linux php安裝mysql資料庫的方法：首先關閉linux的防火牆；然後從mysql官網上下載自己適合的mysql版本；接著在mysql當前目錄下設定目錄的存取權限；最後查看mysql狀態即可。
1、先關閉linux的防火牆，執行指令
chkconfig iptables off
2、
从mysql官网上下载自己适合的mysql版本
https://dev. mysql.com/downloads/mysql/5.6.html#downloads，進入mysql官網，依序點選
#
3、下載後的mysql檔
mysql-5.6.40-linux-glibc2.12-i686.tar.gz
將下載好的mysql壓縮檔放置在linux的/usr/local資料夾下，解壓縮該壓縮檔
tar -zxvf mysql-5.6.40-linux-glibc2.12-i686.tar.gz
將解壓縮後的檔案重新命名為mysql
mv mysql-5.6.40-linux-glibc2.12-i686 mysql
4、建立mysql用戶群組及用戶
groupadd mysql useradd -r -g mysql mysql
5、進入mysql目錄，執行新增MySQL配置的操作
cp support-files/my-medium.cnf /etc/my.cnf 或： cp support-files/my-default.cnf /etc/my.cnf
是否覆盖？按y 回车
6、編輯/etc/my.cnf檔；
vi /etc/my.cnf
在my.cnf檔案中新增或修改相關配置，變更完成後儲存退出
1 # For advice on how to change settings please see 2 # http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html 3 # *** DO NOT EDIT THIS FILE. It's a template which will be copied to the 4 # *** default location during install, and will be replaced if you 5 # *** upgrade to a newer version of MySQL. 6 7 [mysqld] 8 9 # Remove leading # and set to the amount of RAM for the most important data10 # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.11 # innodb_buffer_pool_size = 128M12 13 # Remove leading # to turn on a very important data integrity option: logging14 # changes to the binary log between backups.15 # log_bin16 17 # These are commonly set, remove the # and set as required.18 basedir = /usr/local/mysql19 datadir = /usr/local/mysql/data20 port = 330621 # server_id = .....22 socket = /tmp/mysql.sock23 character-set-server = utf824 skip-name-resolve25 log-err = /usr/local/mysql/data/error.log26 pid-file = /usr/local/mysql/data/mysql.pid27 28 # Remove leading # to set options mainly useful for reporting servers.29 # The server defaults are faster for transactions and fast SELECTs.30 # Adjust sizes as needed, experiment to find the optimal values.31 # join_buffer_size = 128M32 # sort_buffer_size = 2M33 # read_rnd_buffer_size = 2M 34 35 sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
7、在mysql目前目錄下設定目錄的存取權限（注意後面的小點，表示目前目錄）
chown -R mysql . chgrp -R mysql . scripts/mysql_install_db --user=mysql chown -R root . chown -R mysql data
8、初始化資料（在mysql/bin或mysql/scripts下有個 mysql_install_db 執行檔初始化資料庫），進入mysql/bin或mysql/ scripts目錄下，執行下面指令
./mysql_install_db --verbose --user=root --defaults-file=/etc/my.cnf --datadir=/usr/local/mysql/data --basedir=/usr/local/mysql --pid-file=/usr/local/mysql/data/mysql.pid --tmpdir=/tmp
9、啟動mysql，進入/usr/local/mysql/bin目錄，執行下方指令
./mysqld_safe --defaults-file=/etc/my.cnf --socket=/tmp/mysql.sock --user=root &
注意，如果光标停留在屏幕上，表示启动成功，需要我们先关闭shell终端，再开启一个新的shell终端，不要执行退出操作。如果出现 mysql ended这样的语句，表示Mysql没有正常启动，你可以到log中查找问题.
10、設定開機啟動，新開啟shell中斷後，進入mysql目錄，執行下方指令
<span style="color: #000000;">cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld cp /usr/local/mysql/support-files/mysql.server /etc/rc.d/init.d/mysql<br/></span>
chmod 700 /etc/init.d/mysql chkconfig --add mysqld chkconfig --level 2345 mysqld on chown mysql:mysql -R /usr/local/mysql/
重啟linux
reboot
查看mysql狀態
service mysqld status
11、新增遠端存取權限
（1）、新增mysql指令
ln -s /usr/local/mysql/bin/mysql /usr/bin （mysql的安装路径）
（2）、變更存取權限
登录mysql,执行下面命令 mysql -uroot -p 密码为空直接回车,运行以下两条命令 GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'duan' with grant option; Flush privileges;
退出mysql
exit
重啟linux,就完成了
reboot
註：本機存取mysql，root帳號預設是沒有密碼的，連接埠號碼預設3306，如果需要修改root帳號密碼，在/usr/local/mysql/bin目錄下，執行下面指令
./mysqladmin -h 127.0.0.1 -P3306 -uroot password 'duan'exit
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