Provided by: radicale_3.5.3-1ubuntu1_all 
NAME
radicale - a simple calendar server
DESCRIPTION
usage: radicale [OPTIONS]
options:
-h, --help
show this help message and exit
--version
show program's version number and exit
--verify-storage
check the storage for errors and exit
-C, --config [CONFIG ...]
use specific configuration files
-D, --debug
print debug information
server:
-H, --hosts, --server-hosts VALUE
set server hostnames including ports
--server-max-connections VALUE
maximum number of parallel connections
--server-max-content-length VALUE
maximum size of request body in bytes
--server-timeout VALUE
socket timeout
-s, --ssl, --server-ssl [VALUE]
use SSL connection
-S, --no-ssl, --no-server-ssl
do not use SSL connection (opposite of --server-ssl)
--server-protocol VALUE
SSL/TLS protocol (Apache SSLProtocol format)
--server-ciphersuite VALUE
SSL/TLS Cipher Suite (OpenSSL cipher list format)
-c, --certificate, --server-certificate VALUE
set certificate file
-k, --key, --server-key VALUE
set private key file
--certificate-authority, --server-certificate-authority VALUE
set CA certificate for validating clients
--server-script-name VALUE
script name to strip from URI if called by reverse proxy (default taken from HTTP_X_SCRIPT_NAME or
SCRIPT_NAME)
encoding:
--encoding-request VALUE
encoding for responding requests
--encoding-stock VALUE
encoding for storing local collections
auth:
backend specific options omitted
--auth-type VALUE
authentication method (none|remote_user|http_x_remote_
user|denyall|htpasswd|ldap|imap|oauth2|pam|dovecot)
--auth-cache-logins [VALUE]
cache successful/failed logins for until expiration time
--no-auth-cache-logins
do not cache successful/failed logins for until expiration time (opposite of --auth-cache-logins)
--auth-cache-successful-logins-expiry VALUE
expiration time for caching successful logins in seconds
--auth-cache-failed-logins-expiry VALUE
expiration time for caching failed logins in seconds
--auth-htpasswd-filename VALUE
htpasswd filename
--auth-htpasswd-encryption VALUE
htpasswd encryption method
--auth-htpasswd-cache [VALUE]
enable caching of htpasswd file
--no-auth-htpasswd-cache
do not enable caching of htpasswd file (opposite of --auth-htpasswd-cache)
--auth-dovecot-connection-type VALUE
Connection type for dovecot authentication
--auth-dovecot-socket VALUE
dovecot auth AF_UNIX socket
--auth-dovecot-host VALUE
dovecot auth AF_INET or AF_INET6 host
--auth-dovecot-port VALUE
dovecot auth port
--auth-realm VALUE
message displayed when a password is needed
--auth-delay VALUE
incorrect authentication delay
--auth-ldap-ignore-attribute-create-modify-timestamp [VALUE]
Ignore modifyTimestamp and createTimestamp attributes. Need if Authentik LDAP server is used.
--no-auth-ldap-ignore-attribute-create-modify-timestamp
do not Ignore modifyTimestamp and createTimestamp attributes. Need if Authentik LDAP server is
used. (opposite of --auth-ldap-ignore-attribute-createmodify-timestamp)
--auth-ldap-uri VALUE
URI to the ldap server
--auth-ldap-base VALUE
LDAP base DN of the ldap server
--auth-ldap-reader-dn VALUE
the DN of a ldap user with read access to get the user accounts
--auth-ldap-secret VALUE
the password of the ldap_reader_dn
--auth-ldap-secret-file VALUE
path of the file containing the password of the ldap_reader_dn
--auth-ldap-filter VALUE
the search filter to find the user DN to authenticate by the username
--auth-ldap-user-attribute VALUE
the attribute to be used as username after authentication
--auth-ldap-groups-attribute VALUE
attribute to read the group memberships from
--auth-ldap-use-ssl [VALUE]
Use ssl on the ldap connection. Soon to be deprecated, use ldap_security instead
--no-auth-ldap-use-ssl
do not Use ssl on the ldap connection. Soon to be deprecated, use ldap_security instead (opposite
of --auth-ldap-use-ssl)
--auth-ldap-security VALUE
the encryption mode to be used: *none*|tls|starttls
--auth-ldap-ssl-verify-mode VALUE
The certificate verification mode. Works for tls and starttls. NONE, OPTIONAL, default is REQUIRED
--auth-ldap-ssl-ca-file VALUE
The path to the CA file in pem format which is used to certificate the server certificate
--auth-imap-host VALUE
IMAP server hostname: address|address:port|[address]:port|*localhost*
--auth-imap-security VALUE
Secure the IMAP connection: *tls*|starttls|none
--auth-oauth2-token-endpoint VALUE
OAuth2 token endpoint URL
--auth-pam-group-membership VALUE
PAM group user should be member of
--auth-pam-service VALUE
PAM service
--auth-strip-domain [VALUE]
strip domain from username
--no-auth-strip-domain
do not strip domain from username (opposite of --authstrip-domain)
--auth-uc-username [VALUE]
convert username to uppercase, must be true for caseinsensitive auth providers
--no-auth-uc-username
do not convert username to uppercase, must be true for case-insensitive auth providers (opposite
of --authuc-username)
--auth-lc-username [VALUE]
convert username to lowercase, must be true for caseinsensitive auth providers
--no-auth-lc-username
do not convert username to lowercase, must be true for case-insensitive auth providers (opposite
of --authlc-username)
--auth-urldecode-username [VALUE]
url-decode the username, set to True when clients send url-encoded email address as username
--no-auth-urldecode-username
do not url-decode the username, set to True when clients send url-encoded email address as
username (opposite of --auth-urldecode-username)
rights:
backend specific options omitted
--rights-type VALUE
rights backend
--rights-permit-delete-collection [VALUE]
permit delete of a collection
--no-rights-permit-delete-collection
do not permit delete of a collection (opposite of --rights-permit-delete-collection)
--rights-permit-overwrite-collection [VALUE]
permit overwrite of a collection
--no-rights-permit-overwrite-collection
do not permit overwrite of a collection (opposite of --rights-permit-overwrite-collection)
--rights-file VALUE
file for rights management from_file
storage:
backend specific options omitted
--storage-type VALUE
storage backend
--storage-filesystem-folder VALUE
path where collections are stored
--storage-filesystem-cache-folder VALUE
path where cache of collections is stored in case of use_cache_subfolder_* options are active
--storage-use-cache-subfolder-for-item [VALUE]
use subfolder 'collection-cache' for 'item' cache file structure instead of inside collection
folder
--no-storage-use-cache-subfolder-for-item
do not use subfolder 'collection-cache' for 'item' cache file structure instead of inside
collection folder (opposite of --storage-use-cache-subfolder-foritem)
--storage-use-cache-subfolder-for-history [VALUE]
use subfolder 'collection-cache' for 'history' cache file structure instead of inside collection
folder
--no-storage-use-cache-subfolder-for-history
do not use subfolder 'collection-cache' for 'history' cache file structure instead of inside
collection folder (opposite of --storage-use-cache-subfolder-forhistory)
--storage-use-cache-subfolder-for-synctoken [VALUE]
use subfolder 'collection-cache' for 'sync-token' cache file structure instead of inside
collection folder
--no-storage-use-cache-subfolder-for-synctoken
do not use subfolder 'collection-cache' for 'synctoken' cache file structure instead of inside
collection folder (opposite of --storage-use-cachesubfolder-for-synctoken)
--storage-use-mtime-and-size-for-item-cache [VALUE]
use mtime and file size instead of SHA256 for 'item' cache (improves speed)
--no-storage-use-mtime-and-size-for-item-cache
do not use mtime and file size instead of SHA256 for 'item' cache (improves speed) (opposite of
--storageuse-mtime-and-size-for-item-cache)
--storage-folder-umask VALUE
umask for folder creation (empty: system default)
--storage-max-sync-token-age VALUE
delete sync token that are older
--storage-skip-broken-item [VALUE]
skip broken item instead of triggering exception
--no-storage-skip-broken-item
do not skip broken item instead of triggering exception (opposite of --storage-skip-broken-item)
--storage-hook VALUE
command that is run after changes to storage
--storage-predefined-collections VALUE
predefined user collections
hook:
backend specific options omitted
--hook-type VALUE
hook backend
--hook-rabbitmq-endpoint VALUE
endpoint where rabbitmq server is running
--hook-rabbitmq-topic VALUE
topic to declare queue
--hook-rabbitmq-queue-type VALUE
queue type for topic declaration
web:
backend specific options omitted
--web-type VALUE
web interface backend
logging:
--logging-level VALUE
threshold for the logger
--logging-bad-put-request-content [VALUE]
log bad PUT request content
--no-logging-bad-put-request-content
do not log bad PUT request content (opposite of --logging-bad-put-request-content)
--logging-backtrace-on-debug [VALUE]
log backtrace on level=debug
--no-logging-backtrace-on-debug
do not log backtrace on level=debug (opposite of --logging-backtrace-on-debug)
--logging-request-header-on-debug [VALUE]
log request header on level=debug
--no-logging-request-header-on-debug
do not log request header on level=debug (opposite of --logging-request-header-on-debug)
--logging-request-content-on-debug [VALUE]
log request content on level=debug
--no-logging-request-content-on-debug
do not log request content on level=debug (opposite of --logging-request-content-on-debug)
--logging-response-content-on-debug [VALUE]
log response content on level=debug
--no-logging-response-content-on-debug
do not log response content on level=debug (opposite of --logging-response-content-on-debug)
--logging-rights-rule-doesnt-match-on-debug [VALUE]
log rights rules which doesn't match on level=debug
--no-logging-rights-rule-doesnt-match-on-debug
do not log rights rules which doesn't match on level=debug (opposite of
--logging-rights-rule-doesntmatch-on-debug)
--logging-storage-cache-actions-on-debug [VALUE]
log storage cache action on level=debug
--no-logging-storage-cache-actions-on-debug
do not log storage cache action on level=debug (opposite of
--logging-storage-cache-actions-on-debug)
--logging-mask-passwords [VALUE]
mask passwords in logs
--no-logging-mask-passwords
do not mask passwords in logs (opposite of --loggingmask-passwords)
headers:
additional options allowed (e.g. --headers-Pragma=no-cache)
reporting:
--reporting-max-freebusy-occurrence VALUE
number of occurrences per event when reporting
radicale 3.5.3-1ubuntu1 May 2025 RADICALE(1)