接上一篇：实战_21_Mycat_MySql更新数据库失败 --read-only
https://blog.csdn.net/weixin_40816738/article/details/100059688

1. 下载mycat

wget http://dl.mycat.io/1.6.5/Mycat-server-1.6.5-release-20180122220033-linux.tar.gz

2. 解压即安装mycat

tar -zxf Mycat-server-1.6.5-release-20180122220033-linux.tar.gz -C /app/

3.建立软件连接

#格式 ln -s /安装目录/bin/mycat /etc/init.d/mycat
ln -s /app/mycat/bin/mycat /etc/init.d/mycat

4. 修改conf/wrapper.conf文件，wrapper.java.command设置为java的路径

#
vim /app/mycat/conf/wrapper.conf
/app/jdk1.8.0_144/bin/java

5. 启动mycat

service mycat start

6. 加入开机启动

chkconfig --add mycat