39. mycat安装

1. 前提

#mycat多实例环境
192.168.178.161
192.168.178.162

2. 预先安装Java环境

#161,假设mycat安装在161上，则在161安装java环境
yum install -y java

[root@161 mycat]# yum install java -y

[root@161 mycat]# java -version
openjdk version "1.8.0_292"
OpenJDK Runtime Environment (build 1.8.0_292-b10)
OpenJDK 64-Bit Server VM (build 25.292-b10, mixed mode)

3. 下载mycat-server压缩包

1.浏览器访问 https://github.com/MyCATApache/Mycat-Server/

2.点击右侧release，然后点击tag

3.选择需要的版本后，点击进去，点击下载

我最后选择的最新版本的！

4. 上传文件

#161
cd /application
ls /application

[root@161 ~]# cd /application/
[root@161 application]# ls
Mycat-server-1.6.7.5-release-20200422133810-linux.tar.gz  mysql

5. 解压文件

cd /application && tar -zxf Mycat-server*
ls /application

[root@161 application]# cd /application && tar -zxf Mycat-server*
[root@161 application]# ls
mycat  Mycat-server-1.6.7.5-release-20200422133810-linux.tar.gz  mysql
[root@161 application]# cd mycat/
[root@161 mycat]# ls
bin  catlet  conf  lib  version.txt

6. 配置环境变量

echo "export PATH=/application/mycat/bin:$PATH">>/etc/profile
source /etc/profile

[root@161 mycat]# echo "export PATH=/application/mycat/bin:$PATH">>/etc/profile
[root@161 mycat]# source /etc/profile
[root@161 mycat]#
[root@161 mycat]# mycat --help
Usage: /application/mycat/bin/mycat { console | start | stop | restart | status | dump }
[root@161 mycat]# which mycat
/application/mycat/bin/mycat

7. 启动测试

mycat start

8. 连接测试

mysql -uroot -p123456 -h127.0.0.1 -P 8066

#启动测试
[root@161 mycat]# mycat start
Starting Mycat-server...
[root@161 mycat]#
[root@161 mycat]# mysql -uroot -p123456 -h127.0.0.1 -P 8066
mysql: [Warning] Using a password on the command line interface can be insecure.
ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)

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最后更新: 2022-02-20 11:21:58