CentOS 6.2编译安装MySQL5.5.25
之前虚拟机里装的系统都是ubuntu，后来同事说一般的服务器都是安装的centos，所以又重新倒腾了centos系统。当然，首先得搭建PHP环
之前虚拟机里装的系统都是Ubuntu，后来同事说一般的服务器都是安装的CentOS，所以又重新倒腾了centos系统。
当然，首先得搭建PHP环境。下载的源码mysql，版本是5.5.25，最新的好像是5.5.4。这里记住，一定要下载源码，在mysql官网下载时，会提示你选择平台，，选择下拉菜单中的最底下一个Source Code。
按照之前ubuntu安装的步骤安装后，启动mysql启动不起来。错误代码为“ The server quit without updating PID file(/var/lib/mysql/CentOS.pid)”，百度和google都搜索了一些资料，基本一致，对我没帮助，按照他们说的修改了也不行。最终成功搞定。
第一步：我们首先安装依赖库和开发工具
#依赖库和开发工具 yum -y install gcc gcc-c++ autoconf libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel e2fsprogs e2fsprogs-devel krb5 krb5-devel libidn libidn-devel openssl openssl-devel openldap openldap-devel nss_ldap openldap-clients openldap-servers #Nginx yum -y install pcre-devel zlib-devel #Php yum -y install gd-devel libjpeg-devel libpng-devel freetype-devel libxml2-devel curl-devel freetype-devel #Mysql yum -y install bison gcc gcc-c++ autoconf automake zlib* libxml* ncurses-devel libtool-ltdl-devel* mysql-devel
第二步：由于mysql5.5开始，不再使用configure安装，而是使用cmake。所以需要先安装cmake
wget http:// tar -zxvf cmake-2.8.6.tar.gz cd cmake-2.8.6/ ./configure make && make install
第三步：cmake安装mysql（我已经下载好了mysql源码文件，放在U盘里，拷贝到/tmp目录下）
//进入/tmp目录下
tar -zxvf mysql-5.5.25.tar.gz
cd mysql-5.5.25
cmake \
-DCMAKE_INSTALL_PREFIX=/usr/local/webserver/mysql \
-DMYSQL_DATADIR=/user/local/webserver/mysql/data \
-DSYSCONFDIR=/etc \
-DEXTRA_CHARSETS=all \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_ARCHIVE_STORAGE_ENGINE=1 \
-DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
-DWITH_FEDERATED_STORAGE_ENGINE=1 \
-DWITH_PARTITION_STORAGE_ENGINE=1 \
-DWITH_PERFSCHEMA_STORAGE_ENGINE=1 \
-DMYSQL_UNIX_ADDR=/tmp/mysqld.sock \
-DMYSQL_TCP_PORT=3306 \
-DWITH_DEBUG=0 \
-DENABLED_LOCAL_INFILE=1
回车执行，执行完成后继续执行 make && make install
第四步：设置mysql
#设置Mysql #在support-files目录中有五个配置信息文件(这里很重要，一定要根据自己的内存复制对应的cnf文件，否则mysql始终起不来)： #my-small.cnf (内存64M) #my-medium.cnf (内存 128M) #my-large.cnf (内存 512M) #my-huge.cnf (内存 1G-2G) #my-innodb-heavy-4G.cnf (内存 4GB) cd /usr/local/webserver/mysql cp ./support-files/my-huge.cnf /etc/my.cnf vi /etc/my.cnf #在 [mysqld] 段增加 datadir = /data/mysql wait-timeout = 30 max_connections = 512 default-storage-engine = MyISAM #在 [mysqld] 段修改 max_allowed_packet = 16M
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