CentOS7编译安装MySQL8.0.x

环境准备：

centos版本7

[root@bogon ~]# cat /etc/redhat-release 
CentOS Linux release 7.5.1804 (Core)

mysql版本8.0.20

[root@bogon src]# ll mysql-8.0.20.tar.gz 
-rw-r--r--. 1 root root 266282970 May 31 10:47 mysql-8.0.20.tar.gz

卸载之前mysqlmariadb

安装：

一、安装cmake3

yum install epel-release -y
yum install cmake3 -y

二、升级gcc

安装devtoolset包
yum install centos-release-scl
yum install devtoolset-4

激活gcc版本，使其生效
scl enable devtoolset-4 bash
或
source /opt/rh/devtoolset-4/enable

　　注意：此方式仅在当前shell生效。若想将mysql安装写入脚本中不要使用scl enable devtoolset-4 bash，使用另一种方式。

三、编译安装mysql

tar xvf mysql-8.0.20.tar.gz
mkdir build && cd build
cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DSYSCONFDIR=/etc -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_PARTITION_STORAGE_ENGINE=1 -DWITH_FEDERATED_STORAGE_ENGINE=1 -DEXTRA_CHARSETS=all -DDEFAULT_CHARSET=utf8mb4 -DDEFAULT_COLLATION=utf8mb4_general_ci -DWITH_EMBEDDED_SERVER=1 -DENABLED_LOCAL_INFILE=1 -DWITH_BOOST=../boost

make -j 4(根据个人cpu核数选择)

四、创建用户及数据目录、启动脚本

groupadd mysql
useradd -s /sbin/nologin -M -g mysql mysql
mkdir /home/www/mysqldata
chown -R mysql:mysql /home/www/mysqldata
chgrp -R mysql /usr/local/mysql/.
cp support-files/mysql.server /etc/init.d/mysql
chmod 755 /etc/init.d/mysql

 

五、初始化mysql并修改密码

/usr/local/mysql/bin/mysqld --initialize-insecure --basedir=/usr/local/mysql --datadir=${MySQL_Data_Dir} --user=mysql
/usr/local/mysql/bin/mysqladmin -u root password password

六、配置环境变量

ln -sf /usr/local/mysql/bin/mysql /usr/bin/mysql
ln -sf /usr/local/mysql/bin/mysqldump /usr/bin/mysqldump
ln -sf /usr/local/mysql/bin/myisamchk /usr/bin/myisamchk
ln -sf /usr/local/mysql/bin/mysqld_safe /usr/bin/mysqld_safe
ln -sf /usr/local/mysql/bin/mysqlcheck /usr/bin/mysqlcheck