How to install MySQL Server in CentOS 7

How to install MySQL Server in CentOS 7

Previously, RHEL 6.3 and 6.4 were used. The system disk contains the mysql server. After configuring the yum source, you can directly install mysql-server on the yum install mysql server. Recently, CentOS 7.1 was used, I found that the system disk did not provide the mysql-server RPM package. I searched for the package online for half a day and finally found the answer on the mysql official website.

Just add the following file mysql-community.repo file in the/etc/yum. repos. d/directory with the following content:

# Enable to use MySQL 5.6.
Mysql56-community
Name = MySQL 5.6 Community Server
Baseurl = http://repo.mysql.com/yum/mysql-5.6-community/el/5/?basearch/
Enabled = 1
Gpgcheck = 1
Gpgkey = file: // etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

The above version is 5.6.

The content of version 5.7 is as follows:

# Note: MySQL 5.7 is currently in development. For use at your own risk.
# Please read with sub pages: https://dev.mysql.com/doc/relnotes/mysql/5.7/en/
Mysql57-community-dmr
Name = MySQL 5.7 Community Server Development Milestone Release
Baseurl = http://repo.mysql.com/yum/mysql-5.7-community/el/6/?basearch/
Enabled = 1
Gpgcheck = 1
Gpgkey = file: // etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

Run yum install mysql-community-server.

I am using version 5.6. During installation, the following error is reported:

GPG key retrieval failed: [Errno 14] curl #37-"Couldn't open file/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql"

Apparently, there is no RPM-GPG-KEY-mysql file locally, so I made some modifications to the above mysql-community.repo. The modified content is as follows:

Mysql56-community
Name = MySQL 5.6 Community Server
Baseurl = http://repo.mysql.com/yum/mysql-5.6-community/el/5/?basearch/
Enabled = 1
Gpgcheck = 0

Run the yum install mysql-community-server command again to install OK ~

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