CentOS7.4安装配置mysql5.7 TAR免安装版
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一、CentOS7.4系统自带mariadb
# 查看系统自带的Mariadb
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# rpm -qa|grep mariadb
mariadb-libs-5.5.44-2.el7.centos.x86_64
# 卸载系统自带的Mariadb
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# rpm -e --nodeps mariadb-libs-5.5.44-2.el7.centos.x86_64
# 删除etc目录下的my.cnf
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# rm /etc/my.cnf二、检查mysql是否存在
# 检查mysql是否存在
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# rpm -qa | grep mysql
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# 三、查看用户和组是否存在
1）检查mysql组合用户是否存在
# 检查mysql组和用户是否存在，如无则创建
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# cat /etc/group | grep mysql
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# cat /etc/passwd | grep mysql # 查询全部用户（只是做记录，没必要执行）
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# cat /etc/passwd|grep -v nologin|grep -v halt|grep -v shutdown|awk -F ":" '{print $1 "|" $3 "1" $4}' | more
root|010
sync|510
mysql|99711001
2）若不存在，则创建mysql组和用户
# 创建mysql用户组
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# groupadd mysql
# 创建一个用户名为mysql的用户，并加入mysql用户组
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# useradd -g mysql mysql
# 制定password 为111111
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# passwd mysql
Changing password for user mysql.
New password:
BAD PASSWORD: The password is a palindrome
Retype new password:
passwd: all authentication tokens updated successfully.四、下载mysql的tar包
https://dev.mysql.com/downloads/mysql/5.7.html#downloads
五、上传第四步下载的mysql TAR包到
# 进入/usr/local/src文件夹
[root@iZ2ze3hm3gyjyjz628l7rgZ ~]# cd /usr/local/src/
# 上传mysql TAR包
[root@iZ2ze3hm3gyjyjz628l7rgZ src]# rz
# 解压tar文件
[root@iZ2ze3hm3gyjyjz628l7rgZ src]# tar xvf mysql-5.7.22-el7-x86_64.tar
# 解压mysql-5.7.22-el7-x86_64.tar.gz
[root@iZ2ze3hm3gyjyjz628l7rgZ src]# tar -zxvf mysql-5.7.22-el7-x86_64.tar.gz
# 解压后的文件移动到/usr/local文件夹
[root@iZ2ze3hm3gyjyjz628l7rgZ src]# mv mysql-5.7.22-el7-x86_64 /usr/local
# 进入/usr/local下，修改为mysql
[root@iZ2ze3hm3gyjyjz628l7rgZ src]# cd /usr/local
[root@iZ2ze3hm3gyjyjz628l7rgZ local]# mv mysql-5.7.22-el7-x86_64 mysql
六、更改所属的组和用户
# 更改所属的组和用户
[root@iZ2ze3hm3gyjyjz628l7rgZ local]# chown -R mysql mysql/
[root@iZ2ze3hm3gyjyjz628l7rgZ local]# chgrp -R mysql mysql/
[root@iZ2ze3hm3gyjyjz628l7rgZ local]# cd mysql/
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# mkdir data
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# chown -R mysql:mysql data七、在/etc下创建my.cnf文件
# 进入/etc文件夹下
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# cd /etc
# 创建my.cnf文件
[root@iZ2ze3hm3gyjyjz628l7rgZ etc]# touch my.cnf
# 编辑my.cnf
[root@iZ2ze3hm3gyjyjz628l7rgZ etc]# vim my.cnf 1）my.cnf添加如下内容：
[mysql]
# 设置mysql客户端默认字符集
default-character-set=utf8
[mysqld]
# 设置3306端口
port = 3306
# 设置mysql的安装目录
basedir=/usr/local/mysql
# 设置mysql数据库的数据的存放目录
datadir=/usr/local/mysql/data
# 允许最大连接数
max_connections=200
# 服务端使用的字符集默认为8比特编码的latin1字符集
character-set-server=utf8
# 创建新表时将使用的默认存储引擎
default-storage-engine=INNODB
lower_case_table_names=1
max_allowed_packet=16M2）查看my.cnf内容
# 查看my.cnf文件
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# cat /etc/my.cnf八、进入mysql文件夹，并安装mysql
# 进入mysql
[root@iZ2ze3hm3gyjyjz628l7rgZ etc]# cd /usr/local/mysql/
# 安装mysql
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/
2018-07-04 15:46:02 [WARNING] 5mysql_install_db is deprecated. Please consider switching to mysqld --initialize
2018-07-04 15:46:05 [WARNING] The bootstrap log isn't empty:
2018-07-04 15:46:05 [WARNING] 2018-07-04T15:46:02.728710Z 0 [Warning] --bootstrap is deprecated. Please consider using --initialize instead
2018-07-01T15:46:02.729161Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000)
2018-07-04 T15:46:02.729167Z 0 [Warning] Changed limits: table_open_cache: 407 (requested 2000)[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# cp ./support-files/mysql.server /etc/init.d/mysqld
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# chown 777 /etc/my.cnf
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# chmod +x /etc/init.d/mysqld九、启动mysql
# 启动mysql
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# /etc/init.d/mysqld restart
MySQL manager or server PID file could not be found! [FAILED]解决：
# 1、查看进程
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# ps aux|grep mysql
root 10031 0.0 0.1 113264 1616 pts/0 S 14:36 0:00 /bin/sh /usr/local/mysql/bin/mysqld_safe --datadir=/usr/local/mysql/data --pid-file=/usr/local/mysql/data/iZ2ze3hm3gyjyjz628l7rgZ.pid
mysql 10220 0.0 19.1 1140876 195072 pts/0 Sl 14:36 0:02 /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --plugin-dir=/usr/local/mysql/lib/plugin --user=mysql --log-error=iZ2ze3hm3gyjyjz628l7rgZ.err --pid-file=/usr/local/mysql/data/iZ2ze3hm3gyjyjz628l7rgZ.pid --port=3306
root 10421 0.0 0.0 112660 968 pts/0 R+ 15:51 0:00 grep --color=auto mysql
# 2、杀死进程
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# kill -9 10031
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# kill -9 10220# 3、重启mysql
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# /etc/init.d/mysqld restart
Shutting down MySQL..
Starting MySQL. 十、设置开机启动
#设置开机启动
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# chkconfig --level 35 mysqld on
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# chkconfig --list mysqld
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# chmod +x /etc/rc.d/init.d/mysqld
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# chkconfig --add mysqld
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# chkconfig --list mysqld
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# service mysqld status
SUCCESS! MySQL running (4475)十一、修改配置文件
# 进入/etc/profile文件夹
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# vim /etc/profile
1）修改/etc/profile，在最后添加如下内容
# 修改/etc/profile文件
#set mysql environment
export PATH=$PATH:/usr/local/mysql/bin
# 使文件生效
[root@iZ2ze3hm3gyjyjz628l7rgZ mysql]# source /etc/profile十二、获得mysql初始密码
# 1、获得mysql初始密码
[root@iZ2ze3hm3gyjyjz628l7rgZ bin]# cat /root/.mysql_secret
# Password set for user 'root@localhost' at 2017-04-17 17:40:02
_pB*3VZl5T<6# 2、修改密码
[root@iZ2ze3hm3gyjyjz628l7rgZ bin]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \\g.
Your MySQL connection id is 53
Server version: 5.7.22 MySQL Community Server (GPL)
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\\h' for help. Type '\\c' to clear the current input statement.
mysql> set PASSWORD = PASSWORD('root');
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)十三、添加远程访问权限
# 添加远程访问权限
mysql> use mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> update user set host='%' where user='root';
Query OK, 0 rows affected (0.00 sec)
Rows matched: 1 Changed: 0 Warnings: 0
mysql> select host,user from user;
+-----------+---------------+
| host | user |
+-----------+---------------+
| % | root |
| localhost | mysql.session |
| localhost | mysql.sys |
+-----------+---------------+
3 rows in set (0.00 sec)
十四、重启mysql生效
# 重启mysql
[root@iZ2ze3hm3gyjyjz628l7rgZ bin]# /etc/init.d/mysqld restart
Shutting down MySQL..
Starting MySQL. 以上是关于CentOS7.4安装配置mysql5.7 TAR免安装版的主要内容，如果未能解决你的问题，请参考以下文章
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