apt-get install -y lsb-release
wget -O - 'http://repo.proxysql.com/ProxySQL/repo_pub_key' | apt-key add -
echo deb http://repo.proxysql.com/ProxySQL/proxysql-1.4.x/$(lsb_release -sc)/ ./ \
| tee /etc/apt/sources.list.d/proxysql.list

apt-get update
apt-get install proxysql OR apt-get install proxysql=version

cat <<EOF | tee /etc/yum.repos.d/proxysql.repo
[proxysql_repo]
name= ProxySQL YUM repository
baseurl=http://repo.proxysql.com/ProxySQL/proxysql-1.4.x/centos/\$releasever
gpgcheck=1
gpgkey=http://repo.proxysql.com/ProxySQL/repo_pub_key
EOF

yum install proxysql OR yum install proxysql-version

开启
service proxysql start关闭
service proxysql stop重启
service proxysql restart

进入管理界面
# mysql -u admin -padmin -h 127.0.0.1 -P6032 --prompt='Admin> '开启
Admin> proxysql start;
Query OK, 0 rows affected (0.00 sec)关闭
Admin> proxysql stop;
ERROR 2013 (HY000): Lost connection to MySQL server during query重启
Admin> proxysql restart;
ERROR 2013 (HY000): Lost connection to MySQL server during query

# mysql -u admin -padmin -h 127.0.0.1 -P6032 --prompt='Admin> '
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.5.30 (ProxySQL Admin Module)Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.Admin>

Admin> INSERT INTO mysql_servers(hostgroup_id,hostname,port) VALUES (1,'127.0.0.1',3306);
Query OK, 1 row affected (0.00 sec)

Admin> LOAD MYSQL SERVERS TO RUNTIME;
Query OK, 0 rows affected (0.00 sec)Admin> SAVE MYSQL SERVERS TO DISK;
Query OK, 0 rows affected (0.04 sec)

Admin> INSERT INTO mysql_users(username,password,default_hostgroup) VALUES ('root','root',1);
Query OK, 1 row affected (0.00 sec)

Admin> LOAD MYSQL USERS TO RUNTIME;
Query OK, 0 rows affected (0.00 sec)Admin> save mysql users to disk;
Query OK, 0 rows affected (0.01 sec)

# mysql -uroot -proot -h 127.0.0.1 -P6033 -e "SELECT @@port"
mysql: [Warning] Using a password on the command line interface can be insecure.
+--------+
| @@port |
+--------+
|   3306 |
+--------+
[root@MiWiFi-R3P-srv proxysql]#