MySQL installation in Linux Environment

linux install mysql course

1. Before installation, check whether there is mysql, Delete if any

rpm -qa|grep -i mysql

stop it mysql service 、 Remove the previously installed mysql

service mysql status

Delete mysql

rpm -ev MySQL-client-5.5.25a-1.rhel5

If the report is wrong Is executed ：rpm -ev MySQL-client-5.5.25a-1.rhel5 --nodeps

2. install mysql

1）

[[email protected] host ~]>tar -zxvf mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz -C /usr/local/

[[email protected] host ~]>mv mysql-5.7.20-linux-glibc2.12-x86_64/ mysql[[email protected] host ~]

[[email protected] host ~]> groupadd mysql // establish mysql User group

[[email protected] host ~]> useradd -r -g mysql -s /bin/false mysql //mysql user

[[email protected] host ~]> cd /usr/local

[[email protected] host ~]> cd mysql

[[email protected] host ~]> chmod 750 mysql-files

[[email protected] host ~]> chown -R mysql .

[[email protected] host ~]> chgrp -R mysql .

[[email protected] host ~]> bin/mysqld --initialize --user=mysql

[[email protected] host ~]> bin/mysql_ssl_rsa_setup

[[email protected] host ~]> chown -R root .

[[email protected] host ~]>bin/mysqld_safe --user=mysql &

// This step is to pid Generate to file , I have a problem in this step , It took me a long time to solve , The problem is writing data Your folder does not have write permission , Lead to pid Unable to write , At the same time mysql Service failed to start . Solution ：

chmod -R 777 /usr/local/mysql/data/ Give it the highest authority .

[[email protected] host ~]>cp support-files/mysql.server /etc/init.d/mysql.server// Set boot up

Next, set the remote login permission ：

[[email protected] host ~]grant all privileges on *.* to'root' @'%' identified by 'root';

[[email protected] host ~]mysql> flush privileges;

Then you can connect to the server locally mysql, Start the development journey .