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    在Linux中安装mysql的方式有哪些[ mysql数据库 ]

    mysql数据库 时间:2024-11-29 09:50:00

    作者:文/会员上传

    简介:

    1. yum安装(1)首先查看centos自带的mysql是否被安装:#yumlistinstalled|grepmysql//若有自带安装的mysql,将其卸载#yum-yremovemysql-libs.x86_64(2)下载MySQL官网的yum仓库:https:

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    1. yum安装

    (1)首先查看centos自带的mysql是否被安装:

    #yumlistinstalled|grepmysql//若有自带安装的mysql,将其卸载#yum-yremovemysql-libs.x86_64

    (2)下载MySQL官网的yum仓库:https://dev.mysql.com/downloads/repo/yum/,

    #yumlocalinstallmysql57-community-release-el6-11.noarch.rpm//查看yum仓库是否成功添加#yumrepolistenabled|grep"mysql.*-community.*"

    (3)使用mysql yum仓库时,默认情况下选择的最新版本进行安装,也可以通过手动编辑文件来选择一个版本安装。例如,要安装mysql5.6版本,则再mysql56-community设置enabled=1,mysql57-community设置enabled=0。

    #vim/etc/yum.repos.d/mysql-community.repo[mysql57-community]name=MySQL5.7CommunityServerbaseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/6/$basearch/enabled=0gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql#EnabletouseMySQL5.6[mysql56-community]name=MySQL5.6CommunityServerbaseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/6/$basearch/enabled=1gpgcheck=1gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

    (4)安装mysql

    #yuminstallmysql-community-server

    (5)启动mysql服务

    #servicemysqldstart

    若出现下面输出则表示mysql安装成功:

    Startingmysqld:[OK]

    2. 源码编译安装mysql

    (1)首先安装源码编译所需要的包

    #yum-yinstallmakegcc-c++cmakebison-develncurses-devel

    (2)下载并解压安装包

    # wget http://cdn.mysql.com/Downloads/MySQL-5.6/mysql-5.6.14.tar.gz
    # tar xvf mysql-5.6.14.tar.gz

    (3)编译安装(编译参数按实际情况制定)

    #cdmysql-5.6.14#cmake.-DCMAKE_INSTALL_PREFIX=/usr/local/mysql\-DMYSQL_DATADIR=/usr/local/mysql/data\-DSYSCONFDIR=/etc\-DWITH_MYISAM_STORAGE_ENGINE=1\-DWITH_INNOBASE_STORAGE_ENGINE=1\-DWITH_MEMORY_STORAGE_ENGINE=1\-DWITH_READLINE=1\-DMYSQL_UNIX_ADDR=/var/lib/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#make&&makeinstall

    (4)配置mysql

    设置权限:

    #useraddmysql#passwdmysql#chown-Rmysql:mysql/usr/local/mysql

    初始化mysql:

    #cd/usr/local/mysql#scripts/mysql_install_db--basedir=/usr/local/mysql--datadir=/usr/local/mysql/data--user=mysql

    注意:在/etc目录下会存在一个my.cnf,需要将此文件更名为其他的名字,如:/etc/my.cnf.bak,否则,该文件会干扰源码安装的MySQL的正确配置,造成无法启动。

    (5)注册为服务

    #cd/usr/local/mysql/support-files//注册服务#cpmysql.server/etc/rc.d/init.d/mysql//使用默认配置文件#cpmy-default.cnf/etc/my.cnf//设置开机启动#chkconfigmysqlon

    (6)启动服务

    #servicemysqlstart

    3. mysql客户端

    首次进入mysql客户端时,通常会出现这种错误:

    解决方案如下:

    (1)在/etc/my.cnf文件中添加如下命令:

    (2)重启mysql服务之后,进入mysql客户端修改root用户的密码:

    updatemysql.usersetauthentication_string=password("PASSWORD")whereuser="root";flushprivileges;

    (3)将刚刚添加的那条命令注释掉,在mysql客户端重设密码:

    //设置密码强度和长度>setglobalvalidate_password_policy=0;>setglobalvalidate_password_length=1;//更改密码>alteruser'root'@'localhost'identifiedby'PASSWORD';

    (4)若设置root用户可以远程访问,还需执行:

    >GRANTALLPRIVILEGESON*.*TO'root'@'%'IDENTIFIEDBY'PASSWORD'WITHGRANTOPTION;>flushprivileges;
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