This is the command mysqlserverinfo that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
mysqlserverinfo - Display Common Diagnostic Information from a Server
SYNOPSIS
mysqlserverinfo [options] db1 [:db2] ...
DESCRIPTION
This utility displays critical information about a server for use in diagnosing problems.
The information displayed includes the following:
· Server connection information
· Server version number
· Data directory path name
· Base directory path name
· Plugin directory path name
· Configuration file location and name
· Current binary log coordinates (file name and position)
· Current relay log coordinates (file name and position)
This utility can be used to see the diagnostic information for servers that are running or
offline. If you want to see information about an offline server, the utility starts the
server in read-only mode. In this case, you must specify the --basedir, --datadir, and
--start options to prevent the utility from starting an offline server accidentally. Note:
Be sure to consider the ramifications of starting an offline server on the error and
similar logs. It is best to save this information prior to running this utility.
To specify how to display output, use one of the following values with the --format
option:
· grid (default)
Display output in grid or table format like that of the mysql monitor.
· csv
Display output in comma-separated values format.
· tab
Display output in tab-separated format.
· vertical
Display output in single-column format like that of the \G command for the mysql
monitor.
To turn off the headers for csv or tab display format, specify the --no-headers option.
To see the common default settings for the local server's configuration file, use the
--show-defaults option. This option reads the configuration file on the machine where the
utility is run, not the machine for the host that the --server option specifies.
To run the utility against several servers, specify the --server option multiple times. In
this case, the utility attempts to connect to each server and read the information.
To see the MySQL servers running on the local machine, use the --show-servers option. This
shows all the servers with their process ID and data directory. On Windows, the utility
shows only the process ID and port.
OPTIONS
mysqlserverinfo accepts the following command-line options:
· --help
Display a help message and exit.
· --basedir=<basedir>
The base directory for the server. This option is required for starting an offline
server.
Is also used to access server tools, such as my_print_defaults that is required to
read the login-path values from the login configuration file (.mylogin.cnf).
· --datadir=<datadir>
The data directory for the server. This option is required for starting an offline
server.
· --format=<format>, -f<format>
Specify the output display format. Permitted format values are grid, csv, tab, and
vertical. The default is grid.
· --no-headers, -h
Do not display column headers. This option applies only for csv and tab output.
· --port-range=<start:end>
The port range to check for finding running servers. This option applies only to
Windows and is ignored unless --show-servers is given. The default range is 3306:3333.
· --server=<server>
Connection information for a server in the format:
<user>[:<passwd>]@<host>[:<port>][:<socket>] or <login-path>[:<port>][:<socket>]. Use
this option multiple times to see information for multiple servers.
· --show-defaults, -d
Display default settings for mysqld from the local configuration file. It uses
my_print_defaults to obtain the options.
· --show-servers
Display information about servers running on the local host. The utility examines the
host process list to determine which servers are running.
· --start, -s
Start the server in read-only mode if it is offline. With this option, you must also
give the --basedir and --datadir options.
· --start-timeout
Number of seconds to wait for the server to be online when started in read-only mode
using the --start option. The default value is 10 seconds.
The --start-timeout option is available as of MySQL Utilities 1.2.4 / 1.3.3.
· --verbose, -v
Specify how much information to display. Use this option multiple times to increase
the amount of information. For example, -v = verbose, -vv = more verbose, -vvv =
debug.
· --version
Display version information and exit.
For the --format option, the permitted values are not case sensitive. In addition, values
may be specified as any unambiguous prefix of a valid value. For example, --format=g
specifies the grid format. An error occurs if a prefix matches more than one valid value.
The path to the MySQL client tools should be included in the PATH environment variable in
order to use the authentication mechanism with login-paths. This will allow the utility to
use the my_print_defaults tools which is required to read the login-path values from the
login configuration file (.mylogin.cnf).
EXAMPLES
To display the server information for the local server and the settings for mysqld in the
configuration file with the output in a vertical list, use this command:
$ mysqlserverinfo --server=root:pass@localhost -d --format=vertical
# Source on localhost: ... connected.
************************* 1. row *************************
server: localhost:3306
version: 5.1.50-log
datadir: /usr/local/mysql/data/
basedir: /usr/local/mysql-5.1.50-osx10.6-x86_64/
plugin_dir: /usr/local/mysql-5.1.50-osx10.6-x86_64/lib/plugin
config_file: /etc/my.cnf
binary_log: my_log.000068
binary_log_pos: 212383
relay_log: None
relay_log_pos: None
1 rows.
Defaults for server localhost:3306
--port=3306
--basedir=/usr/local/mysql
--datadir=/usr/local/mysql/data
--server_id=5
--log-bin=my_log
--general_log
--slow_query_log
--innodb_data_file_path=ibdata1:778M;ibdata2:50M:autoextend
#...done.
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