While updating with command $sudo apt-get update I got warning, W: GPG error: http://archive.canonical.com jaunty Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY ************* This means you have lost the signing key, or never got it. To fix it, use command: $sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys 3CB9FD148F374FEF Where 3CB9FD148F374FEF … More W: GPG error: http://linuxcnc.org lucid Release: The following signatures couldn’t be verified because the public key is not available.
When I tried to install Oracle Java with command $sudo apt-get install oracle-java7-installer I got error … .. Download done. sha256sum mismatch jdk-7u3-linux-x64.tar.gz Oracle JDK 7 is NOT installed. dpkg: error processing oracle-java7-installer (–configure): subprocess installed post-installation script returned error exit status 1 Setting up python-central (0.6.17ubuntu1) … Setting up python-eggtrayicon (2.25.3-11) … Setting up … More “sha256sum mismatch jdk-7u3-linux-x64.tar.gz ” error when trying to install Oracle Java
Whenever you need to install java, do prefer the Oracle JDk rather than the OpenJDK, because Oracle JDK has more advance features support. $sudo add-apt-repository ppa:webupd8team/java $sudo apt-get update $sudo apt-get install oracle-java7-installer Check version of Java: $java -version java version “1.7.0_80” Java(TM) SE Runtime Environment (build 1.7.0_80-b15) Java HotSpot(TM) Server VM (build 24.80-b11, mixed … More Installation Oracle JDK-7 on Linux
Today I got a big relief as I was getting problem with Reliance Dongle from long ago. Problem was, I was unable to check my Data usage. There is no service provide by Reliance vendors for Linux users to check the Data Information. Reliance Customer Care also seems helpless as they used to told me … More Reliance Dongle on Ubuntu