[clue] env variables

[David L. Willson]

Going all the way back, it seems that what you need to do in your current shell to get the variables is source the profile configuration script that your Java installer created. 

maybe something like: 
# ./DEV_install_jdk1.7-1.0.0.sh 
# source /etc/profile.d/00_jdk.sh 

Of course, you can say ". /etc/profile.d/00_jdk.sh " if you want to save characters. 

-- 
David L. Willson 
Trainer, Engineer, Enthusiast 
RHCE Network+ A+ Linux+ LPIC-1 Ubuntu 
Mobile 720-333-LANS(5267) 

This is a good time for a r3VOLution. 

----- Original Message -----

> CLUE experts,

> This puzzle is likely simple for you folks, but it has me stumped.
> I've done considerable digging but have found mixed advice.

> I've created a script to download from a local repo via wget an rpm
> to install JDK ... no problem there.

> Here's the part I can't get right ... setting the variables so I can
> run scripts to install Tomcat ... Any attempt will bomb if it can't
> find /usr/java/jdk1.7.0_21/bin

> # set JAVA_HOME variable ... tried in vain
> echo "setting JAVA_HOME variable variable for the session"
> JAVA_HOME=/usr/java/jdk1.7.0_21
> # export JAVA_HOME variable ... tried in vain
> echo "exporting JAVA_HOME variable variable for the session"
> export JAVA_HOME=/usr/java/jdk1.7.0_21
> echo "JAVA_HOME variable: $JAVA_HOME"

> # set PATH variable for the session ... tried in vain
> echo "setting PATH variable for the session"
> PATH=$PATH:/usr/java/jdk1.7.0_21/bin
> # export PATH variable for the session
> echo "exporting PATH variable for the subsequent sessions &
> processes"
> export PATH=$PATH:/usr/java/jdk1.7.0_21/bin
> echo "show PATH variable: $PATH"

> sleep 3 # wait

> # create script to set JAVA_HOME & PATH variables in
> /etc/profile.d/00_jdk.sh script for all accounts
> # use echo command with single quotes to write the literal statement
> to the script
> touch /etc/profile.d/00_jdk.sh
> echo '#!/bin/bash' >> /etc/profile.d/00_jdk.sh
> echo '# set JAVA_HOME in /etc/profile.d/00_jdk.sh script for all
> accounts' >> /etc/profile.d/00_jdk.sh
> echo 'JAVA_HOME=/usr/java/jdk1.7.0_21' >> /etc/profile.d/00_jdk.sh
> echo '# set PATH in /etc/profile.d/00_jdk.sh script for all accounts'
> >> /etc/profile.d/00_jdk.sh
> echo 'PATH=$PATH:/usr/java/jdk1.7.0_21/bin' >>
> /etc/profile.d/00_jdk.sh

> sleep 3 # wait

> echo "review contents of /etc/profile.d/00_jdk.sh"
> cat /etc/profile.d/00_jdk.sh

> ... results of install ... added some blank lines for readability ...

> [root at 87148-mondev01 ~]# ./DEV_install_jdk1.7-1.0.0.sh
> installation: Oracle/Sun jdk 1.7 64-bit
> remount /tmp with execute privledge
> changed to /tmp
> Pulling package from Artifactory Repo Management Server
> --2013-06-24 13:24:38--
> https://<RepoHost>/artifactory/simple/ext-release-local/oracle/jdk/7u21-linux/jdk-7u21-linux-x64.rpm
> Resolving <RepoHost>... 10.33.44.10
> Connecting to <RepoHost>|10.33.44.10|:443... connected.

> HTTP request sent, awaiting response... 200 OK

> Length: 85388149 (81M) [application/x-rpm]
> Saving to: “jdk-7u21-linux-x64.rpm”

> 100%[=======================================================================================================================================>]
> 85,388,149 52.7M/s in 1.5s

> 2013-06-24 13:24:40 (52.7 MB/s) - “jdk-7u21-linux-x64.rpm” saved
> [85388149/85388149]

> jdk downloaded
> check /tmp/ contents for jdk
> -rw-r--r--. 1 root root 85388149 Jun 6 16:46 jdk-7u21-linux-x64.rpm
> install jdk rpm
> Preparing... ########################################### [100%]
> package jdk-2000:1.7.0_21-fcs.x86_64 is already installed ........
> due to subsequent running of this script
> install jdk complete

> setting JAVA_HOME variable variable for the session
> exporting JAVA_HOME variable variable for the session

> ... when tested in the script, the correct answer shows up ...

> JAVA_HOME variable: /usr/java/jdk1.7.0_21

> setting PATH variable for the session
> exporting PATH variable for the subsequent sessions & processes

> ... when tested in the script, the correct answer shows up ...

> show PATH variable:
> /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/usr/java/jdk1.7.0_21/bin:/usr/java/jdk1.7.0_21/bin

> review contents of /etc/profile.d/00_jdk.sh
> #!/bin/bash
> # set JAVA_HOME in /etc/profile.d/00_jdk.sh script for all accounts
> JAVA_HOME=/usr/java/jdk1.7.0_21
> # set PATH in /etc/profile.d/00_jdk.sh script for all accounts
> PATH=$PATH:/usr/java/jdk1.7.0_21/bin
> remount /tmp removing execute privledge
> finished

> ... after script runs, when tested from CLI, variables not not
> correct ...

> [root at 87148-mondev01 ~]# echo $JAVA_HOME

> [root at 87148-mondev01 ~]# echo $PATH
> /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

> [root at 87148-mondev01 ~]# exit
> logout

> [vwadmin at 87148-mondev01 ~]$ su -
> Password:

> ... now the variable additions show up ... they come from the
> /etc/profile.d/00_jdk.sh script created as part of the JDK download
> & install ...

> [root at 87148-mondev01 ~]# echo $PATH
> /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/java/jdk1.7.0_21/bin:/root/bin

> [root at 87148-mondev01 ~]# echo $JAVA_HOME
> /usr/java/jdk1.7.0_21

> ... How can I get the variables to be available for the current root
> session & usable for subsequent installations? Trying to avoid the
> logout / login ...

> Thanks for your help.

> _______________________________________________
> clue mailing list: clue at cluedenver.org
> For information, account preferences, or to unsubscribe see:
> http://cluedenver.org/mailman/listinfo/clue
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://cluedenver.org/pipermail/clue/attachments/20130626/236bf16e/attachment.html