java jdk down linux - getconf LONG_BIT => 64bit gunzip jdk-8u151-linux-x64.tar.gz tar -xvf jdk-8u151-linux-x64.tar mv jdk1.8.0_151 /usr/local/jdk1.8.0_151 cd /usr/local/ ln -s jdk1.8.0_151/ java vi