原文：http://blog.csdn.net/u013980127/article/details/52261400

1. 下載安裝包

http://dev.mysql.com/downloads/mysql/5.7.html#downloads 
mysql-5.7.14-linux-glibc2.5-x86_64.tar.gz

2. 檢查庫文件是否存在，如有刪除。

[root@slave ~]# rpm -qa | grep mysql 
mysql-libs-5.1.71-1.el6.x86_64 
[root@slave ~]# rpm -e mysql-libs-5.1.71-1.el6.x86_64 --nodeps 
[root@slave ~]# rpm -qa | grep mysql
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3. 檢查mysql組和用戶是否存在，如無創建。

[root@slave ~]# cat /etc/group | grep mysql 
[root@slave ~]# cat /etc/passwd | grep mysql  
// useradd -r參數表示mysql用戶是系統用戶，不可用于登錄系統。 
[root@slave ~]# groupadd mysql 
[root@slave ~]# useradd -r -g mysql mysql
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4. 解壓TAR包，更改所屬的組和用戶

[root@slave zkpk]# cd /usr/local/ 
[root@slave local]# tar -xf mysql-5.7.14-linux-glibc2.5-x86_64.tar.gz  
[root@slave local]# mv mysql-5.7.14-linux-glibc2.5-x86_64 mysql 
[root@slave local]# ll 
total 628304 drwxr-xr-x. 2 root root       4096 Sep 23  2011 bin drwxr-xr-x. 2 root root       4096 Sep 23  2011 etc drwxr-xr-x. 2 root root       4096 Sep 23  2011 games drwxr-xr-x. 2 root root       4096 Sep 23  2011 include drwxr-xr-x. 8 root root       4096 Sep 27  2014 jdk1.7.0_71 drwxr-xr-x. 8 root root       4096 Apr 11  2015 jdk1.8.0_45 drwxr-xr-x. 2 root root       4096 Sep 23  2011 lib drwxr-xr-x. 2 root root       4096 Sep 23  2011 lib64 drwxr-xr-x. 2 root root       4096 Sep 23  2011 libexec drwxr-xr-x. 9 7161 31415      4096 Jul 12 21:03 mysql -rw-r--r--. 1 zkpk zkpk  642694570 Aug 20 00:57 mysql-5.7.14-linux-glibc2.5-x86_64.tar.gz drwxr-xr-x. 2 root root       4096 Sep 23  2011 sbin drwxr-xr-x. 5 root root       4096 Jul 30 21:17 share drwxr-xr-x. 2 root root       4096 Sep 23  2011 src 
[root@slave local]# rm mysql-5.7.14-linux-glibc2.5-x86_64.tar.gz  
rm: remove regular file `mysql-5.7.14-linux-glibc2.5-x86_64.tar.gz'? y 
[root@slave local]# chown -R mysql:mysql mysql/ 
[root@slave local]# cd mysql/
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5. 安裝和初始化數據庫

配置OS

sudo vim /etc/security/limits.conf  
mysql hard nofile 65535 
mysql soft nofile 65535
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安裝與初始化DB

[root@slave mysql]# bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data/ 
2016-08-20 01:18:44 [WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize 
2016-08-20 01:18:47 [WARNING] The bootstrap log isn't empty: 
2016-08-20 01:18:47 [WARNING] 2016-08-19T17:18:44.728642Z 0 [Warning] --bootstrap is deprecated. Please consider using --initialize instead 
2016-08-19T17:18:44.729178Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000) 
2016-08-19T17:18:44.729183Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000)
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如果改變默認安裝路徑，則需要 
1. /etc/my.cnf、/etc/init.d/mysqld中修改： 
basedir=’/apps/mysql’ datadir=’/apps/mysql/data’ 
2. 創建ln： 
mkdir -p /usr/local/mysql/bin

[root@slave mysql]# cp -a ./support-files/my-default.cnf /etc/my.cnf 
[root@slave mysql]# cp -a ./support-files/mysql.server  /etc/init.d/mysqld
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[root@slave mysql]# cd bin/ 
[root@slave bin]# ./mysqld_safe --user=mysql &
[1] 2966 
[root@slave bin]# 2016-08-19T17:24:36.174662Z mysqld_safe Logging to '/usr/local/mysql/data/slave.err'. 2016-08-19T17:24:36.207209Z mysqld_safe Starting mysqld daemon with databases from /usr/local/mysql/data  
[root@slave bin]#  
[root@slave bin]#  
[root@slave bin]#  
[root@slave bin]#  
[root@slave bin]# /etc/init.d/mysqld restart 
Shutting down MySQL..2016-08-19T17:25:18.416810Z mysqld_safe mysqld from pid file /usr/local/mysql/data/slave.pid ended                                                            [  OK  ] Starting MySQL.                                            [  OK  ] [1]+  Done                    ./mysqld_safe --user=mysql [root@slave bin]# 
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設置開機啟動

[root@slave bin]# chkconfig --level 35 mysqld on
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6. 初始化密碼

[root@slave bin]# cat /root/.mysql_secret 
 # Password set for user 'root@localhost' at 2016-08-20 01:18:44  
eqW;ehX;>-YG 
[root@slave bin]# ./mysql -uroot -p 
Enter password:  
Welcome to the MySQL monitor.  Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.7.14  Copyright (c) 2000, 2016, 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('123456'); Query OK, 0 rows affected, 1 warning (0.00 sec)  
mysql> flush privileges; Query OK, 0 rows affected (0.00 sec)
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7. 添加遠程訪問權限

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, 1 row affected (0.00 sec) Rows matched: 1  Changed: 1  Warnings: 0   mysql> select host, user from user; +-----------+-----------+ | host      | user      | +-----------+-----------+ | %         | root      | | localhost | mysql.sys | +-----------+-----------+  //重啟生效 /etc/init.d/mysqld restart
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8. 修改字符集

[root@slave mysql]# vim /etc/my.cnf   [mysqld] ...略 character-set-server=utf8  //重啟生效 /etc/init.d/mysqld restart
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9. linux下mysql配置文件my.cnf詳解

http://www.cnblogs.com/captain_jack/archive/2010/10/12/1848496.html

10. 卸載MySQL

# 1. 停止服務 /etc/init.d/mysqld stop  
# 2. 停止并刪除開機啟動 chkconfig mysqld off chkconfig --del mysqld  
# 3. 刪除MySQL目錄 rm -rf /usr/local/mysql rm -f /etc/my.cnf rm -f /etc/init.d/mysqld rm -f /root/.mysql_secret  
# 4. 刪除用戶和用戶組 userdel -r mysql