Changes between Version 16 and Version 17 of jazz/08-11-04

Timestamp:

Nov 4, 2008, 4:43:06 PM (16 years ago)

Author:

waue

Comment:

--

jazz/08-11-04

@@ -12 +12 @@
 $ tar zxvf hadoop-0.18.2.tar.gz
 }}}
+   *  Hadoop 會用 SSH 進行內部連線，因此需要做 SSH Key exchange
+{{{
+~$ ssh-keygen
+~$ cp .ssh/id_rsa.pub .ssh/authorized_keys
+}}}
    * [注意] 需要 JAVA_HOME 環境變數才能執行 hadoop namenode
 {{{
 $ echo "export JAVA_HOME=/usr/lib/jvm/java-6-sun/jre" >> ~/.bash_profile
 $ cd hadoop-0.18.2
-~/hadoop-0.18.2$ bin/hadoop namenode -format
 }}}
    * [注意] 還需要編輯 conf/hadoop-evn.sh (HADOOP_HOME要設定到你的hadoop安裝目錄)
@@ -48 +52 @@
 
 }}}
+   * 啟動hadoop 的兩道指令
+{{{
+~/hadoop-0.18.2$ bin/hadoop namenode -format
+~/hadoop-0.18.2$ bin/start-all.sh
+}}}
 
-   * 執行 bin/start-all.sh
-{{{
-~/hadoop-0.18.2$ bin/start-all.sh
-starting namenode, logging to /home/jazz/hadoop-0.18.2/bin/../logs/hadoop-jazz-namenode-hadoop.out
-The authenticity of host 'localhost (127.0.0.1)' can't be established.
-RSA key fingerprint is 70:3f:8b:f2:b9:a8:de:ea:90:f4:bf:ce:cb:85:7a:eb.
-Are you sure you want to continue connecting (yes/no)? yes
-localhost: Warning: Permanently added 'localhost' (RSA) to the list of known hosts.
-}}}
-   * 從這邊的訊息可以知道 Hadoop 會用 SSH 進行內部連線，因此需要做 SSH Key exchange
-{{{
-~$ ssh-keygen
-~$ cp .ssh/id_rsa.pub .ssh/authorized_keys
-}}}
 
  * 完成後可以看到以下三個網頁
@@ -71 +66 @@
  * 可以放的東西上去看看
 {{{
-~$ bin/hadoop dfs -put conf conf
-~$ bin/hadoop dfs -ls
+~/hadoop-0.18.2$ bin/hadoop dfs -put conf conf
+~/hadoop-0.18.2$ bin/hadoop dfs -ls
 Found 1 items
 drwxr-xr-x   - jazz supergroup          0 2008-11-04 15:56 /user/jazz/conf