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Mysqladmin tool usage format:
mysqladmin [option] command [command option] command ......
Parameter options:
-c number Statistics of automatic running times, must be used together with -i
-i number How long is the interval between repeated executions
0) Each two Check the status of the server once every second, repeating 5 times in total.
[root@test-huanqiu ~]# mysqladmin -uroot -p -i 2 -c 5 status
1) Check the status of the server: status
[root@test-huanqiu ~]# mysqladmin -uroot -p status
2) Modify the root password:
[root@test-huanqiu ~]# mysqladmin -u root -p原密码 password 'newpassword'
3) Check whether mysqlserver is available:
[root@test-huanqiu ~]# mysqladmin -uroot -p ping
4) Query Server version
[root@test-huanqiu ~]# mysqladmin -uroot -p version
5) View the current value of the server status:
[root@test-huanqiu ~]# mysqladmin -uroot -p extended-status
6) Query the server System variables Value:
[root@test-huanqiu ~]# mysqladmin -uroot -p variables
7) Display all running processes on the server:
[root@test-huanqiu ~]# mysqladmin -uroot -p process list [root@test-huanqiu ~]# mysqladmin -uroot -p-i 1 processlist //每秒刷新一次
[root@test-huanqiu ~]# mysqladmin -uroot -p create daba-test
9)Display all databases on the server
[root@test-huanqiu ~]# mysqlshow -uroot -p
10) Display the tables under the database daba-test:
[root@test-huanqiu ~]# mysqlshow -uroot -p daba-test
11) Statistics of the summary of database table columns under daba-test
[root@test-huanqiu ~]# mysqlshow -uroot -p daba-test -v
12) Statistics of the number of columns and rows of the database table under daba-test
[root@test-huanqiu ~]# mysqlshow -uroot -p daba-test -v -v
13) Delete database daba-test
[root@test-huanqiu ~]# mysqladmin -uroot -p drop daba-test
14)ReloadPermission information
[root@test-huanqiu ~]# mysqladmin -uroot -p reload
15) Refresh all tablescache, and close and open log
[root@test-huanqiu ~]# mysqladmin -uroot -p refresh
16) Use safe modeClose the database
[root@test-huanqiu ~]# mysqladmin -uroot -p shutdown
17) Refresh commands mysqladmin flush commands
[root@test-huanqiu ~]# mysqladmin -u root -ptmppassword flush-hosts [root@test-huanqiu ~]# mysqladmin -u root -ptmppassword flush-logs [root@test-huanqiu ~]# mysqladmin -u root -ptmppassword flush-privileges [root@test-huanqiu ~]# mysqladmin -u root -ptmppassword flush-status [root@test-huanqiu ~]# mysqladmin -u root -ptmppassword flush-tables [root@test-huanqiu ~]# mysqladmin -u root -ptmppassword flush-threads
18) mysqladmin executes the kill process :
[root@test-huanqiu ~]# mysqladmin -uroot -p processlist [root@test-huanqiu ~]# mysqladmin -uroot -p kill idnum
19) Stop and start MySQL replication on a slave server
[root@test-huanqiu ~]# mysqladmin -u root -p s top -slave [root@test-huanqiu ~]# mysqladmin -u root -p start-slave
20) Execute multiple at the same time Command
[root@test-huanqiu ~]# mysqladmin -u root -p process status version
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