MySQL 5.7.26 二进制包安装
1. 下载并上传软件至/server/tools
国内镜像网站:http://mirrors.sohu.com
[root@db01 ~]# mkdir -p /server/tools
[root@db01 ~]# cd /server/tools/
[root@db01 /server/tools]# yum install -y lrzsz
[root@db01 /server/tools]# ls
mysql-5.7.26-linux-glibc2.12-x86_64.tar.gz
2. 解压软件
[root@db01 /server/tools]# tar xf mysql-5.7.26-linux-glibc2.12-x86_64.tar.gz
[root@db01 ~]# mkdir /application
[root@db01 ~]# cd /server/tools/mysql-5.7.26-linux-glibc2.12-x86_64
[root@db01 /server/tools]# mv ./* /application/mysql
3. 用户的创建处理原始环境
[root@db01 ~]# yum remove mariadb-libs-5.5.60-1.el7_5.x86_64 -y
[root@db01 ~]# rpm -qa |grep mariadb
[root@db01 ~]# useradd -s /sbin/nologin mysql
4. 设置环境变量
vim /etc/profile
export PATH=/application/mysql/bin:$PATH
[root@db01 ~]# source /etc/profile
[root@db01 ~]# mysql -V
mysql Ver 14.14 Distrib 5.7.26, for linux-glibc2.12 (x86_64) using EditLine wrapper
5. 创建数据目录并授权
[root@db01 ~]# mkdir /data/mysql/data -p
[root@db01 ~]# chown -R mysql.mysql /application/*
[root@db01 ~]# chown -R mysql.mysql /data
6. 初始化数据(创建系统数据)
[root@db01 ~]# mysqld --initialize-insecure --user=mysql --basedir=/application/mysql --datadir=/data/mysql/data
报错:
mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
解决:
[root@db01 ~]# yum install -y libaio-devel
7. 配置文件
cat >/etc/my.cnf <<EOF
[mysqld]
user=mysql
basedir=/application/mysql
datadir=/data/mysql/data
socket=/tmp/mysql.sock
server_id=6
port=3306
[mysql]
socket=/tmp/mysql.sock
EOF
8. 启动数据库
1. sys-v(centos6)
[root@db01 /etc/init.d]# cp /application/mysql/support-files/mysql.server /etc/init.d/mysqld
[root@db01 /etc/init.d]# service mysqld restart
2. systemd(centos7)
注意: sysv方式启动过的话,需要先提前关闭,才能以下方式登录
cat >/etc/systemd/system/mysqld.service <<EOF
[Unit]
Description=MySQL Server
Documentation=man:mysqld(8)
Documentation=http://dev.mysql.com/doc/refman/en/using-systemd.html
After=network.target
After=syslog.target
[Install]
WantedBy=multi-user.target
[Service]
User=mysql
Group=mysql
ExecStart=/application/mysql/bin/mysqld --defaults-file=/etc/my.cnf
LimitNOFILE = 5000
EOF
[root@db01 data]# systemctl start mysqld.service
9. 设置密码
[root@db01 ~]# mysqladmin -uroot -p password abc123
10. 登录到数据库
[root@db01 ~]# mysql -uroot -p
Enter password:
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