centos7二进制mysql_centos7 二进制版本安装 mysql8.0.13

一、下载mysql二进制安装包

mysql官网:

https://dev.mysql.com/downloads/mysql/

由于国内网络问题,个人建议使用国内开源镜像站下载:

http://mirrors.163.com/mysql/Downloads/MySQL-8.0/

http://mirrors.sohu.com/mysql/MySQL-8.0/

http://mirrors.ustc.edu.cn/mysql-ftp/Downloads/MySQL-8.0/

下载:mysql-8.0.13-linux-glibc2.12-x86_64.tar.xz

二、mysql依赖于libaio

yum search libaio

yum install libaio

三、解压和重命名

我们默认把mysql8安装到/data/mysql8目录下,这个目录可以随意指定。

tar xf mysql-8.0.13-linux-glibc2.12-x86_64.tar.xz

mv mysql-8.0.13-linux-glibc2.12-x86_64 /data/mysql8

四、创建mysql用户名和用户组

useradd -s /sbin/nologin -M mysql

五、把默认/etc/my.cnf重命名或删除

centos7默认会有一个/etc/my.cnf文件,为了不影响安装,可以直接删除或重命名。

mv /etc/my.cnf /etc/my.cnf.bak

rm /etc/my.cnf

六、创建my.cnf文件

cd /data/mysql8

vi my.cnf

填写如下内容:

[mysqld]

port = 3306

basedir = /data/mysql8

datadir = /data/mysql8/data

max_connections = 1024

character-set-server = utf8

default-storage-engine = INNODB

server_id = 1

socket = /data/mysql8/mysql.sock

pid-file = /data/mysql8/mysql.pid

slow_query_log = 1

slow_query_log_file = /data/mysql8/log/mysql-slow.log

long_query_time = 10

log-error = /data/mysql8/log/mysql-err.log

log-bin = /data/mysql8/log/mysql-bin

user = mysql

default_authentication_plugin = mysql_native_password

sql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

[mysql]

default-character-set = utf8

[client]

port = 3306

socket = /data/mysql8/mysql.sock

default-character-set = utf8

创建一个软链接

ln -s /data/mysql8/my.cnf /etc/my.cnf

七、创建目录,修改目录所有者,初始化mysql数据库

mkdir /data/mysql8/log

mkdir /data/mysql8/data

chown -R mysql.mysql /data/mysql8

/data/mysql8/bin/mysqld --initialize --user=mysql --basedir=/data/mysql8 --datadir=/data/mysql8/data

八、把启动文件复制到/etc/init.d/目录下

cp support-files/mysql.server /etc/init.d/mysql

vi /etc/init.d/mysql

修改46,47行的basedir和datadir

basedir= /data/mysql8

datadir= /data/mysql8/data

修改63-82行,把路径改成自已的mysql安装路径

mysqld_pid_file_path=

if test -z "$basedir"

then

basedir=/data/mysql8

bindir=/data/mysql8/bin

if test -z "$datadir"

then

datadir=/data/mysql8/data

fi

sbindir=/data/mysql8/bin

libexecdir=/data/mysql8/bin

else

bindir="$basedir/bin"

if test -z "$datadir"

then

datadir="$basedir/data"

fi

sbindir="$basedir/sbin"

libexecdir="$basedir/libexec"

fi

九、启动mysql服务

service mysql start

十、登陆mysql,修改root用户密码

mysql初始化时会自动生成一个密码,可以在log-error指定的错误日志中查看

b22e82d4b5d6d77ce186975c45a8fdf2.png

mysql -u root -p

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '新密码';

flush privileges;

如果报错:

mysql: error while loading shared libraries: libtinfo.so.5: cannot open shared object file: No such file or directory

因为使用 Linux - Generic 安装,使用如下命令:

sudo ln -s /usr/lib64/libtinfo.so.6.1 /usr/lib64/libtinfo.so.5

十一、创建可远程连接的用户

create user '用户名'@'主机' identified with mysql_native_password by '密码';

grant all privileges on *.* to '用户名'@'主机';

flush privileges;

十二、添加环境变量

vi /etc/profile

添加如下内容:

export PATH=$PATH:/data/mysql8/bin

使配置生效

source /etc/profile

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