標籤:curl 建立 服務 class 設定 host UI root version
一.安裝jdk
1.在/usr/目錄下建立java目錄
[[email protected] ~]# mkdir /usr/java
[[email protected] ~]# cd /usr/java
2.下載jdk,然後解壓
[[email protected] java]# curl -O http://download.Oracle.com/otn-pub/java/jdk/7u79-b15/jdk-7u79-linux-x64.tar.gz
[[email protected] java]# tar -zxvf jdk-7u79-linux-x64.tar.gz
3.設定環境變數
[[email protected] java]# vi /etc/profile
在profile中添加如下內容:
#set java environment
JAVA_HOME=/usr/java/jdk1.7.0_79
JRE_HOME=/usr/java/jdk1.7.0_79/jre
CLASS_PATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
export JAVA_HOME JRE_HOME CLASS_PATH PATH
讓修改生效:
[[email protected] java]# source /etc/profile
4.驗證JDK有效性
[[email protected] java]# java -version
java version "1.7.0_79"
Java(TM) SE Runtime Environment (build 1.7.0_79-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)
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