sudo -u www-data php occ config:list system

{
    "system": {
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "localhost",
            "cloud.domain.com",
        ],
        "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
        "forwarded_for_headers": [
            "HTTP_X_FORWARDED_FOR"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "mysql",
        "version": "32.0.3.2",
        "overwrite.cli.url": "https:\/\/cloud.domain.com",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "mysql.utf8mb4": true,
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "log_type": "file",
        "logfile": "\/var\/log\/nextcloud.log",
        "logtimezone": "Asia\/Kolkata",
        "memcache.local": "\\OC\\Memcache\\APCu",
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": 6379,
            "timeout": 0
        },
        "default_phone_region": "IN",
        "enable_previews": true,
        "preview_max_x": 2048,
        "preview_max_y": 2048,
        "preview_max_scale_factor": 10,
        "cron_log": true,
        "appstoreenabled": true,
        "appstoreurl": "https:\/\/apps.nextcloud.com\/api\/v1",
        "log_rotate_size": 1048576,
        "skeletondirectory": "",
        "max_filesize_animated_gifs_public_sharing": 5,
        "overwriteprotocol": "https",
        "htaccess.RewriteBase": "\/",
        "knowledgebaseenabled": false,
        "activity_expire_days": 1,
        "maintenance_window_start": 1,
        "maintenance": false,
        "onlyoffice": {
            "DocumentServerUrl": "https:\/\/office.cloud.domain.com",
            "DocumentServerInternalUrl": "https:\/\/office.cloud.domain.com",
            "Secret": "0HBig5Wrwu5UOQFdROkCF3IeYqpkJa2Z"
        },
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "smtp",
        "mail_sendmailmode": "smtp",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "587",
        "mail_smtpauth": true,
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "disable_default_app": true,
        "theme": "",
        "simpleSignUpLink.shown": false,
        "loglevel": 2,
        "forbidden_filename_basenames": [
            "con",
            "prn",
            "aux",
            "nul",
            "com0",
            "com1",
            "com2",
            "com3",
            "com4",
            "com5",
            "com6",
            "com7",
            "com8",
            "com9",
            "com\u00b9",
            "com\u00b2",
            "com\u00b3",
            "lpt0",
            "lpt1",
            "lpt2",
            "lpt3",
            "lpt4",
            "lpt5",
            "lpt6",
            "lpt7",
            "lpt8",
            "lpt9",
            "lpt\u00b9",
            "lpt\u00b2",
            "lpt\u00b3"
        ],
        "forbidden_filename_characters": [
            "<",
            ">",
            ":",
            "\"",
            "|",
            "?",
            "*",
            "\\",
            "\/"
        ],
        "forbidden_filename_extensions": [
            " ",
            ".",
            ".filepart",
            ".part"
        ],
        "statistics.usage.enabled": false,
        "app_install_overwrite": [
            "snappymail"
        ]
    }
}