mysql5.7安装【linux】

【前提：##安装依赖】

#yum -y install make gcc-c++ cmake bison-devel ncurses-devel

#安装boost（5.7需要安装boost）

wget http://www.sourceforge.net/projects/boost/files/boost/1.59.0/boost_1_59_0.tar.gz

mkdir -p /usr/local/boost

tar -zxvf boost_1_59_0.tar.gz

##下载安装包

mysql-5.7.22.tar.gz

#解压安装包

tar -zxvf mysql-5.7.22.tar.gz -C /usr/local/mysql

##安装前配置

新版本的mysql使用了cmake 进行安装，所以没有之前的configure文件了。

	cmake \
	-DCMAKE_INSTALL_PREFIX=/usr/local/mysql \
	-DMYSQL_DATADIR=/var/data/mysql/data \ 
	-DSYSCONFDIR=/etc  \
	-DDOWNLOAD_BOOST=1 \
	-DWITH_BOOST=/usr/local/boost/boost_1_59_0 \
	-DWITH_MYISAM_STORAGE_ENGINE=1 \
	-DWITH_INNOBASE_STORAGE_ENGINE=1 \
	-DWITH_MEMORY_STORAGE_ENGINE=1 \
	-DWITH_READLINE=1 \
	-DMYSQL_UNIX_ADDR=/var/data/mysql/mysql.sock \
	-DMYSQL_TCP_PORT=3306 \
	-DENABLED_LOCAL_INFILE=1 \
	-DWITH_PARTITION_STORAGE_ENGINE=1 \
	-DEXTRA_CHARSETS=all \
	-DDEFAULT_CHARSET=utf8 \
	-DDEFAULT_COLLATION=utf8_general_ci

.......漫长的等待

上面几个重要的地方

'-DCMAKE_INSTALL_PREFIX' 是安装目录

'-DMYSQL_DATADIR' 是数据文件存放目录

'-DSYSCONFDIR' 配置文件目录

'-DMYSQL_UNIX_ADDR' SOCK文件存放目录

'-DMYSQL_TCP_PORT' 端口号

##编译安装

make && make install

##添加mysql用户组和用户

groupadd mysql
useradd -M -g mysql -s /bin/nologin mysql

##更新/usr/local/mysql权限为mysql用户

chown -R mysql:mysql /usr/local/mysql

chown -R mysql:mysql /var/data/mysql

##将mysql/bin加入PATH目录下

#vi /etc/profile

export PATH=${JAVA_HOME}/bin:$PATH:/usr/local/mysql/bin

#配置my.cnf

 (我们上面指定配置文件位于'/etc'目录下)
 vi /etc/my.cnf  
 如果mysql 在'/etc'目录下找不到，会去～/my.cnf  寻找，接着会到'$basedir'下去找，也就是'/usr/local/mysql/'目录

##初始化数据库，得到数据库root账号临时密码（ I?f(qixHs6hk）

[root@VM_0_3_centos mysql]# /usr/local/mysql/bin/mysqld --initialize --user=mysql
2018-07-06T09:38:50.529167Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-07-06T09:38:52.003484Z 0 [Warning] InnoDB: New log files created, LSN=45790
2018-07-06T09:38:52.229883Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2018-07-06T09:38:52.262078Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 649a5b01-8100-11e8-be83-525400b8a4fd.
2018-07-06T09:38:52.269365Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.

2018-07-06T09:38:52.269910Z 1 [Note] A temporary password is generated for root@localhost: cLs<_1h1ZM%4

保存的密码

#配置系统服务(方便管理)

 cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld
 chmod +x /etc/init.d/mysqld
 此时可以直接使用   
service mysqld start
## 开机启动和systemctl管理

#vi /etc/init.d/mysqld
   # chkconfig: 2345 64 36
   # description: A very fast and reliable SQL database engine.
## chkconfig --add  mysqld（加入开机启动项）
  #chkconfig mysqld on（开启开机启动）
  #chkconfig  mysqld off(关闭开机启动)   #chkconfig --list(查看开机启动项)  
此时可以使用 systemctl start mysqld

######首次进入更改上面保存的密码

step 1: SET PASSWORD = PASSWORD('your new password');

step 2: ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER; ##设置账号密码永远不过期

step 3: flush privileges;

好了，到这里mysql 算是安装成功了！

mysql5.7安装【linux】

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