hadoop安裝筆記
阿新 • • 發佈:2017-10-23
yar keys alt ssh密鑰 ssh bsp pla oop ubunt
環境是ubuntu
java啥的有yum
apt-get install default-jdk
update-alternatives --display Java
hadoop解壓縮就行
tar -zxvf xxxx.tar.gz
hadoop需要ssh密鑰
ssh-keygen -t dsa -P ‘‘ -f ~/.ssh/id_dsa
cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
java環境變量可以省下了,但是hadoop用到的地方還是要自己設置
sudo nano ~/.bashrc
需要設置的是JAVA_HOME,HADOOP_HOME,PATH,HADOOP_MAPRED_HOME,HADOOP_COMMON_HOME,HADOOP_HDFS_HOME,YARN_HOME,
HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native,
HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib",
JAVA_LIBRARY_PATH=$HADOOP_COMMON_LIB_NATIVE_DIR:$JAVA_LIBRARY_PATH 引入hadoop的包。
source ~/.bashrc
安裝完成
hadoop安裝筆記