To create and configure the my.cnf file for Windows machines, complete the following tasks:
Create the my.cnf file in a text editor, and save it to the following location: D:\Spend\mysql-5.5.15-winx64.
In this guide, we’ll show you how to make changes to your database settings in the MySQL my.cnf file. For example, you may need to increase the number of max_connections or the query_cache_size value for your server.
To do this, you simply log in the server via SSH and edit the my.cnf file using an editor such as Nano. This article will explain the steps to view and edit your my.cnf file. We’ll also show you how to view your MySQL variables through SSH then how to access them in phpMyAdmin, where they can be edited.
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How to View Mysql Settings in the my.cnf File
Login to your server via SSH
To view the MySQL my.cnf settings type the following:
The contents of the my.cnf file will display similar to the snapshot above.
Editing the Mysql my.cnf File
Login to your server via SSH.
To edit the MySQL settings with nano type the following:
There are several editors you can use in shell. Nano, Vim, or Emacs. This article will focus only on Nano.
Find the line to edit. For example, if you want to edit the max_connections, find the following line. max_connections=100
To increase the max_connections to 110 change it to the following. max_connections=110
Enter Ctrl + O to “WriteOut” or save the settings.
Then Ctrl + X to exit.
Restart MySQL by typing the following.
service mysql restart
Now the max_connections is increased to 110 instead of 100.
Viewing the Mysql Variables Through Shell
Login to your server via SSH.
Type the following command.
The variables will display similar to the snapshot above.
Viewing MySQL Variables in phpMyAdmin
Log into your phpMyAdmin.
Click the Variables tab at the top right. Then PhpMyAdmin will list all the variables and their settings on your server.
If you want to edit the values, you should edit the my.cnf file as described above.
Now you know how to edit your database settings in the MySQL my.cnf file and view database variables. For more guides check out our full section on Working with Databases.
MySQL starts up with configurations defined in a file named “my.ini”. To find where the active “my.ini” configuration file is located on the Windows Server:
Step 1) Open Windows Services (e.g. start –> run –> “services.msc”)
Step 2) Find the appropriate MySQL Service entry (e.g. “MySQL” or “MySQL56”), in this example it’s “MySQL80-3307”
Step 3) Right click and select Properties
Under the text “Path to executable”, the path to the “my.ini” file shown next to the parameter “–defaults-file”
In this example, the location of the my.ini file is:
C:\ProgramData\MySQL\MySQL Server 8.0\my.ini
MySQL starts up with configurations defined in a file named “my.cnf”.
To find where the active “my.cnf” configuration file is located on the Linux Server:
Step 1) From a Terminal/Shell/Command Line, execute the command: mysql –verbose –help
The command will yield a long list of text as the result.
Step 2) Scroll to below the “Usage: mysql [OPTIONS] [database] section” and below the line that reads: “Default options are read from the following files in the given order:“, there will be an ordered list of possible filesystem locations for the my.cnf file. In this example, there are 4 locations will which MySQL will look for.