Jenv: Java Environment Manager

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jenv is Java environment manager, and it is a clone of RVM for Java. jenv can manage parallel versions of Java development kits on any Unix based system. It provides a convenient command line interface for installing, switching, removing and listing Candidates.

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jenv: Java environment manager
----linux_china

About Me
Java Engineer with 14 years
Preacher of IntelliJ IDEA
Weibo: @linux_china
Github: https:/
/github.com/linux-china/

Book Shelf, Snippet, OSS Shell
IntelliJ IDEA iBATIS plugin
WebSQL Plus, Webx plugin
Humanstxt, faxianla.com

Agenda
Why environment manger
jenv introduction
jenv commands
jenv repository
FAQ

Why Version Manager
yum and apt-get: version???
rvm: Ruby Version Manager
virtualenv: Python Version Manager
Other: php, node.js
Java: 404

jenv Introduction
Java & Toolkit Version Manager
Structure Standard
Repository Based
Git & Subversion Support
Upgrade???

jenv basic
Install: curl -s get.jenv.mvnsearch.org | bash
List: jenv ls maven
Install: jenv install maven
Switch: jenv use maven 3.1.1
cd XXX_HOME: jenv cd maven 3.1.1

jenv commands
Default version: jenv default maven 3.0.5
current candidate: jenv which java
Candidate Update: jenv update xxx version
Self update: jenv selfupdate
Repo update: jenv repo update
Uninstall: jenv uninstall ant 1.8.4

jenvrc
a ﬁle named “jenvrc” in the directory
properties format as following:
java=1.7.0_45
maven=3.1.1

Change java env after “cd”

Repeatable Development
Environments with jenv
clone jenv to remote host
$ jenv clone user@dest-host

clone candidate to remote host
$ jenv clone candidate version user@dest-host

clone candidate from remote host
$ jenv clone user@dest-host candidate version

jenv repository
Manager Candidates & Versions
Public or Private
Package format: zip, git or subversion
Central: http:/
/jenv.io

jenv with IntelliJ IDEA

JDK setup: auto
SDK(Maven, Gradle) setup: auto
jenvrc support

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Jenv: Java Environment Manager

1. jenv: Java environment manager ----linux_china

2. About Me Java Engineer with 14 years Preacher of IntelliJ IDEA Weibo: @linux_china Github: https:/ /github.com/linux-china/ Book Shelf, Snippet, OSS Shell IntelliJ IDEA iBATIS plugin WebSQL Plus, Webx plugin Humanstxt, faxianla.com

3. Agenda Why environment manger jenv introduction jenv commands jenv repository FAQ

4. Why Version Manager yum and apt-get: version??? rvm: Ruby Version Manager virtualenv: Python Version Manager Other: php, node.js Java: 404

5. jenv Introduction Java & Toolkit Version Manager Structure Standard Repository Based Git & Subversion Support Upgrade???

6. jenv basic Install: curl -s get.jenv.mvnsearch.org | bash List: jenv ls maven Install: jenv install maven Switch: jenv use maven 3.1.1 cd XXX_HOME: jenv cd maven 3.1.1

7. jenv commands Default version: jenv default maven 3.0.5 current candidate: jenv which java Candidate Update: jenv update xxx version Self update: jenv selfupdate Repo update: jenv repo update Uninstall: jenv uninstall ant 1.8.4

8. jenvrc a ﬁle named “jenvrc” in the directory properties format as following: java=1.7.0_45 maven=3.1.1 Change java env after “cd”

9. Repeatable Development Environments with jenv clone jenv to remote host $ jenv clone user@dest-host clone candidate to remote host $ jenv clone candidate version user@dest-host clone candidate from remote host $ jenv clone user@dest-host candidate version

10. jenv repository Manager Candidates & Versions Public or Private Package format: zip, git or subversion Central: http:/ /jenv.io

11. jenv with IntelliJ IDEA JDK setup: auto SDK(Maven, Gradle) setup: auto jenvrc support

12. FAQ

Jenv: Java Environment Manager

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Jenv: Java Environment Manager