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LinuxでJava設定

○環境
　CentOS 5.1


■Javaの設定
１．Java JDKをダウンロード
今回は古いバージョンのJDKをインストールしたかったため、
OracleのJavaダウンロードアーカイブサイトより取得

２．ダウンロードしたファイルをサーバーにアップロードする。
WinSCPを使ってアップロード

３．インストーラーを実行
sh jdk-6u20-linux-i586.bin

４．JDKフォルダを移動
mv jdk1.6.0_20 /usr/local/

５．環境設定を変更
Javaを実行するユーザの.bash_profileを変更する。

vi /home/linux/.bash_profile
--------------------------------------------
export JAVA_HOME=/usr/local/jdk1.6.0_20
export PATH=$JAVA_HOME/bin:$PATH
--------------------------------------------

６．環境変数の変更を反映
source /home/linux/.bash_profile

７．Javaコマンドが使えるか確認
java -version


○参考サイト
http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase6-419409.html#jre-6u20-oth-JPR
http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
http://d.hatena.ne.jp/Kshi/20100226/1267183707


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