[yt-users] Crashing PDFs and Login screen after Yt installation

[Matthew Turk]

Hi Nathan and Hector,

I'm sorry for your trouble!

I suspect that what happened wasn't that yt overwrote any files.  I
think it only installed new files, but what ended up happening is that
Ubuntu searches /usr/local *first*, and then searches the rest of
LD_LIBRARY_PATH.  So in doing so, it hit an incompatible libpng (which
we should update anyway) and which then killed theo ther stuff.  I
suspect the contents of /usr/local could have been wiped and it would
have been okay.

I've issues a pull request with some fixes to the install script that will:

 * Tell you which packages you need to install on Ubuntu
 * Refuse to install in /usr/local
 * Refuse to run as sudo

I think this should cover these use cases.

Again, I'm sorry this caused you any troubles.  Hopefully we can work
them out!  And, thanks for bringing them to our attention.  It stinks
that this happened, but I think we can try to make sure it doesn't
happen again to you or anybody else.

-Matt

On Mon, Jul 23, 2012 at 7:56 PM, Nathan Goldbaum <nathan12343 at gmail.com> wrote:
> Hi Hector,
>
> Sorry to hear you're having trouble.  The first issue is an easy fix, you
> must install the libssl-dev package before running the install script.
>
> Your OS issues are troubling and we'd like to make sure that this issue
> isn't repeated.
>
> To figure out exactly what happened, we need to know how you ran the install
> script. Unfortunately you haven't given us enough information to figure out
> what went wrong.  Please let us know exactly what you did, and if you can,
> please forward us the install log file for the failed installation.
>
> Normally the install script shouldn't be able to write to system directories
> like /usr/local, but if you ran the script using escalated privileged (e.g.
> with sudo), it may have overwritten important system files.  In general, the
> install script is not supposed to be run with root privileges.
>
> Cheers,
>
> Nathan
>
>
> On 7/23/12 12:52 PM, Héctor Aceves Campos wrote:
>>
>> Dear all
>>
>> I have recently tried to install Yt, including Enzo, with the installation
>> script provided in the Yt webpage; setting the Enzo flag=1 and installing as
>> superuser in /usr/local all the files
>>
>> I had the following two problems:
>>
>> 1) the enzo clone was not installed... just before finishing the script
>> said something like Python SSL not found or supported, and the enzo
>> installation was aborted.
>>
>> 2) After all this, I was not able to (a) open any pdf file either with
>> evince or xpdf (under linux; either ubuntu 10.04 and linux mint 13 - running
>> gnome), (b) login .. my "welcome screen" was off, completely gone or black
>> as in my laptop (a toshiba with linux mint). so I could not login! In the
>> case of my desktop at work, I had to reinstall the operating system.
>>
>> Have any of the people of this forum seen this kind of problems? Any ideas
>> what might have gone wrong or how to fix this?
>>
>> cheers,
>>
>> hector
>>
>>
>>
>>
>>
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>
>
>
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