ssh

SSH Remote Login Without Password in Linux

By default, if you want to do remote console with SSH, server (A) will prompt you the password of user (a) in the server. Sometime you need to call ssh not in interactive mode, for example in shell script, then you may need to make the script secure without storing any password there. Basically Linux provide such way to remote …

Oracle Java

Make Your Oracle JDK 7 as Default JVM in Ubuntu

In some Linux distros, the vendor included OpenJDK as the default JVM, but sometime this not what you’re looking for. If you want to use Sun JDK instead, you can follow below instructions:

  1. Purge existing OpenJDK from your Ubuntu:
  2. Add a new repository and install Sun JDK: