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CentOS7 Hadoop 2.7.X 瀹夎閮ㄧ講 PDF 涓嬭澆
鏈珯鏁寸悊涓嬭澆錛?/strong>
閾炬帴錛?a target="_blank">https://pan.baidu.com/s/1wlrvbatODS6zUw_igMnyNQ
鎻愬彇鐮侊細(xì)1234
鐩稿叧鎴浘錛?br />
 涓昏鍐呭錛?/strong>
Hadoop 2.7.X 鍗曟満浼垎甯冨紡瀹夎
1.鍑嗗杞歡鍖?鎴戣繖閲屾槸2.7.7錛屽叾浣?.7.X涔熼兘宸笉澶?
JDK錛?jdk-8u40-linux-x64.gz
Hadoop錛歨adoop-2.7.7.tar.gz
2.鍒涘緩鐢ㄦ埛Hadoop騫朵笂浼犺蔣浠跺寘
1錛夋柊寤虹敤鎴?/strong>
groupadd hadoop
useradd -g hadoop -d /home/hadoop -s /bin/bash -m hadoop
echo hadoop:hadoop|chpasswd
2錛夋柊寤烘棤瀵嗙爜鐧婚檰
mkdir -p .ssh
ssh-keygen -t dsa -f ~/.ssh/id_dsa -P ""
cd .ssh/
cat id_dsa.pub > authorized_keys
璁劇疆a(chǎn)uthorized_keys鏉冮檺
$ chmod 600 authorized_keys
璁劇疆.ssh鐩綍鏉冮檺
$ chmod 700 -R .ssh
3錛変笂浼犺蔣浠跺寘錛岃繖涓渷鐣?/strong>
XXX
3.瀹夎JDK
1)鍗歌澆緋葷粺鑷甫鐨刼pen-jdk
[root@hadoop ~]# rpm -qa | grep java
java-1.7.0-openjdk-headless-1.7.0.191-2.6.15.5.el7.x86_64
tzdata-java-2018e-3.el7.noarch
python-javapackages-3.4.1-11.el7.noarch
java-1.8.0-openjdk-headless-1.8.0.181-7.b13.el7.x86_64
java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64
javassist-3.16.1-10.el7.noarch
javamail-1.4.6-8.el7.noarch
java-1.7.0-openjdk-1.7.0.191-2.6.15.5.el7.x86_64
javapackages-tools-3.4.1-11.el7.noarch
[root@hadoop ~]# rpm -e --nodeps java-1.7.0-openjdk-headless java-1.8.0-openjdk-headless java-1.8.0-openjdk java-1.7.0-openjdk
[root@hadoop ~]# rpm -qa | grep java
tzdata-java-2018e-3.el7.noarch
python-javapackages-3.4.1-11.el7.noarch
javassist-3.16.1-10.el7.noarch
javamail-1.4.6-8.el7.noarch
javapackages-tools-3.4.1-11.el7.noarch
[root@hadoop ~]#
2)瀹夎JDK騫墮厤緗幆澧冨彉閲?/strong>
tar -zxvf jdk-8u40-linux-x64.gz -C /home/hadoop
#set java environment
export JAVA_HOME=/home/hadoop/jdk1.8.0_40
export JRE_HOME=/home/hadoop/jdk1.8.0_40/jre
export CLASSPATH=.:$JRE_HOME/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
4.瀹夎Hadoop
1錛夎В鍘嬶細(xì)tar -zxvf hadoop-2.7.7.tar.gz
2錛夐渶瑕侀厤緗枃浠?/strong>
鍒涘緩鐩綍錛?/strong>
TMP DIR:
[hadoop@hadoop ~]$ mkdir -p /home/hadoop/hadoop/tmp
NameNode DIR:
[hadoop@hadoop ~]$ mkdir -p /home/hadoop/hadoop/hdfs/name
DataNode DIR:
[hadoop@hadoop ~]$ mkdir -p /home/hadoop/hadoop/hdfs/data
vi core-site.xml
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://hadoop:9000</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>file:/home/hadoop/hadoop/tmp</value>
</property>
</configuration>
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鑻忓叕緗戝畨澶?32061202001004鍙?/p>
