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FreeBSD安装MySQL_MySQL

Jun 01, 2016 pm 02:02 PM
freebsd mysql

FreeBSDmysql安装

  ports安装:

  cd /usr/ports/databases/mysql51-server

  make WITH_CHARSET=utf8 WITH_PROC_SCOPE_PTH=yes BUILD_OPTIMIZED=yes BUILD_STATIC=yes SKIP_DNS_CHECK=yes WITHOUT_INNODB=yes install clean

  装了N个服务器之后总结出来的,需要注意的几点:

  make安装时候的参数

  WITH_XCHARSET=all 不加这个的话会不支持GBK编码

  BUILD_OPTIMIZED=yes

  BUILD_STATIC=yes 这2项都是起到优化作用,都加上的好

  mysql默认读取/etc目录下面的my.cnf,但是安装过程不会自动在这目录下创建本文件,默认这个文件在/usr/local/share/mysql目录下面,有3个版本:

  my-large.cnf 一般高配置服务器或者mysql专用服务器用这个配置文件

  my-medium.cnf 服务器配置并跑有其它应用时用这个配置文件

  my-small.cnf 服务器资源紧张的就用这个好了

  根据你的机器配置选择一个cp /usr/local/share/mysql/my-large.cnf /etc/my.cnf

  安装过程并不会自动创建默认的数据库,需要手工创建

  /usr/local/bin/mysql_install_db –user=mysql

  并且需要更改数据库目录的权限,不然会启动不起来

  chown -R mysql:mysql /var/db/mysql

  启动mysql,好像第一次用脚本启动的话要使用

  /usr/local/etc/rc.d/mysql-server onestart

  使用/usr/local/etc/rc.d/mysql-server start不行

  修改root密码,比如我们要修改成123456

  mysqladmin -uroot -p password 123456

  会提示你再次输入一次密码Enter password:,再输入一次123456即可

  修改数据文件的默认目录

  vi /etc/my.cnf中加入datadir=数据库的目录,记得把原/var/db/mysql中的文件都复制过去,再执行

  chown -R mysql:mysql 数据库的目录

  最后一点千万别忘记,要不然mysql又该启动不起来了

  修改/usr/local/etc/rc.d/mysql-server文件中的mysql_dbdir=”/var/db/mysql”为你的新目录

  或者在/etc/rc.conf中加入mysql_dbdir=”新目录”

  最后在/etc/rc.conf加入mysql_enable=”yes”让mysql开机自启动

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