mysql在linux上的安装之一yum安装

mysql的安装无非以下几种,其中yum安装也是rpm安装中的一种,只不过这种不需要再单独下载安装包,直接根据操作系统自带的mysql包进行安装,比较简单,本篇主要对yum进行讲解,后续会对其它几种方式进行总结。

目前的安装方式

1,rpm 安装

2,二进制安装

3,源码安装

4,yum安装

 

yum方式安装

    1. 安装操作系统


    1.1安装Red Hat Enterprise Linux 6.2 (64-bit)
                arch: x86_64
    1.2. 关闭selinux  vi /etc/selinux/config

    1.3. service iptables stop  临时关闭防火墙

 
    2  安装数据库MySQL
     2.1挂载Redhat镜像文件 ftp://192.168.0.212/pub/iso/rhel6.2/,命令如下
#mkdir -p /mnt/iso
#mkdir -p /mnt/redhat5.5
                # mount   192.168.0.212:/var/ftp/pub/iso/rhel5.5/   /mnt/iso/
                # mount -t iso9660 -o loop  rhel-server-5.5-x86_64-dvd.iso   /mnt/redhat5.5/   
    2.2 配置yum
          # cd /etc/yum.repos.d/
                # cp rhel-debuginfo.repo  rhel-debuginfo.repo_bak
                  # vi rhel-debuginfo.repo
 
[rhel-debuginfo]
name=Red Hat Enterprise Linux $releasever - $basearch - Debug
baseurl=file:///mnt/redhat5.5/Server
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release



 

[oracle@Redhat5 yum.repos.d]$ ls
el5u5.repo  el5u8.repo  rhel-debuginfo.repo
[oracle@Redhat5 yum.repos.d]$ cat el5u8.repo
[Server]
name=Red Hat Enterprise Linux 5 update 8
baseurl=ftp://192.168.0.212/pub/src/RHEL5U8/x64/Server
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
[VT]
name=Red Hat Enterprise Linux 5 update 8
baseurl=ftp://192.168.0.212/pub/src/RHEL5U8/x64/VT
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
[Cluster]
name=Red Hat Enterprise Linux 5 update 8
baseurl=ftp://192.168.0.212/pub/src/RHEL5U8/x64/Cluster
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
[ClusterStorage]
name=Red Hat Enterprise Linux 5 update 8
baseurl=ftp://192.168.0.212/pub/src/RHEL5U8/x64/ClusterStorage
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
    2.3根据需求创建mysql数据存储目录
      #  mkdir /mysqldata
2.4  yum安装mysql,mysql-server
 # yum install mysql  mysql-server
      2.5 修改mysql配置文件
                 # vi /etc/my.cnf   
[mysqld]
datadir=/data/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).
old_passwords=1
default-character-set=utf8

# Disabling symbolic-links is recommended to prevent assorted security risks;
# to do so, uncomment this line:
# symbolic-links=0

lower_case_table_names=1

[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid

[mysql]
default-character-set=utf8


    2.6启动mysql,同时添加mysql自动启动
#  /etc/rc.d/init.d/mysqld start
                # chkconfig mysqld on
                # chkconfig --list mysqld

     2.7 修改mysql密码
          # mysql -u root
/usr/bin/mysqladmin -u root password 123456

mysql> grant all on mysql.* to ‘root‘@‘localhost‘  identified by ‘mysql8895‘
mysql> source  /opt/MYSQL.sql  导入数据
mysql> exit  

 建立用户:

mysql> grant all on dcs.* to "ligang"@"%" identified by "dcsA99ligang";

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