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  3. July 2016

Re: [IBMiOSS] How to tell the system which version of Node to use

PATH is kind of like your library list. By default, PASE uses
/QOpenSys/usr/bin:/usr/ccs/bin:/QOpenSys/usr/bin/X11:/usr/sbin:.:/usr/bin
as you noted.

Due to how the OPS stuff is shipped, we can't switch over Node 0.12 to
Node v4. Instead, we ship them under different subdirectories in ProdData.
I *believe* that the node developers also created a /QOpenSys/usr/bin/
node4 symlink you can use instead of node if you want to ensure that you
use Node v4.


If you want to set your PATH to be persistent. Just add a line to your
~/.profile:

export PATH=/QOpenSys/QIBM/ProdData/OPS/Node4/bin:$PATH

and every time you start a PASE shell, your PATH will be set.

If you want to do it "system wide" you need to add the line to
/QOpenSys/etc/profile instead.


"OpenSource" <opensource-bounces@xxxxxxxxxxxx> wrote on 07/06/2016
04:54:40 PM:

From: Bradley Stone <bvstone@xxxxxxxxx>
To: IBMi Open Source Roundtable <opensource@xxxxxxxxxxxx>
Date: 07/06/2016 04:55 PM
Subject: Re: [IBMiOSS] How to tell the system which version of Node to
use
Sent by: "OpenSource" <opensource-bounces@xxxxxxxxxxxx>

Aaron, (or anyone else)

Can you (or anyone else) tell me then how my system is already set to
use
the old version vs. the new version? It must be something in the
current
path.

Somewhere the system has to be being told "use this version". I want
to
tell it to use the new version. This should be something simple to do I
would hope without making a shell script.

I see in /usr/bin the node command (v0.12.13) as well as many others
(ls,
curl, jar, etc) Can I replace any files in there to make it use the new
version instead of writing a script?

Sorry to be a pest, but this will be asked MANY times in the future, I'm
sure of it. :)

When I use

echo $PATH
I get:

/QOpenSys/usr/bin:/usr/ccs/bin:/QOpenSys/usr/bin/X11:/usr/sbin:.:/usr/bin

When I use

export PATH=/QOpenSys/QIBM/ProdData/OPS/Node4/bin:$PATH

And then node -v, it does claim to be using the new version. But... I
want
to set it to use it system wide, not just for my particular session.

Am I asking the wrong question? :) I apologize if I am... but I would
hope this would be something simple, something documented by IBM (or the
OSS group).

IBM released Node4, I would hope there were some documentation on how to
set your system to use it besides needed to create a shell script. When
they release the next version, the path would be the same to use the new
version, or to be able to go back to the old version.

Brad

On Wed, Jul 6, 2016 at 4:28 PM, Aaron Bartell <aaronbartell@xxxxxxxxx>
wrote:

I use shell scripts to set the environment before starting my app. For
example:

---start.sh---
export PATH=/QOpenSys/QIBM/ProdData/OPS/Node4/bin:$PATH
PORT=80 node app.js

And then put it in a SBMJOB..

SBMJOB JOB(QSH CMD('/path/to/start.sh'))


Aaron Bartell
litmis.com - Services for open source on IBM i


On Wed, Jul 6, 2016 at 4:23 PM, Bradley Stone <bvstone@xxxxxxxxx>
wrote:

Yep, it shows v0.12.13. I know node4 is installed. I also know how
to
check the version.

So, again I ask, how do I tell my applications (or my system if
that's
the
right terminology) to use the new version?

On Wed, Jul 6, 2016 at 3:43 PM, Aaron Bartell
<aaronbartell@xxxxxxxxx>
wrote:

Before you start your app you can run:

node -v

From within your app you could try this:
http://bit.ly/determine-nodejs-version

Aaron Bartell
litmis.com - Services for open source on IBM i


On Wed, Jul 6, 2016 at 3:38 PM, Bradley Stone <bvstone@xxxxxxxxx>
wrote:

Any other changes to source needed besides that? How do I know
if
I'm
using the new or old Node version with my application? (not
just the
DB2
adapter).

On Wed, Jul 6, 2016 at 3:31 PM, Aaron Bartell <
aaronbartell@xxxxxxxxx>
wrote:

That depends what you mean by "convert". Node4 uses ES6 which
has
a
number
of new features. With that said, the primary thing you need
to be
aware
of
is the changed path of the DB2 adapter. Going off of
memory...

Node v0.12.x
var db =
require('/QOpenSys/QIBM/ProdData/Node/os400/db2i/lib/db2')

Node v4.x
var db =
require('/QOpenSys/QIBM/ProdData/OPS/Node4/os400/db2i/lib/db2')

Aaron Bartell
litmis.com - Services for open source on IBM i


On Wed, Jul 6, 2016 at 3:24 PM, Bradley Stone
<bvstone@xxxxxxxxx>
wrote:

Just looking through my system I see I have Node4 installed.

Is there a "simple" way to convert my apps done with the old
version
to
use
the new version?
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