Eclipse IDE Tutorial. Copyright © 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 vogella GmbH Eclipse Java IDE This tutorial describes the usage of Eclipse as a Java IDE. It describes the installation of Eclipse, the creation of Java programs and tips for using Eclipse. This tutorial is based on Eclipse 4.4 (Luna). 1.1. Eclipse is an open source community. Eclipse projects cover lots of different areas, e.g., as a development environment for Java or Android applications. 1.2. The roots of Eclipse go back to 2001. In 2004 it became the Eclipse Foundation, which is a vendor neutral foundation where no single company has control of the direction. The Eclipse name at this time was viewed by many as declaration of war against Sun Microsystems, the company responsible for developing the Java programming language.
With the purchase of Sun Microsystems by Oracle this conflict finally went away. The Eclipse open source project has a simultaneous release every year. 2. 2.2. 3. 3.1. 3.2. 4. 4.1. 4.2. 5. 6. 7. 7.1. Core Java - Modifiers. Chenab Valley Power Projects - A joint venture company between NHPC,jammu & Kashmir State Power Development Corporation and Power Trading Corporation.
50 Most Frequently Used UNIX / Linux Commands (With Examples) This article provides practical examples for 50 most frequently used commands in Linux / UNIX. This is not a comprehensive list by any means, but this should give you a jumpstart on some of the common Linux commands. Bookmark this article for your future reference. Did I miss any frequently used Linux commands?
Leave a comment and let me know. 1. tar command examples Create a new tar archive. $ tar cvf archive_name.tar dirname/ Extract from an existing tar archive. $ tar xvf archive_name.tar View an existing tar archive. $ tar tvf archive_name.tar More tar examples: The Ultimate Tar Command Tutorial with 10 Practical Examples 2. grep command examples Search for a given string in a file (case in-sensitive search). $ grep -i "the" demo_file Print the matched line, along with the 3 lines after it. $ grep -A 3 -i "example" demo_text Search for a given string in all files recursively $ grep -r "ramesh" * More grep examples: Get a Grip on the Grep! 3. find command examples # find -iname "MyCProgram.c" $ awk '! Installing Jenkins on Ubuntu. On Debian-based distributions, such as Ubuntu, you can install Jenkins through apt-get. Recent versions are available in an apt repository. Older but stable LTS versions are in this apt repository.
You need to have a JDK and JRE installed. openjdk-7-jre and openjdk-7-jdk are suggested. As of 2011-08 gcj is known to be problematic - see Please make sure to back up any current Hudson or Jenkins files you may have. wget -q -O - | sudo apt-key add - sudo sh -c 'echo deb binary/ > /etc/apt/sources.list.d/jenkins.list' sudo apt-get update sudo apt-get install jenkins Once installed like this, you can update to the later version of Jenkins (when it comes out) by running the following commands: sudo apt-get update sudo apt-get install jenkins (aptitude or apt-get doesn't make any difference.) Jenkins will be launched as a daemon up on start. By sudo a2dissite default.