使用mysqladmin --help檢視mysql是從哪兒載入配置檔案的
阿新 • • 發佈：2018-11-03
[email protected]:~# mysqladmin --help mysqladmin Ver 8.42 Distrib 5.7.21, for Linux on x86_64 Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Administration program for the mysqld daemon. Usage: mysqladmin [OPTIONS] command command.... --bind-address=name IP address to bind to. -c, --count=# Number of iterations to make. This works with -i (--sleep) only. -#, --debug[=#] This is a non-debug version. Catch this and exit. --debug-check This is a non-debug version. Catch this and exit. --debug-info This is a non-debug version. Catch this and exit. -f, --force Don't ask for confirmation on drop database; with multiple commands, continue even if an error occurs. -C, --compress Use compression in server/client protocol. --character-sets-dir=name Directory for character set files. --default-character-set=name Set the default character set. -?, --help Display this help and exit. -h, --host=name Connect to host. -b, --no-beep Turn off beep on error. -p, --password[=name] Password to use when connecting to server. If password is not given it's asked from the tty. -P, --port=# Port number to use for connection or 0 for default to, in order of preference, my.cnf, $MYSQL_TCP_PORT, /etc/services, built-in default (3306). --protocol=name The protocol to use for connection (tcp, socket, pipe, memory). -r, --relative Show difference between current and previous values when used with -i. Currently only works with extended-status. --secure-auth Refuse client connecting to server if it uses old (pre-4.1.1) protocol. Deprecated. Always TRUE -s, --silent Silently exit if one can't connect to server. -S, --socket=name The socket file to use for connection. -i, --sleep=# Execute commands repeatedly with a sleep between. --ssl-mode=name SSL connection mode. --ssl Deprecated. Use --ssl-mode instead. (Defaults to on; use --skip-ssl to disable.) --ssl-verify-server-cert Deprecated. Use --ssl-mode=VERIFY_IDENTITY instead. --ssl-ca=name CA file in PEM format. --ssl-capath=name CA directory. --ssl-cert=name X509 cert in PEM format. --ssl-cipher=name SSL cipher to use. --ssl-key=name X509 key in PEM format. --ssl-crl=name Certificate revocation list. --ssl-crlpath=name Certificate revocation list path. --tls-version=name TLS version to use, permitted values are: TLSv1, TLSv1.1 -u, --user=name User for login if not current user. -v, --verbose Write more information. -V, --version Output version information and exit. -E, --vertical Print output vertically. Is similar to --relative, but prints output vertically. -w, --wait[=#] Wait and retry if connection is down. --connect-timeout=# --shutdown-timeout=# --plugin-dir=name Directory for client-side plugins. --default-auth=name Default authentication client-side plugin to use. --enable-cleartext-plugin Enable/disable the clear text authentication plugin. --show-warnings Show warnings after execution Variables (--variable-name=value) and boolean options {FALSE|TRUE} Value (after reading options) --------------------------------- ---------------------------------------- bind-address (No default value) count 0 force FALSE compress FALSE character-sets-dir (No default value) default-character-set utf8mb4 host (No default value) no-beep FALSE port 0 relative FALSE secure-auth TRUE socket (No default value) sleep 0 ssl TRUE ssl-verify-server-cert FALSE ssl-ca (No default value) ssl-capath (No default value) ssl-cert (No default value) ssl-cipher (No default value) ssl-key (No default value) ssl-crl (No default value) ssl-crlpath (No default value) tls-version (No default value) user (No default value) verbose FALSE vertical FALSE connect-timeout 43200 shutdown-timeout 3600 plugin-dir (No default value) default-auth (No default value) enable-cleartext-plugin FALSE show-warnings FALSE Default options are read from the following files in the given order: /etc/my.cnf /etc/mysql/my.cnf ~/.my.cnf The following groups are read: mysqladmin client The following options may be given as the first argument: --print-defaults Print the program argument list and exit. --no-defaults Don't read default options from any option file, except for login file. --defaults-file=# Only read default options from the given file #. --defaults-extra-file=# Read this file after the global files are read. --defaults-group-suffix=# Also read groups with concat(group, suffix) --login-path=# Read this path from the login file. Where command is a one or more of: (Commands may be shortened) create databasename Create a new database debug Instruct server to write debug information to log drop databasename Delete a database and all its tables extended-status Gives an extended status message from the server flush-hosts Flush all cached hosts flush-logs Flush all logs flush-status Clear status variables flush-tables Flush all tables flush-threads Flush the thread cache flush-privileges Reload grant tables (same as reload) kill id,id,... Kill mysql threads password [new-password] Change old password to new-password in current format ping Check if mysqld is alive processlist Show list of active threads in server reload Reload grant tables refresh Flush all tables and close and open logfiles shutdown Take server down status Gives a short status message from the server start-slave Start slave stop-slave Stop slave variables Prints variables available version Get version info from server
其中
Default options are read from the following files in the given order:
/etc/my.cnf /etc/mysql/my.cnf ~/.my.cnf
說明了mysql從/etc/my.cnf、 /etc/mysql/my.cnf 、~/.my.cnf 依次載入配置檔案。