Ubuntu updating java
I have Java so I dont need to install - just update the current version.
Can someone please tell me the command I have to use to get Version 7 Update 65?
It’s now much more clear exactly what steps you’re supposed to take at every point, and it looks a bit more like a modern piece of software.
[email protected]:~$ cd ~ # Update the source list [email protected]:~$ sudo apt-get update # The Open JDK project is the default version of Java # that is provided from a supported Ubuntu repository.
We strongly recommend using the following guide for working with Java on Ubuntu: How To Install Java with Apt-Get on Ubuntu 16.04.
This will install the Java Runtime Environment (JRE).
This article covers a version of Ubuntu that is no longer supported.
This will provide a little bit different solution because it will download the Oracle JRE tarball to a previously configured directory and generate a DEB package from [email protected]:~$ sudo apt-get install default-jdk [email protected]:~$ java -version java version "1.7.0_65" Open JDK Runtime Environment (Iced Tea 2.5.3) (7u71-2.5.3-0ubuntu0.14.04.1) Open JDK 64-Bit Server VM (build 24.65-b04, mixed mode) [email protected]:~$ sudo addgroup hadoop Adding group `hadoop' (GID 1002) ... [email protected]:~$ sudo adduser --ingroup hadoop hduser Adding user `hduser' ... Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully Changing the user information for hduser Enter the new value, or press ENTER for the default Full Name : Room Number : Work Phone : Home Phone : Other : Is the information correct?Adding new user `hduser' (1001) with group `hadoop' ... [Y/n] Y Hadoop requires SSH access to manage its nodes, i.e. For our single-node setup of Hadoop, we therefore need to configure SSH access to localhost.I currently have java 7.x, and I would like to update it to the newest version possible (8.0 at least) without it being too complicated. without it being too complicated ...", I assumed that you installed Java 7 from the Ubuntu repositories, which contain Open JDK and did not add the Web Upd8 PPA (ORACLE Java).Note 2 : As you said that you get the As you did not specify whether you want to install Open JDK or Oracle JDK, my answer covers Oracle JDK. What follows applies to JDK8 too and for all Ubuntu versions of yours or higher.