阿里云ubuntu64位安装JDK备忘

下载下来的tar.gz上传到服务器目录
sudo scp -vrp ~/Downloads/20140318_UTF8/* root@42.96.136.209:/var/www/163trade/


tar -xf jdk-8u20-linux-x64.tar.gz
mkdir /usr/lib/jvm
mv jdk1.8.0_20 /usr/lib/jvm/

vim /etc/profile

export JAVA_HOME=/usr/lib/jvm/jdk1.8.0_20

export JRE_HOME=/usr/lib/jvm/jdk1.8.0_20/jre

export CLASSPATH=.:$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH

export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$JAVA_HOME:$PATH

验证java -version

ssh连接保持时间：$ ssh -o ServerAliveInterval=60 user@sshserver
ok!