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fix some bugs in installation

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Bruce-Jay 7 달 전
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d7b36eb6d6
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      Assignment5.md

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@ -85,9 +85,12 @@ ClickHouse也内置了许多机器学习算法,例如基于梯度下降的线
### 二)登录数据仓库。Clickhouse数据仓库的登录有很多方式,比如用clickhouse客户端登录,用JDBC(在Java中使用)或者ODBC(在C/C++中使用)访问,用clickhouse-driver(在Python中使用)访问。本实验我们完成clickhouse客户端和clickhouse-driver两种方式。其余方式同学们以后可以自行尝试。
#### 1)使用Clickhouse客户端登录。创建一个最低配置的Centos云主机,选择按流量计费,20M带宽,云主机按小时付费。登录云主机以后运行以下命令,下载Clickhouse安装包。
因为网络原因,我们使用阿里云的镜像安装
```
wget https://packages.clickhouse.com/rpm/lts/clickhouse-client-22.3.6.5.noarch.rpm
wget https://packages.clickhouse.com/rpm/lts/clickhouse-common-static-22.3.6.5.x86_64.rpm
wget https://mirrors.aliyun.com/clickhouse/rpm/lts/clickhouse-client-22.3.6.5.noarch.rpm
wget https://mirrors.aliyun.com/clickhouse/rpm/lts/clickhouse-common-static-22.3.6.5.x86_64.rpm
```
##### 安装
```
@ -101,6 +104,7 @@ clickhouse-client --host=<下图任一节点IP地址> --port=9000 --user=admin -
<kbd>
<img src="img/assignment5/adress.jpg">
</kbd>
> 登录后将看到如下界面
<kbd>
<img src="img/assignment5/login.jpg">
@ -161,11 +165,13 @@ SELECT * FROM ck_test.regression;
sudo yum install python3
sudo yum install python3-pip
```
安装clickhouse-driver
安装clickhouse-driver,这里我们需要用阿里云镜像安装
```
pip3 install clickhouse-driver
pip3 install --user -i https://mirrors.aliyun.com/pypi/simple clickhouse-driver
```
可能会报未找到 gcc 命令的错误,运行 `sudo yum install -y gcc` 就好~
##### 2.1)安装完毕后运行python3,然后import clickhouse_driver,若没有报错,则说明clickhouse_driver安装成功。
<kbd>
<img src="img/assignment5/run_python.jpg">

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