CentOS 7安装Mysql+Mycat

1. 安装MySQL yum源

   yum localinstall  http://repo.mysql.com//mysql57-community-release-el7-7.noarch.rpm
   

2. 修改源

   vi /etc/yum.repos.d/mysql-community.repo
   [mysql-connectors-community]
   name=MySQL Connectors Community
   baseurl=http://repo.mysql.com/yum/mysql-connectors-community/el/7/$basearch/
   enabled=0
   gpgcheck=1
   gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
   
   [mysql-tools-community]
   name=MySQL Tools Community
   baseurl=http://repo.mysql.com/yum/mysql-tools-community/el/7/$basearch/
   enabled=0
   gpgcheck=1
   gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
   
   # Enable to use MySQL 5.5
   [mysql55-community]
   name=MySQL 5.5 Community Server
   baseurl=http://repo.mysql.com/yum/mysql-5.5-community/el/7/$basearch/
   enabled=0
   gpgcheck=1
   gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
   
   # Enable to use MySQL 5.6
   [mysql56-community]
   name=MySQL 5.6 Community Server
   baseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/7/$basearch/
   enabled=1 # 启用5.6
   gpgcheck=1
   gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
   
   [mysql57-community]
   name=MySQL 5.7 Community Server
   baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/
   enabled=0 # 禁用5.7
   gpgcheck=1
   gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
   

3. 刷新源

   yum repolist enabled | grep mysql
   

4. 安装MySQL</