# 17.3 服务器端和客户端命令

## 服务器端

服务器端的命令为redis-server 可以使⽤help查看帮助⽂档

```
redis-server --help
```

推荐使⽤服务的⽅式管理redis服务 启动

```
sudo service redis start
```

停⽌

```
sudo service redis stop
```

重启

```
sudo service redis restart
```

个人习惯

```
ps -aux|grep redis //查看redis服务器进程
sudo kill -9 pid //杀死redis服务器
sudo redis-server /etc/redis/redis.conf //指定加载的配置文件
```

## 客户端

客户端的命令为redis-cli 可以使⽤help查看帮助⽂档

```
redis-cli --help
```

连接redis

```
redis-cli
```

运⾏测试命令

```
ping //返回PONG
```

切换数据库 数据库没有名称，默认有16个，通过0-15来标识，连接redis默认选择第一个数据库

```
select n
```


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