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Old 02-19-2015, 02:01 PM   #1
gmolivier
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Running software downloaded from Internet


I am using Ubuntu 14.10, but i think i would have the same question for other Linux oss.

I have downloaded an open source application from Blender.org...at least, i think i have.

How do i verify the app is downloaded

and how do i get it to run, that is, how do i put the app's icon on my desktop?

...thanks,

gmo
 
Old 02-19-2015, 02:07 PM   #2
suicidaleggroll
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It depends on the program. It should have some documentation on the site or in the file you downloaded. What's the file extension?
 
Old 02-19-2015, 02:11 PM   #3
273
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Might I ask why you have downloaded Blender rather than using the version in Ubuntu's software centre? The easiest way to install software on most distributions is to do so through the package management system of that distribution.
Of course, if you're just asking out of curiosity then, as suicidaleggroll asks, you need to say what type of file you downloaded.
 
Old 02-19-2015, 02:18 PM   #4
gmolivier
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The site (blender.org): Blender 2.73a for GNU/Linux.

It also says Tarball .bz2 , then choose a mirror...no idea what that is.

The file extension when downloaded in Win8.1 is .exe (blender.exe), but that is Win8.1. I don't know how to fine the blender.exe in Ubuntu nor do i know if is downloaded it correctly.

I'm not afraid to do this whole installation in Terminal, but i don't know how to do that either.

Obviously, I am newbie with capital 'N'.

...thanks for replying

gmo
 
Old 02-19-2015, 02:19 PM   #5
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You don't want .exe file. Windows executable won't run on Linux platform. Download .tar.bz2 file. It's a compressed archive, like .zip file in Windows.

You can extract blender-2.73a.tar.bz2 using 'tar' command:

Code:
$ tar -xvjf blender-2.73a.tar.bz2
$ cd blender-2.73a
$ ./blender

Last edited by GNU/Linux; 02-19-2015 at 02:22 PM.
 
Old 02-19-2015, 02:23 PM   #6
gmolivier
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Oh, Software center. I googled it, found it and located Blender. BUT the one offered is a very old version, (v2.66a), i want v273.a.

I downloaded through the blender website because there is a GNU/Linux link to do so:
 
Old 02-19-2015, 02:25 PM   #7
gmolivier
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So that's what "tarbz2" is for.
Let me try that.

...thanks much to all

gmo
 
Old 02-19-2015, 02:26 PM   #8
273
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Well, the Windows .exe will not work on Linux for a start -- i's the tar.bz2version you need. It looks, from the Blender website, that you would just unpack the dowloaded file into /opt (or other folder of your choice) then you would need to find out how to create an icon in the Ubuntu menus but I'm afraid I don't know how that is done.
 
Old 02-19-2015, 02:52 PM   #9
gmolivier
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Thanks again everyone...i'll slug it out using what i've learned from y'all

gmo
 
Old 02-19-2015, 02:57 PM   #10
suicidaleggroll
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Quote:
Originally Posted by gmolivier View Post
The site (blender.org): Blender 2.73a for GNU/Linux.

It also says Tarball .bz2

...

I don't know how to fine the blender.exe in Ubuntu nor do i know if is downloaded it correctly.
If you downloaded it, it should be in your Downloads directory in your home folder (or wherever your web browser defaults to for downloading files. You should be able to easily find it with a file browser, no different than downloading anything on Windows.

bz2 (bzip2) is a compression tool, similar to zip, only without the archiving
tar is an archiving tool, again similar to zip, only without the compression. tar archives are often called "tarballs"
.tar.bz2 is a combination of the two. It's a compressed archive of files and directories, very similar to zip

You can uncompress it with bunzip2 (eg: bunzip2 file.bz2), and then untar it with tar (eg: tar -xf file.tar), or you can tell tar to uncompress it while it extracts with the -j or -a flag (eg: tar -xaf file.tar.bz2) to do both steps in one.

When you extract it with tar, it will create a directory called blender-2.73a with all of the files inside. What to do from there depends on the program and how it was packaged. Sometimes it will be a directory full of source code that you'll have to compile (in which case there should be a file called README or INSTALL in the directory), or sometimes it'll be a pre-compiled binary that you can execute directly. According to GNU/Linux's post, Blender seems to be the latter, so inside the directory you should see a file called simply "blender" which you can run like a Windows .exe. You can probably double-click it from a file browser, or from a terminal you would run "./blender".


However, as 273 pointed out, unless you NEED the absolute latest version (which can often be buggy) for some special function, you're usually much better off going with the slightly older and more stable version from the distro's standard package repository. When you go this direction, your package management system will also install any needed dependencies for you, it will handle uninstallation easily, and it will handle automatic updates to the program.

When you download and build from scratch you get none of that, and you also run the risk of accidentally downloading a "bad" program from an untrustworty source that could infect your system. I am of the strong belief that this difference in package management approaches between Windows (download anything and everything from 3rd party websites, many of which could be untrusted or infected) and Linux (install everything from a centralized, maintained, "clean" package repository) is a BIG reason why there's such a large difference in virus infection rates between the two systems.

Last edited by suicidaleggroll; 02-19-2015 at 03:05 PM.
 
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Old 02-19-2015, 03:14 PM   #11
gmolivier
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Well, suicidaleggroll thanks a lot. I have blender 2.73a up and running. You made my day.

...now, all i have to do is remember this next time

gmo
 
Old 02-19-2015, 08:52 PM   #12
jross
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Quote:
Originally Posted by gmolivier View Post
Oh, Software center. I googled it, found it and located Blender. BUT the one offered is a very old version, (v2.66a), i want v273.a.

I downloaded through the blender website because there is a GNU/Linux link to do so:
This is odd because I have xubuntu 14.04 and the blender version I see in the software center is 2.69 (not 2.66).

What do you mean you googled the software center? To get to your software center just look in your menu and click "software center". I agree with suicidaleggroll's cautions especially since you are so new. For other stuff, it would be wise to at least try the repository version first to see how it works for you.
 
Old 02-19-2015, 09:24 PM   #13
Miati
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Right now, the right thing to do is to use package managers (such as Software Manager -> Menu -> Software Manager). It's more easier, secure and quicker.
You can also use the terminal to access package managers as well. For debian based (includes *buntu) use apt-get or aptitude
Code:
sudo apt-get install program
In the future, there will be cases where downloading the latest tarball and compiling is a good idea, but hold off on that for now
 
Old 02-19-2015, 10:23 PM   #14
jefro
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Wow, I'd have bet you weren't going to get this installed.

Good job.

I almost never attempt to use binary tarballs myself.
 
  


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