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September 9, 2018

MySQL mysqladmin utility commands

mysqladmin commands in MySQL

mysqladmin ==> used to administer MySQL database

mysqladmin OPTIONS command1...commandN

mysqladmin -u linuxusr -pabc123 version

mysqladmin -u linuxusr -pabc123 -h linux002 password new_password

mysqladmin -h linux002 -u linuxusr -pabc123 reload

mysqladmin -u linuxusr -p refresh

mysqladmin -u linuxusr -h linux002 -pabc123 ping

mysqladmin -h linux002 -u linuxusr -pabc123 -count 5 -sleep 3 ping

mysqladmin --defaults-extra-file=/etc/mysql_admin/mysql.cfg ping

mysqladmin -h linux001 -u linuxusr -pabc123  processlist

mysqladmin -u linuxusr -h linux001 -pabc123  processlist status version

mysqladmin -u linuxusr -pabc123 -h linux001 variables

mysqladmin -u root -ppass123 -h linux006 create mysqldb6

mysqladmin -u linuxusr -ppass123 -h linux006 drop mysqldb7 drop testdb2

mysqladmin -u linuxusr -ppass123 -h linux003 kill 234

mysqladmin -h linux003 -u linuxusr -ppass123 kill 999, 666, 333

#/usr/local/mysql/bin/mysqladmin -u root -p shutdown

mysqladmin -u root shutdown

mysqladmin -u linuxusr -pabc123 -h linux001 shutdown

#/usr/local/mysql/bin/mysqladmin --socket=/tmp/mysql2.sock --port=3307 -u root -p shutdown

mysqladmin -u linuxusr -pabc123 -h linux001 status

mysqladmin -h linux001 -u linuxusr -pabc123 extended-status

mysqladmin flush-hosts -h -uroot

mysqladmin -h -uroot flush-tables

mysqladmin -h -uroot -p flush-logs

mysqladmin -u root -p start-slave

mysqladmin -u root -p stop-slave

mysqladmin -u root -p debug

mysqladmin --login-path=dba shutdown

mysqladmin --help
  --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, TLSv1.2
  -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.
  --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

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
mysqladmin 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             utf8
host                              (No default value)
no-beep                           FALSE
port                              3306
relative                          FALSE
secure-auth                       TRUE
socket                            /data/mysql/mysql.sock
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 /usr/etc/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.

Related Articles:  mysqldump commands   
mysqldiff utility in MySQL

1 comment:

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