1. Upload source package
First, the official website to download the installation package: jdk-8u172-linux-i586.tar.gz, upload it to the / opt directory for Linux
2.JDK1.8 installation
1) Using tar -xf jdk-8u172-linux-i586.tar.gz, extract the source packet
2) Set jdk environment variables, global setting method used here, is to modify vi etc / profile, it is common to all the user environment variables, as follows:
JAVA_HOME=/opt/jdk1.8.0_172 JRE_HOME=/opt/jdk1.8.0_172/jre CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib/tools.jar PATH=$JAVA_HOME/bin:$PATH export PATH JAVA_HOME CLASSPATH
3). The environment variables to take effect, the implementation of source / etc / profile
3. Verify the installation
Enter java, have returned results represent successful installation, if it returns an error: -bash: /opt/jdk1.8.0_172/bin/java: /lib/ld-linux.so.2: bad ELF interpreter: No such file or directory
Because the 64-bit
system
in the installation program 32, the solution: yum install glibc.i686
Re-enter java, javac, java -version returns results were normal