for new groups: `5000`
  (increment and choose a free automatically)

- Default primary group for new users: `BaseGroup`
  or your default LDAP group
- Default shell for new users: `/bin/false`

other options is your choice :)

  1. click the save button at the buttom of the page
  2. you can see an empty list or your users and groups in your LDAP after this setup
⁠Config Backup and Restore
⁠Script method

You can use backup script:

docker exec -ti webmin /opt/backup.sh

This script copies all files and folders from the /etc/webmin folder to the /backup folder.

You can restore backed up configuration from the /backup folder to the /etc/webmin folder with this command:

docker exec -ti webmin /opt/restore.sh

But don't forget! You have to restart webmin container after the restore to update and reread config files.

⁠Manual method

You should backup the /etc/webmin/ldap-useradmin/config from the webmin container. Example:

docker cp webmin:/etc/webmin/ldap-useradmin/config /backup/ldap-config

The restore process is reverse. Example:

docker cp /backup/ldap-config webmin:/etc/webmin/ldap-useradmin/config

You can backup and restore every used module like this.

Good Luck!

Tag summary

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Image

Digest

Size

158 MB

Last updated

over 7 years ago

docker pull croc/webmin