root@nc:/var/www/html/nextcloud# sudo -u www-data php  occ -h
Description:
  List commands

Usage:
  list [options] [--] [<namespace>]

Arguments:
  namespace             The namespace name

Options:
      --raw             To output raw command list
      --format=FORMAT   The output format (txt, xml, json, or md) [default: "txt"]
      --short           To skip describing commands' arguments
  -h, --help            Display help for the given command. When no command is given display help for the list command
  -q, --quiet           Do not output any message
  -V, --version         Display this application version
      --ansi|--no-ansi  Force (or disable --no-ansi) ANSI output
  -n, --no-interaction  Do not ask any interactive question
      --no-warnings     Skip global warnings, show command output only
  -v|vv|vvv, --verbose  Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug

Help:
  The list command lists all commands:

    occ list

  You can also display the commands for a specific namespace:

    occ list test

  You can also output the information in other formats by using the --format option:

    occ list --format=xml

  It's also possible to get raw list of commands (useful for embedding command runner):

    occ list --raw

root@vm-2:/var/www/html/nextcloud# sudo -u www-data php  occ
Nextcloud 30.0.4

Usage:
  command [options] [arguments]

Options:
  -h, --help            Display help for the given command. When no command is given display help for the list command
  -q, --quiet           Do not output any message
  -V, --version         Display this application version
      --ansi|--no-ansi  Force (or disable --no-ansi) ANSI output
  -n, --no-interaction  Do not ask any interactive question
      --no-warnings     Skip global warnings, show command output only
  -v|vv|vvv, --verbose  Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug

Available commands:
  check                                  check dependencies of the server environment
  completion                             Dump the shell completion script
  help                                   Display help for a command
  list                                   List commands
  setupchecks                            Run setup checks and output the results
  status                                 show some status information
  upgrade                                run upgrade routines after installation of a new release. The release has to be installed before.
 activity
  activity:send-mails                    Sends the activity notification mails
 admin-delegation
  admin-delegation:add                   add setting delegation to a group
  admin-delegation:remove                remove settings delegation from a group
  admin-delegation:show                  show delegated settings
 app
  app:disable                            disable an app
  app:enable                             enable an app
  app:getpath                            Get an absolute path to the app directory
  app:install                            install an app
  app:list                               List all available apps
  app:remove                             remove an app
  app:update                             update an app or all apps
 app_api
  app_api:app:config:delete              Delete ExApp configs
  app_api:app:config:get                 Get ExApp config
  app_api:app:config:list                List ExApp configs
  app_api:app:config:set                 Set ExApp config
  app_api:app:deploy                     Deploy ExApp on configured daemon
  app_api:app:disable                    Disable registered external app
  app_api:app:enable                     Enable registered external app
  app_api:app:list                       List ExApps
  app_api:app:register                   Install external App
  app_api:app:unregister                 Unregister external app
  app_api:app:update                     Update ExApp
  app_api:daemon:list                    List registered daemons
  app_api:daemon:register                Register daemon config for ExApp deployment
  app_api:daemon:unregister              Unregister daemon
 background
  background:cron                        [background:ajax|background:webcron] Use cron, ajax or webcron to run background jobs
 background-job
  background-job:delete                  Remove a background job from database
  background-job:execute                 Execute a single background job manually
  background-job:list                    List background jobs
  background-job:worker                  Run a background job worker
 broadcast
  broadcast:test                         test the SSE broadcaster
 circles
  circles:check                          Checking your configuration
  circles:maintenance                    Clean stuff, keeps the app running
  circles:manage:config                  edit config/type of a Circle
  circles:manage:create                  create a new circle
  circles:manage:destroy                 destroy a circle by its ID
  circles:manage:details                 get details about a circle by its ID
  circles:manage:edit                    edit displayName or description of a Circle
  circles:manage:join                    emulate a user joining a Circle
  circles:manage:leave                   simulate a user joining a Circle
  circles:manage:list                    listing current circles
  circles:manage:setting                 edit setting for a Circle
  circles:members:add                    Add a member to a Circle
  circles:members:details                get details about a member by its ID
  circles:members:level                  Change the level of a member from a Circle
  circles:members:list                   listing Members from a Circle
  circles:members:remove                 remove a member from a circle
  circles:members:search                 Change the level of a member from a Circle
  circles:memberships                    index and display memberships for local and federated users
  circles:migrate:customgroups
  circles:remote                         remote features
  circles:shares:files                   listing shares files
  circles:sync                           Sync Circles and Members
  circles:test                           testing some features
 config
  config:app:delete                      Delete an app config value
  config:app:get                         Get an app config value
  config:app:set                         Set an app config value
  config:import                          Import a list of configs
  config:list                            List all configs
  config:system:delete                   Delete a system config value
  config:system:get                      Get a system config value
  config:system:set                      Set a system config value
 dav
  dav:create-addressbook                 Create a dav addressbook
  dav:create-calendar                    Create a dav calendar
  dav:delete-calendar                    Delete a dav calendar
  dav:fix-missing-caldav-changes         Insert missing calendarchanges rows for existing events
  dav:list-calendars                     List all calendars of a user
  dav:move-calendar                      Move a calendar from an user to another
  dav:remove-invalid-shares              Remove invalid dav shares
  dav:retention:clean-up
  dav:send-event-reminders               Sends event reminders
  dav:sync-birthday-calendar             Synchronizes the birthday calendar
  dav:sync-system-addressbook            Synchronizes users to the system addressbook
 db
  db:add-missing-columns                 Add missing optional columns to the database tables
  db:add-missing-indices                 Add missing indices to the database tables
  db:add-missing-primary-keys            Add missing primary keys to the database tables
  db:convert-filecache-bigint            Convert the ID columns of the filecache to BigInt
  db:convert-mysql-charset               Convert charset of MySQL/MariaDB to use utf8mb4
  db:convert-type                        Convert the Nextcloud database to the newly configured one
  db:schema:expected                     Export the expected database schema for a fresh installation
  db:schema:export                       Export the current database schema
 encryption
  encryption:change-key-storage-root     Change key storage root
  encryption:decrypt-all                 Disable server-side encryption and decrypt all files
  encryption:disable                     Disable encryption
  encryption:enable                      Enable encryption
  encryption:encrypt-all                 Encrypt all files for all users
  encryption:list-modules                List all available encryption modules
  encryption:migrate-key-storage-format  Migrate the format of the keystorage to a newer format
  encryption:set-default-module          Set the encryption default module
  encryption:show-key-storage-root       Show current key storage root
  encryption:status                      Lists the current status of encryption
 federation
  federation:sync-addressbooks           Synchronizes addressbooks of all federated clouds
 files
  files:cleanup                          cleanup filecache
  files:copy                             Copy a file or folder
  files:delete                           Delete a file or folder
  files:get                              Get the contents of a file
  files:move                             Move a file or folder
  files:object:delete                    Delete an object from the object store
  files:object:get                       Get the contents of an object
  files:object:put                       Write a file to the object store
  files:put                              Write contents of a file
  files:recommendations:recommend        Shows recommended files for an account
  files:reminders                        List file reminders
  files:repair-tree                      Try and repair malformed filesystem tree structures
  files:scan                             rescan filesystem
  files:scan-app-data                    rescan the AppData folder
  files:transfer-ownership               All files and folders are moved to another user - outgoing shares and incoming user file shares (optionally) are moved as well.
 group
  group:add                              Add a group
  group:adduser                          add a user to a group
  group:delete                           Remove a group
  group:info                             Show information about a group
  group:list                             list configured groups
  group:removeuser                       remove a user from a group
 info
  info:file                              get information for a file
  info:file:space                        Summarize space usage of specified folder
 integrity
  integrity:check-app                    Check integrity of an app using a signature.
  integrity:check-core                   Check integrity of core code using a signature.
  integrity:sign-app                     Signs an app using a private key.
  integrity:sign-core                    Sign core using a private key.
 l10n
  l10n:createjs                          Create javascript translation files for a given app
 log
  log:file                               manipulate logging backend
  log:manage                             manage logging configuration
  log:tail                               Tail the nextcloud logfile
  log:watch                              Watch the nextcloud logfile
 maintenance
  maintenance:data-fingerprint           update the systems data-fingerprint after a backup is restored
  maintenance:mimetype:update-db         Update database mimetypes and update filecache
  maintenance:mimetype:update-js         Update mimetypelist.js
  maintenance:mode                       set maintenance mode
  maintenance:repair                     repair this installation
  maintenance:repair-share-owner         repair invalid share-owner entries in the database
  maintenance:theme:update               Apply custom theme changes
  maintenance:update:htaccess            Updates the .htaccess file
 metadata
  metadata:get                           get stored metadata about a file, by its id
 migrations
  migrations:preview                     Get preview of available DB migrations in case of initiating an upgrade
 notification
  notification:delete                    Delete a generated admin notification for the given user
  notification:generate                  Generate a notification for the given user
  notification:test-push                 Generate a notification for the given user
 photos
  photos:albums:add                      Add specified photo to album
  photos:albums:create                   Create a new album for a user
  photos:update-1000-cities              Update the list of 1000 and more inhabitant cities
 preview
  preview:generate                       generate a preview for a file
  preview:repair                         distributes the existing previews into subfolders
  preview:reset-rendered-texts           Deletes all generated avatars and previews of text and md files
 security
  security:bruteforce:attempts           Show bruteforce attempts status for a given IP address
  security:bruteforce:reset              resets bruteforce attempts for given IP address
  security:certificates                  list trusted certificates
  security:certificates:export           export the certificate bundle
  security:certificates:import           import trusted certificate in PEM format
  security:certificates:remove           remove trusted certificate
 serverinfo
  serverinfo:update-storage-statistics   Triggers an update of the counts related to storages used in serverinfo
 sharing
  sharing:cleanup-remote-storages        Cleanup shared storage entries that have no matching entry in the shares_external table
  sharing:delete-orphan-shares           Delete shares where the owner no longer has access to the file
  sharing:expiration-notification        Notify share initiators when a share will expire the next day.
 support
  support:report                         Generate a system report
 tag
  tag:add                                Add new tag
  tag:delete                             delete a tag
  tag:edit                               edit tag attributes
  tag:list                               list tags
 taskprocessing
  taskprocessing:task:list               list tasks
  taskprocessing:task:stats              get statistics for tasks
 text
  text:reset                             Reset a text document session to the current file content
 theming
  theming:config                         Set theming app config values
 trashbin
  trashbin:cleanup                       Remove deleted files
  trashbin:expire                        Expires the users trashbin
  trashbin:restore                       Restore all deleted files according to the given filters
  trashbin:size                          Configure the target trashbin size
 twofactorauth
  twofactorauth:cleanup                  Clean up the two-factor user-provider association of an uninstalled/removed provider
  twofactorauth:disable                  Disable two-factor authentication for a user
  twofactorauth:enable                   Enable two-factor authentication for a user
  twofactorauth:enforce                  Enabled/disable enforced two-factor authentication
  twofactorauth:state                    Get the two-factor authentication (2FA) state of a user
 update
  update:check                           Check for server and app updates
 user
  user:add                               adds an account
  user:auth-tokens:add                   [user:add-app-password] Add app password for the named account
  user:auth-tokens:delete                Deletes an authentication token
  user:auth-tokens:list                  List authentication tokens of an user
  user:clear-avatar-cache                clear avatar cache
  user:delete                            deletes the specified user
  user:disable                           disables the specified user
  user:enable                            enables the specified user
  user:info                              show user info
  user:keys:verify                       Verify if the stored public key matches the stored private key
  user:lastseen                          shows when the user was logged in last time
  user:list                              list configured users
  user:report                            shows how many users have access
  user:resetpassword                     Resets the password of the named user
  user:setting                           Read and modify user settings
  user:sync-account-data                 sync user backend data to accounts table for configured users
 versions
  versions:cleanup                       Delete versions
  versions:expire                        Expires the users file versions
 webhook_listeners
  webhook_listeners:list                 Lists configured webhook listeners
 workflows
  workflows:list                         Lists configured workflows