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  CentOS7 install MySQL5.6.22
  Add Date : 2018-11-21      
  1. Installation Environment

(1) CentOS version: CentOS-7

To view:

[Root @ linuxhost Desktop] # cat / etc / RedHat-release

CentOS Linux release 7.0.1406 (Core)

Source: official website to download

Download: http: //www.centos.org/

(2) MySQL Version: MySQL-5.6.22

Title: MySQL Database 5.6.22 RPM for Oracle Linux / RHEL 7 x86 (64bit)

1. Unzip the downloaded zip package, you will find the following rpm packages:








2. Uninstall MariaDB

If you click on the installation package rpm you will get an error. Because the default database CentOS is no longer a MySQL but MariaDB, why?

MariaDB is a branch of the database management system MySQL, mainly by the open source community in the maintenance, the use of GPL license. One reason for the development of this branch is: Oracle's acquisition of MySQL, there is potential risk of MySQL closed source, so the branch community a way to avoid this risk. MariaDB purpose is fully compatible with MySQL, including API and command line, so that it can easily become a substitute for MySQL.

See mariadb package is currently installed:

[Root @ linuxhost Desktop] # rpm -qa | grep mariadb

The mandatory uninstall them all:

[Root @ linuxhost Desktop] # rpm -e --nodeps mariadb-libs-5.5.35-3.el7.x86_64

[Root @ linuxhost Desktop] # rpm -e --nodeps mariadb-5.5.35-3.el7.x86_64

[Root @ linuxhost Desktop] # rpm -e --nodeps mariadb-server-5.5.35-3.el7.x86_64

3. Install MYSQL

Double-click the package automatically installs the following three:




Tip: In fact, the second package devel I do not know what, do not know is not necessary (Internet search should not be necessary), there is no need to test whether the point has been installed, you do not want to spend time is it necessary to test, and have tested a message to inform friends troubles.

4. Start MYSQL

[Root @ linuxhost Desktop] #service mysql start

Get the error:! ERROR The server quit without updating PID file

We are here mainly because: selinux blame, if it is centos system, the default will open selinux. The workaround is to turn it off, open / etc / selinux / config, the SELINUX = enforcing SELINUX save and exit to restart the machine after = disabled.

Then start mysql no problem:

[Root @ linuxhost Desktop] #service mysql start

See MySQL running status:

[Root @ linuxhost Desktop] # service mysql status

SUCCESS! MySQL running (2377)

Close up still can not operate, you can do this

[Root @ localhost ~] # service mysql start

Starting MySQL .. ERROR! The server quit without updating PID file (/var/lib/mysql/localhost.localdomain.pid).

[Root @ localhost ~] # cd / var / lib / mysql

[Root @ localhost mysql] # less localhost.localdomain.err

[Root @ localhost mysql] # yum -y install autoconf

[Root @ localhost mysql] # / usr / bin / mysql_install_db --user = mysql
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