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About the problem of installing mysql my.cnf on linux

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Dec 01, 2016 am 01:27 AM

linuxmysqlphp

Environment: centos 6.5 32-bit
When mysql is not installed, my.cnf already exists in the /etc/ directory. What is this and what does it do? (The following is a screenshot of my local Linux)

About the problem of installing mysql my.cnf on linux

After installing mysql, follow the online tutorial to execute the following code on mysql:

<code>cp support-files/my-medium.cnf /etc/my.cnf</code>

Isn’t the operation to overwrite the my.cnf of mysql with the my.cnf in the system? Why is this done? It is a my.cnf prepared by Linux for mysql. If the my.cnf file of mysql is not placed under /etc, where else can it be placed? Does not affect the use of mysql

Reply content:

Environment: centos 6.5 32-bit
When mysql is not installed, my.cnf already exists in the /etc/ directory. What is this and what does it do? (The following is a screenshot of my local Linux)

About the problem of installing mysql my.cnf on linux

After installing mysql, follow the online tutorial to execute the following code on mysql:

<code>cp support-files/my-medium.cnf /etc/my.cnf</code>

Did you choose to install the Mysql component when installing Centos?

Remove the mysql database installed by yum

<code>yum remove mysql -y</code>

my.cnf is the configuration file loaded when mysql starts. The path of my.cnf can be configured by cmake when installing mysql./

-DSYSCONFDIR=/etc #my.cnf path

The value of -DSYSCONFDIR=/etc in the configuration can be defined by yourself

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