【Amazon EC2】JAVAのインストール方法 (Linux編)

今回はAmazon EC2のLinuxOSインスタンスへのJAVAのインストール方法です。
Amazon EC2上でEC2のコマンドを実行する為に必要になります。

以下の手順で行ないます。

1. JAVAを自分のPCにダウンロード。今回が「JDK 6 Update 16」を。
   

• (1) ダウンロードページに移動し「JDK 6 Update 16」の[DownLoad]を選択します。
  
  
  

• (2) PlatformにLinuxを選択しライセンスに同意し「Continue」を選択。
  
  
  

• (3) 自己解凍RPMファイルであるjdk-XXXX-linux-XXXX-rmp.binを選択。
  
  
  

2. インスタンスにログイン。
   (手順は『【Amazon EC2】SSH経由でTelnet』を参照してください。)
   

3. JAVAをインストールするディレクトリをインスタンスへ作成します。
   今回は/usr/javaというディレクトリを用意します。以下のコマンドを実行して下さい。
   
   

   # mkdir /usr/java
   

4. 次にダウンロードした自己解凍RPMファイルを先ほどインスタンスに用意した/usr/javaへ転送します。（転送手順は『 【Amazon EC2】SSH経由でのファイル転送方法』を参照してください。）
   

5. 次にJAVAをインストールします。/usr/javaで以下のコマンドを実行してください。
   (今回はjdk-6u16-linux-i586-rpm.binをダウンロードしたので、その例です。)
   
   

   # cd /usr/java
   # chmod a+x jdk-6u16-linux-i586-rpm.bin・・★自己解凍RPMファイルに実行する権限を与えます
   # ./jdk-6u16-linux-i586-rpm.bin　・・・・・★インストール実行
   

   
   
   インストールが始まると、
   

• (1) たくさん表示されますがEnterを押し続け
  
• (2)「Do you agree to the above license terms?」のライセンス同意の質問に同意後「yes」を入力
  
• (3)「Press Enter to continue.」と表示されたらEnterを押下してください。
  (実行状況)
  
  
  

  Sun Microsystems, Inc. Binary Code License Agreement
  for the JAVA SE DEVELOPMENT KIT (JDK), VERSION 6
  SUN MICROSYSTEMS, INC. ("SUN") IS WILLING TO LICENSE THE
  SOFTWARE IDENTIFIED BELOW TO YOU ONLY UPON THE CONDITION
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  Please enter "yes" or "no".
  Do you agree to the above license terms? [yes or no]
  yes・・・・・・・・・・・・★ライセンス同意後yes入力
  Unpacking...
  Checksumming...
  Extracting...
  UnZipSFX 5.50 of 17 February 2002, by Info-ZIP (Zip-Bugs@lists.wku.edu).
    inflating: jdk-6u16-linux-i586.rpm  
    inflating: sun-javadb-common-10.4.2-1.1.i386.rpm  
    inflating: sun-javadb-core-10.4.2-1.1.i386.rpm  
    inflating: sun-javadb-client-10.4.2-1.1.i386.rpm  
    inflating: sun-javadb-demo-10.4.2-1.1.i386.rpm  
    inflating: sun-javadb-docs-10.4.2-1.1.i386.rpm  
    inflating: sun-javadb-javadoc-10.4.2-1.1.i386.rpm  
  Preparing...                ########################################### [100%]
     1:jdk                    ########################################### [100%]
  Unpacking JAR files...
      rt.jar...
      jsse.jar...
      charsets.jar...
      tools.jar...
      localedata.jar...
      plugin.jar...
      javaws.jar...
      deploy.jar...
  Installing JavaDB
  Preparing...                ########################################### [100%]
     1:sun-javadb-common      ########################################### [ 17%]
     2:sun-javadb-core        ########################################### [ 33%]
     3:sun-javadb-client      ########################################### [ 50%]
     4:sun-javadb-demo        ########################################### [ 67%]
     5:sun-javadb-docs        ########################################### [ 83%]
     6:sun-javadb-javadoc     ########################################### [100%]
  
  Java(TM) SE Development Kit 6 successfully installed.
  
  Product Registration is FREE and includes many benefits:
  * Notification of new versions, patches, and updates
  * Special offers on Sun products, services and training
  * Access to early releases and documentation
  
  Product and system data will be collected. If your configuration
  supports a browser, the Sun Product Registration form for 
  the JDK will be presented. If you do not register, none of
  this information will be saved. You may also register your
  JDK later by opening the register.html file (located in 
  the JDK installation directory) in a browser.
  
  For more information on what data Registration collects and 
  how it is managed and used, see:
  http://java.sun.com/javase/registration/JDKRegistrationPrivacy.html
  
  Press Enter to continue.....・・・・・★Enter押下
  
  
  Done.
  

  
  

6. JAVAがインストールされたかlsコマンドで確認します。
   
   

   # ls
   default
   latest sun-javadb-demo-10.4.2-1.1.i386.rpm
   jdk-6u16-linux-i586-rpm.bin  sun-javadb-client-10.4.2-1.1.i386.rpm  sun-javadb-docs-10.4.2-1.1.i386.rpm
   jdk-6u16-linux-i586.rpm      sun-javadb-common-10.4.2-1.1.i386.rpm  sun-javadb-javadoc-10.4.2-1.1.i386.rpm
   jdk1.6.0_16                  sun-javadb-core-10.4.2-1.1.i386.rpm
   

7. インストールされたので自己解凍RPMファイルを削除します。
   
   

   # rm jdk-6u16-linux-i586-rpm.bin
   rm: remove regular file `jdk-6u16-linux-i586-rpm.bin'? y
   

8. 解凍展開されたrmpファイルも不要なので削除します。
   
   

   # rm *.rpm
   rm: remove regular file `jdk-6u16-linux-i586.rpm'? y
   rm: remove regular file `sun-javadb-client-10.4.2-1.1.i386.rpm'? y
   rm: remove regular file `sun-javadb-common-10.4.2-1.1.i386.rpm'? y
   rm: remove regular file `sun-javadb-core-10.4.2-1.1.i386.rpm'? y
   rm: remove regular file `sun-javadb-demo-10.4.2-1.1.i386.rpm'? y
   rm: remove regular file `sun-javadb-docs-10.4.2-1.1.i386.rpm'? y
   rm: remove regular file `sun-javadb-javadoc-10.4.2-1.1.i386.rpm'? y
   

9. 次にJAVAがどのディレクトリからも実行できるようにするための環境変数を設定します。
   シェルにより異なりますが、viエディタなどを使ってbashの場合、.bash_profileを編集します。
   
   (変更前)
   
   

   PATH=$PATH:$HOME/bin
   
   export PATH
   unset USERNAME
   

   
   (変更後)
   
   

   export JAVA_HOME=/usr/java/jdk1.6.0_16・・・★JAVA_HONEの設定
   PATH=$PATH:$HOME/bin:$JAVA_HOME/bin・・・・★JAVAへのPATH追加
   
   export PATH
   unset USERNAME
   

10. 次にJAVAが実行できるか確認します。
    以下のコマンドを実行して下さい。
    
    

    # . .bash_profile ・・・★編集したbash_profileを有効化。(*1)
    # java -version ・・・・★JAVAのバージョンを確認。
    

    (*1 :再度、ログインしなおした場合、本操作は不要です。)
    
    バージョンが下記のように表示されればOKです。
    
    

    java version "1.6.0_16"
    Java(TM) SE Runtime Environment (build 1.6.0_16-b01)
    Java HotSpot(TM) Client VM (build 14.2-b01, mixed mode, sharing)
    

    以上でJAVAのセットアップは終了です。
    

今回はEC2上のインスタンスへJAVAをインストーラしましたが、
ローカルLinuxマシンへのインストール手順も同じです。