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安装路径:/application/mysql-5.7.18 1.前期准备 mysql依赖 libaio yum install -y libaio 创建用户mysql,以该用户的身份执行mysql useradd -s /bin/false -M mysql 下载mysql二进制包并解压 cd /tools wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz tar -zxf mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz -C /application/ 切换到/application目录,将mysql文件夹名改短,给mysql目录做一个软链接 cd /application/ mv mysql-5.7.18-linux-glibc2.5-x86_64/ mysql-5.7.18 ln -s mysql-5.7.18/ mysql 在mysql目录下创建mysql-files,该文件夹权限为750,递归设置mysql目录的所属组和所属用户 mkdir mysql/mysql-files chmod 750 mysql/mysql-files chown -R mysql:mysql mysql-5.7.18/ 2.mysql目录内操作 cd mysql 初始化数据库 会在mysql目录内生成一个data目录,存放数据库的目录 bin/mysqld --initialize --user=mysql --basedir=/application/mysql --datadir=/application/mysql/data 返回结果最后一行的末尾有随机密码,我的记下来:wa0I:1w?V--a 2017-04-28T02:49:00.853710Z 1 [Note] A temporary password is generated for root@localhost: wa0I:1w?V--a 想设置默认密码为空则将--initialize选项替换为--initialize-insecure选项 bin/mysqld --initialize-insecure --user=mysql --basedir=/application/mysql --datadir=/application/mysql/data 安装ssl bin/mysql_ssl_rsa_setup --datadir /application/mysql/data/ 指定data目录的路径 更改所属用户和组 chown -R root . chown -R mysql data mysql-files 除了mysql目录下的data目录和mysql-files目录所属用户不变,其他所有文件的所属用户改为root 修改配置文件 sed -i 's/^datadir=\/var\/lib\/mysql/datadir=\/application\/mysql\/data/g' /etc/my.cnf sed -i 's/^socket=\/var\/lib\/mysql\/mysql.sock/socket=\/tmp\/mysql.sock/g' /etc/my.cnf sed -i 's/^log-error=\/var\/log\/mariadb\/mariadb.log/log-error=\/application\/mysql\/data\/err.log/g' /etc/my.cnf sed -i 's/^pid-file=\/var\/run\/mariadb\/mariadb.pid/pid-file=\/application\/mysql\/data\/mysql.pid/g' /etc/my.cnf 等价于: vi /etc/my.cnf datadir=/application/mysql/data socket=/tmp/mysql.sock log-error=/application/mysql/data/err.log pid-file=/application/mysql/data/mysql.pid /etc/my.cnf Content: [mysqld] datadir=/application/mysql/data socket=/tmp/mysql.sock # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 # Settings user and group are ignored when systemd is used. # If you need to run mysqld under a different user or group, # customize your systemd unit file for mariadb according to the # instructions in http://fedoraproject.org/wiki/Systemd [mysqld_safe] log-error=/application/mysql/data/err.log pid-file=/application/mysql/data/mysql.pid # # include all files from the config directory # !includedir /etc/my.cnf.d 拷贝启动程序 cp support-files/mysql.server /etc/init.d/mysql 将mysql的启动程序拷贝到/etc/init.d/目录下,以便启动程序 编辑启动文件,配置启动目录 方法一: 思路是给配置文件提供的变量进行赋值。较麻烦。 sed -i 's/^basedir=/basedir=\/application\/mysql/g' /etc/init.d/mysql sed -i 's/^datadir=/datadir=\/application\/mysql\/data/g' /etc/init.d/mysql sed -i 's/^mysqld_pid_file_path=/mysqld_pid_file_path=\/application\/mysql\/data\/mysql.pid/g' /etc/init.d/mysql 等价于将45、46两行 basedir= datadir= mysqld_pid_file_path= 替换成 basedir=/application/mysql datadir=/application/mysql/data mysqld_pid_file_path=/application/mysql/data/mysql.pid 方法二(推荐): 思路是将脚本的默认地址(/usr/local/mysql)直接替换成自定义路径(/application/mysql),便不用给变量赋值 sed -i 's#/usr/local/mysql#/application/mysql#g' /etc/init.d/mysql 到这里mysql安装完成可以正常启动 3.后期结尾 命令创建软链接 将mysql命令创建软链接到环境变量的目录,使用户可以在变量找到相应的命令 ln -s /application/mysql/bin/* /usr/local/sbin 登录mysql [root@www mysql]# mysql -u root -p Enter password: #输入之前保存的随机密码drRR0 ... mysql> #成功登陆到mysql控制台 修改密码sql语句 mysql> alter user 'root'@'localhost' identified by 'NewPassWord'; #将密码修改为NewPassWord Query OK, 0 rows affected (0.01 sec) #修改成功 键入quit或Ctrl + d退出 mysql> quit Bye [root@www mysql]# or mysql> ^DBye [root@www mysql]# 4.常用命令 进入mysql mysql -u root -p 启动mysql service mysql start 停止mysql service mysql stop 重启mysql service mysql restart 以上所述是小编给大家介绍的Mysql5.7.18版本(二进制包安装)自定义安装路径教程详解,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对极客世界网站的支持! |
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