文章目錄
-
- 1.上傳安裝包
- 2. 進入到Hadoop安裝包路徑下
- 3. 解壓安裝檔案到/opt/module下面
- 4. 檢視是否解壓成功
- 5. 将Hadoop添加到環境變量
- 6. 測試是否安裝成功,
- 7. 重新開機(如果Hadoop指令不能用再重新開機)
1.上傳安裝包
2. 進入到Hadoop安裝包路徑下
cd /opt/software/
3. 解壓安裝檔案到/opt/module下面
tar -zxvf hadoop-2.7.2.tar.gz -C /opt/module/
4. 檢視是否解壓成功
[[email protected] software]# ls /opt/module/hadoop-2.7.2
bin etc include lib libexec LICENSE.txt NOTICE.txt
5. 将Hadoop添加到環境變量
(1)擷取Hadoop安裝路徑
pwd
/opt/module/hadoop-2.7.2
(2)打開/etc/profile檔案
vi /etc/profile
在profile檔案末尾添加JDK路徑:(shitf+g)
##HADOOP_HOME
export HADOOP_HOME=/opt/module/hadoop-2.7.2
export PATH=$PATH:$HADOOP_HOME/bin
export PATH=$PATH:$HADOOP_HOME/sbin
(3)儲存後退出
:wq
(4)讓修改後的檔案生效
source /etc/profile
6. 測試是否安裝成功,
hadoop version 不是-version
[[email protected] software]# hadoop version
Hadoop 2.7.2
Subversion Unknown -r Unknown
Compiled by root on 2017-05-22T10:49Z
Compiled with protoc 2.5.0
From source with checksum d0fda26633fa762bff87ec759ebe689c
This command was run using /opt/module/hadoop-2.7.2/share/hadoop/common/hadoop-common-2.7.2.jar
7. 重新開機(如果Hadoop指令不能用再重新開機)
sync
sudo reboot