【转】MySQL-Utilities，mysql工具包

二、安装需求及下载地址

需求
　　Python 2.6
　　MySQL Connector/Python 连接器
下载地址：
　　http://dev.mysql.com/downloads/utilities/

三、安装示例

###本次安装使用1.6.4版本，安装前，需要先安装mysql到python连接器
# cat /etc/redhat-release 
CentOS release 6.7 (Final)
# rpm -Uvh mysql-connector-python-2.1.4-1.el6.x86_64.rpm 
# rpm -Uvh mysql-utilities-1.6.4-1.el6.noarch.rpm

###如果没有安装连接器，则收到如下错误提示
# rpm -Uvh mysql-utilities-1.6.4-1.el6.noarch.rpm 
warning: mysql-utilities-1.6.4-1.el6.noarch.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
mysql-connector-python >= 2.0.0 is needed by mysql-utilities-1.6.4-1.el6.noarch

###查看安装后生成的文件 
# rpm -ql mysql-utilities-1.6.4-1.el6|grep "/usr/bin"
/usr/bin/mysqlauditadmin
/usr/bin/mysqlauditgrep
/usr/bin/mysqlbinlogmove
/usr/bin/mysqlbinlogpurge
/usr/bin/mysqlbinlogrotate
/usr/bin/mysqldbcompare
/usr/bin/mysqldbcopy
/usr/bin/mysqldbexport
/usr/bin/mysqldbimport
/usr/bin/mysqldiff
/usr/bin/mysqldiskusage
/usr/bin/mysqlfailover
/usr/bin/mysqlfrm
/usr/bin/mysqlgrants
/usr/bin/mysqlindexcheck
/usr/bin/mysqlmetagrep
/usr/bin/mysqlprocgrep
/usr/bin/mysqlreplicate
/usr/bin/mysqlrpladmin
/usr/bin/mysqlrplcheck
/usr/bin/mysqlrplms
/usr/bin/mysqlrplshow
/usr/bin/mysqlrplsync
/usr/bin/mysqlserverclone
/usr/bin/mysqlserverinfo
/usr/bin/mysqlslavetrx
/usr/bin/mysqluc
/usr/bin/mysqluserclone 

四、获取帮助

1、通过mysqluc获取帮助
###可以通过调用mysqluc命令行工具来获取这些工具的帮助信息
### mysqluc提供一个自带的命令行提示符窗口，在这个窗口下也可以完成相应的命令操作

[root@node1 ~]# mysqluc
Launching console ...

Welcome to the MySQL Utilities Client (mysqluc) version 1.6.4
Copyright (c) 2010, 2016 Oracle and/or its affiliates. All rights reserved.
This is a release of dual licensed MySQL Utilities. For the avoidance of
doubt, this particular copy of the software is released
under the version 2 of the GNU General Public License.
MySQL Utilities is brought to you by Oracle.

Type ‘help‘ for a list of commands or press TAB twice for list of utilities.

mysqluc> help
Command Description 
---------------------- ---------------------------------------------------
help utilities Display list of all utilities supported. 
help <utility> Display help for a specific utility. 
show errors Display errors captured during the execution of the
utilities. 
clear errors clear captured errors. 
show last error Display the last error captured during the 
execution of the utilities 
help | help commands Show this list. 
exit | quit Exit the console. 
set <variable>=<value> Store a variable for recall in commands. 
show options Display list of options specified by the user on 
launch. 
show variables Display list of variables. 
<ENTER> Press ENTER to execute command. 
<ESCAPE> Press ESCAPE to clear the command entry. 
<DOWN> Press DOWN to retrieve the previous command. 
<UP> Press UP to retrieve the next command in history. 
<TAB> Press TAB for type completion of utility, option, 
or variable names. 
<TAB><TAB> Press TAB twice for list of matching type 
completion (context sensitive).
###查看utilities包中所有的命令行工具
mysqluc> help utilities

Utility Description 
----------------- --------------------------------------------------------
mysqlauditadmin audit log maintenance utility 
mysqlauditgrep audit log search utility 
mysqlbinlogmove binary log relocate utility 
mysqlbinlogpurge purges unnecessary binary log files 
mysqlbinlogrotate rotates the active binary log file 
mysqldbcompare compare databases for consistency 
mysqldbcopy copy databases from one server to another 
mysqldbexport export metadata and data from databases 
mysqldbimport import metadata and data from files 
mysqldiff compare object definitions among objects where the 
difference is how db1.obj1 differs from db2.obj2 
mysqldiskusage show disk usage for databases 
mysqlfailover automatic replication health monitoring and failover 
mysqlfrm show CREATE TABLE from .frm files 
mysqlgrants display grants per object 
mysqlindexcheck check for duplicate or redundant indexes 
mysqlmetagrep search metadata 
mysqlprocgrep search process information 
mysqlreplicate establish replication with a master 
mysqlrpladmin administration utility for MySQL replication 
mysqlrplcheck check replication 
mysqlrplms establish multi-source replication 
mysqlrplshow show slaves attached to a master 
mysqlrplsync replication synchronization checker utility 
mysqlserverclone start another instance of a running server 
mysqlserverinfo show server information 
mysqlslavetrx skip transactions on slaves 
mysqluserclone clone a MySQL user account to one or more new users

###也可直接在mysqluc提示符下输入 help command 来获取对应命令的帮助信息，如下
mysqluc> help mysqlauditadmin 
Usage: mysqlauditadmin --server=user:pass@host:port --show-options 
# Author : Leshami
# Blog : http://blog.csdn.net/leshami
mysqlauditadmin - audit log maintenance utility

Options:
Option Description 
------------------------- ------------------------------------------------
--version show program‘s version number and exit 
--help display this help message and exit 
--license display program‘s license and exit 
--server=SERVER connection information for the server in the 
form: 
<user>[:<password>]@<host>[:<port>][:<socket>] 
or <login-path>[:<port>][:<socket>] or <config- 
path>[<[group]>]. 
--audit-log-name=LOG_NAME full path and file name for the audit log file. 
Used for stats and copy options. 
--show-options display the audit log system variables. 
--remote-login=RLOGIN user name and host to be used for remote login 
for copying log files. Format: 
<user>:<host_or_ip> Password will be prompted. 
--file-stats display the audit log file statistics. 
--copy-to=COPY_LOCATION the location to copy the audit log file 
specified. The path must be locally accessible 
for the current user. 
--value=VALUE value used to set variables based on the command
specified. See --help for list per command. 
--ssl-ca=SSL_CA path to a file that contains a list of trusted 
SSL CAs. 
--ssl-cert=SSL_CERT name of the SSL certificate file to use for 
establishing a secure connection. 
--ssl-key=SSL_KEY name of the SSL key file to use for establishing
a secure connection. 
--ssl=SSL specifies if the server connection requires use 
of SSL. If an encrypted connection cannot be 
established, the connection attempt fails. By 
default 0 (SSL not required). 
-v, --verbose control how much information is displayed. e.g.,
-v = verbose, -vv = more verbose, -vvv = debug 
Available Commands: copy - copy the audit log to
a locally accessible path policy - set the audit
log policy Values = ALL, NONE, LOGINS, QUERIES, 
DEFAULT rotate - perform audit log rotation 
rotate_on_size - set the rotate log size limit 
for auto rotation Values = 0, 4294967295

2、直接在shell提示符下获取命令帮助

###如下示例
[root@node1 ~]# mysqlfailover --help|head
MySQL Utilities mysqlfailover version 1.6.4 
License type: GPLv2
Usage: mysqlfailover --master=root@localhost --discover-slaves-login=root 
--candidates=root@host123:3306,root@host456:3306

mysqlfailover - automatic replication health monitoring and failover

Options:
--version show program‘s version number and exit
--help display this help message and exit
--license display program‘s license and exit

3、基于Linux man获取命令帮助

###如下示例
root@node1 ~]# man mysqlfailover
MYSQLFAILOVER(1) MySQL Utilities MYSQLFAILOVER(1)

NAME
mysqlfailover - Automatic replication master failover

SYNOPSIS
mysqlfailover [options]

【转】MySQL-Utilities，mysql工具包

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