一.準備環境
環境：centos-7.3 一台
軟體版本：mysql-5.6.39
1.安裝依賴
yum -y install autoconf libaio bison ncurses-devel
2.建立使用者
groupadd mysql
useradd -g mysql -s /sbin/nologin mysql
3.清理centos7 預設自帶資料庫
yum -y remove mariadb mariadb-server
二.部署
wget
2.安裝
tar -xf mysql-5.6.39-linux-glibc2.12-x86_64.tar.gz
mv mysql-5.6.39-linux-glibc2.12-x86_64 /usrlocal/mysql
mkdir /var/log/mysql
mkdir /usr/local/mysql/data
mysql即使root啟動還是mysql使用者執行的，所以要給許可權
chown -r mysql:mysql /usr/local/mysql
chown -r mysql:mysql /ops/log/mysql
3.修改配置，具體再根據效能和需求修改
vim /etc/my.cnf
[mysql]
default-character-set=utf8
socket=/usr/local/mysql/mysql.sock
[mysqld]
skip-name-resolve
port = 3306
socket=/usr/local/mysql/mysql.sock
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data
max_connection=200
character-set-server=utf8
default-storage-engine=innodb
lower_case_table_name=1
max_allowed_packet=16m
log-error=/var/log/mysql/mysql.log
pid-file=/var/log/mysql/mysql.pid
bind-address = 0.0.0.0
4.啟動服務
cd /usr/local/mysql
進行初始化操作
./scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/
讓mysql可以讀
chown mysql:mysql /etc/my.cnf
5.加入systemctl
vim /usr/lib/systemd/system/mysql.service
[unit]
description=mysql
after=network.target remote-fs.target nss-lookup.target
[service]
type=forking
execstart=/usr/local/mysql/support-files/mysql.server start
execreload=/usr/local/mysql/support-files/mysql.server restart
execstop=/usr/local/mysql/support-files/mysql.server stop
privatetmp=true
[install]
wantedby=multi-user.target
6.設定環境變數
echo 'path=$path':/usr/local/mysql/bin >> /etc/profile
source /etc/profile
7.登陸
systemctl start mysql
systemctl enable mysql
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