CentOS6.5 install jdk
download jdk1.7
Create a new folder /usr/local/java/jdk
mkdir -p /usr/local/java/jdk
Use the command to download jdk1.7
cd /usr/local/java/jdk
wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/7u71-b14/jdk-7u71-linux-x64.tar.gz
-- jdk 1.8 download address is:
wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u111-b14/jdk-8u111-linux-x64.tar.gz
Extract to current folder
tar -zxvf jdk...(jdk file name)
Configure environment variables
vim /etc/profile // Press the letter i to enter the editing state, press Esc after editing, enter: wq to save.
// add at the bottom
JAVA_HOME=/usr/local/java/jdk/jdk1.7...(jdk文件夹名称)
PATH=$JAVA_HOME/bin:$PATH CLASSPATH=$JAVA_HOME/jre/lib/ext:$JAVA_HOME/lib/tools.jar
export PATH JAVA_HOME CLASSPATH
After the configuration is complete, restart the global variable and execute the following command:
source /etc/profile
Verify that the configuration is successful?
java -version
If you see the jdk version information, the configuration is successful.