Centos7安裝Oracle JDK

標籤：

• 查看Linux是否內建的JDK，如有openJDK，則卸載

1 java -version 

 1 rpm -qa | grep -E ‘^open[jre|jdk]|j[re|dk]‘ 

• 卸載openjdk

 

1 su root2 3 yum -y remove java java-1.7.0-openjdk

 

•  下載oracle jdk

 

1 wget --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie;" "http://download.oracle.com/otn-pub/java/jdk/8u77-b03/jdk-8u77-linux-x64.tar.gz"

• 解壓jdk

1 tar -xzvf jdk-8u77-linux-x64.tar.gz

 

• 移動jdk到/usr/local，建立軟串連

 

1 mv jdk1.8.0_77/ /usr/local2 3 ln -s /usr/local/jdk1.8.0_77/ /usr/local/jdk

 

 

 

• 編輯/etc/profile

1 vim /etc/profile

• 加入jdk的配置

1 JAVA_HOME=/usr/local/jdk2 PATH=${PATH}:${JAVA_HOME}/bin3 export JAVA_HOME PATH

• source

1 source /etc/profile

• 查看是否安裝jdk成功

1 java -version

 

Centos7安裝Oracle JDK