MySQL 8.0 Reference Manual Including MySQL NDB Cluster 8.0

4.5.2 mysqladmin — Client for Administering a MySQL Server

mysqladmin is a client for performing administrative operations. You can use it to check the server's configuration and current status, to create and drop databases, and more.

Invoke mysqladmin like this:

shell> mysqladmin [options] command [command-arg] [command [command-arg]] ...

mysqladmin supports the following commands. Some of the commands take an argument following the command name.

All commands can be shortened to any unique prefix. For example:

shell> mysqladmin proc stat
+----+-------+-----------+----+---------+------+-------+------------------+
| Id | User  | Host      | db | Command | Time | State | Info             |
+----+-------+-----------+----+---------+------+-------+------------------+
| 51 | monty | localhost |    | Query   | 0    |       | show processlist |
+----+-------+-----------+----+---------+------+-------+------------------+
Uptime: 1473624  Threads: 1  Questions: 39487
Slow queries: 0  Opens: 541  Flush tables: 1
Open tables: 19  Queries per second avg: 0.0268

The mysqladmin status command result displays the following values:

If you execute mysqladmin shutdown when connecting to a local server using a Unix socket file, mysqladmin waits until the server's process ID file has been removed, to ensure that the server has stopped properly.

mysqladmin supports the following options, which can be specified on the command line or in the [mysqladmin] and [client] groups of an option file. For information about option files used by MySQL programs, see Section 4.2.2.2, “Using Option Files”.

Table 4.9 mysqladmin Options

Format Description Introduced Removed
--bind-address Use specified network interface to connect to MySQL Server
--compress Compress all information sent between client and server
--connect_timeout Number of seconds before connection timeout
--count Number of iterations to make for repeated command execution
--debug Write debugging log
--debug-check Print debugging information when program exits
--debug-info Print debugging information, memory, and CPU statistics when program exits
--default-auth Authentication plugin to use
--default-character-set Specify default character set
--defaults-extra-file Read named option file in addition to usual option files
--defaults-file Read only named option file
--defaults-group-suffix Option group suffix value
--enable-cleartext-plugin Enable cleartext authentication plugin
--force Continue even if an SQL error occurs
--get-server-public-key Request RSA public key from server 8.0.3
--help Display help message and exit
--host Connect to MySQL server on given host
--login-path Read login path options from .mylogin.cnf
--no-beep Do not beep when errors occur
--no-defaults Read no option files
--password Password to use when connecting to server
--pipe On Windows, connect to server using named pipe
--plugin-dir Directory where plugins are installed
--port TCP/IP port number for connection
--print-defaults Print default options
--protocol Connection protocol to use
--relative Show the difference between the current and previous values when used with the --sleep option
--secure-auth Do not send passwords to server in old (pre-4.1) format 8.0.3
--server-public-key-path Path name to file containing RSA public key 8.0.4
--shared-memory-base-name Name of shared memory to use for shared-memory connections
--show-warnings Show warnings after statement execution
--shutdown_timeout The maximum number of seconds to wait for server shutdown
--silent Silent mode
--sleep Execute commands repeatedly, sleeping for delay seconds in between
--socket For connections to localhost, the Unix socket file to use
--ssl-ca File that contains list of trusted SSL Certificate Authorities
--ssl-capath Directory that contains trusted SSL Certificate Authority certificate files
--ssl-cert File that contains X.509 certificate
--ssl-cipher List of permitted ciphers for connection encryption
--ssl-crl File that contains certificate revocation lists
--ssl-crlpath Directory that contains certificate revocation-list files
--ssl-fips-mode Whether to enable FIPS mode on client side 8.0.11
--ssl-key File that contains X.509 key
--ssl-mode Security state of connection to server
--tls-ciphersuites TLSv1.3 ciphersuites permitted for encrypted connections 8.0.16
--tls-version Protocols permitted for encrypted connections
--user MySQL user name to use when connecting to server
--verbose Verbose mode
--version Display version information and exit
--vertical Print query output rows vertically (one line per column value)
--wait If the connection cannot be established, wait and retry instead of aborting

You can also set the following variables by using --var_name=value.