tar jxvf sage-9.1-Ubuntu_18.04-x86_64.tar.bz2 is not downloading SageMath

[Joshua Meadowcroft]

Trying to download Sage on Linux Ubuntu but the following command isn't working.  What am i doing wrong?  Please see attached picture.

tar jxvf sage-9.1-Ubuntu_18.04-x86_64.tar.bz2 

[Justin C. Walker]

> On May 29, 2020, at 12:18 , Joshua Meadowcroft <jmeadow...@gmail.com> wrote:
>
> Trying to download Sage on Linux Ubuntu but the following command isn't working. What am i doing wrong? Please see attached picture.
>
> tar jxvf sage-9.1-Ubuntu_18.04-x86_64.tar.bz2

If you check the results of this command, you will see what the problem is:

"tar jxvf sage-9.1-Ubuntu_18.04-x86_64.tar.bz2: Cannot open: no such file or directory"

This means that the “tar” command is not able to locate the file “sage-….” in the current directory. You either need to run this command in the directory containing the file, or give the “full” file name to the command.

HTH

Justin

--
Justin C. Walker, Curmudgeon at Large
Institute for the Absorption of Federal Funds
-----------
While creating wives, God promised men
that good and obedient wives would be
found in all corners of the world.
Then He made the earth round.
--

[Joshua Meadowcroft]

um, I'm not surprised that the file or directory can not be found on my machine.  Because it hasn't been downloaded yet.  That's what I'm attempting to do.  I used tar jxvf sage-9.1-Ubuntu_18.04-x86_64.tar.bz2 to download Sage last week on an identical different machine and it worked perfectly. So, it's odd that the exact command is not doing it now. 

[Joshua Meadowcroft]

The initial download from tar jxvf sage-9.1-Ubuntu_18.04-x86_64.tar.bz2 is not executing.   Unable to sagemath download pre-built binary from site.  Any thoughts?

[Justin C. Walker]

> On May 29, 2020, at 13:35 , Joshua Meadowcroft <jmeadow...@gmail.com> wrote:
>
> um, I'm not surprised that the file or directory can not be found on my machine. Because it hasn't been downloaded yet. That's what I'm attempting to do. I used tar jxvf sage-9.1-Ubuntu_18.04-x86_64.tar.bz2 to download Sage last week on an identical different machine and it worked perfectly. So, it's odd that the exact command is not doing it now.

Well, perhaps Ubuntu has special mojo that would make that work, but on any Unix-like system I am aware of, what I saw in your attached snap of the command and output means to me that the command was expecting the file to be in the current directory. Nothing shows me that the command would know where in the world to look for the tarball other than locally.

If it did work and now doesn’t, it’s beyond my experience.

In your following message, you say “Unable to sagemath download pre-built binary from site”. Is that literal output from tar? It’s pretty weird phrasing, in the first place. And additionally, how does “it” know what the site is, and that the tarball contains a pre-built binary?

Sorry I can’t be of more help.

Justin

--
Justin C. Walker, Curmudgeon-At-Large
Institute for the Enhancement of the Director's Income
--------
When LuteFisk is outlawed,
Only outlaws will have LuteFisk
--------

[Henri Girard]

tar is not a downloading command, just an uncompressed one :)

So in 2 words : Download the file and after verifying it is there, do tar

Regards

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