提交

6 years ago · ffde00f04d
parent eb079a4a37
commit ffde00f04d
1 changed files with 0 additions and 2 deletions
--- a/chapter3/3.2对飞机的点击次数实时统计.md
+++ b/chapter3/3.2对飞机的点击次数实时统计.md
@ -22,7 +22,6 @@ https://archive.apache.org/dist/zookeeper/

 使用以下命令提取tar文件
 ```
-$ cd opt/
 $ tar -zxf zookeeper-3.4.6.tar.gz
 $ cd zookeeper-3.4.6
 $ mkdir data
@ -82,7 +81,6 @@ https://www.apache.org/dyn/closer.cgi?path=/kafka/0.9.0.0/kafka_2.11-0.9.0.0.tgz

 使用以下命令提取tar文件
 ```
-$ cd opt/
 $ tar -zxf kafka_2.11.0.9.0.0 tar.gz
 $ cd kafka_2.11.0.9.0.0
 ```