Dear my friend,
I do the installation under your help. I reinstalled the sagemath software
with the steps:
1. download the latest version of SageMath 8.7 for Linux Ubuntu 18.04, and *mv
sage-8.7-Ubuntu_18.04-x86_64.tar.bz2 /usr/local/*
2. Reinstall WSL Ubuntu 18.04
3. *mkdir /usr/local/SageMath && chown -R newton /usr/local/SageMath*
4. *cd /usr/local/ tar xjvf sage-8.7-Ubuntu_18.04-x86_64.tar.bz2*
*5. chown -R newton /usr/local/SageMath*
*6. cd SageMath/ && ./sage*
*7. chown -R newton /usr/local/SageMath*
*8. alias sage='/usr/local/SageMath/sage'*
when I type sage in terminal with normal user*,* sage can be used. But
there is still a warning:
newton@Newton-PC-4:~$ sage
┌────────────────────────────────────────────────────────────────────┐
│ SageMath version 8.7, Release Date: 2019-03-23 │
│ Using Python 2.7.15. Type "help()" for help. │
└────────────────────────────────────────────────────────────────────┘
/usr/local/SageMath/local/lib/python2.7/site-packages/psutil/_pslinux.py:469:
RuntimeWarning: 'sin' and 'sout' swap memory stats couldn't be determined
and were set to 0 ([Errno 2] No such file or directory: '/proc/vmstat')
warnings.warn(msg, RuntimeWarning)
*sage*: 1 + 1
2
*sage*:
Is it the bug of WSL or there is still something wrong?
henri.gir...@gmail.com <henri.gir...@gmail.com> 于2019年5月16日周四 下午5:20写道：
> I guess he uses sudo to install the sagemath deb package as he is using
> the nativ (!) one... But sorry for insisting, the last version of sage
> on the web site is much more recent and can be used in home .
>
> Le 16/05/2019 à 10:39, Dima Pasechnik a écrit :
> > On Thu, May 16, 2019 at 7:55 AM 刘鹏 <littlenewt...@gmail.com> wrote:
> >> Q1
> >>> why did you use sudo ?
> >>>
> >>> This appears to be completely unnecessary.
> >>
> >> I am sorry for showing that. But now, I can use sagemath with this
> command in .bashrc
> >> alias sage=''sudo ~/SageMath/sage'
> >> I think this is because I use sagemath the first time with sudo. I
> don't know what happened during I running sagemath the first time.
> > This is because Sage maintains a data cache in ~/.sage/
> > Running Sage with sudo created/updated files in ~/.sage/ with wrong
> > (i.e. root) ownership,
> > It might have also changed ownerships of some files in
> > ~/SageMath/local/ - although this is less likely.
> >
> > You can see ownerships in ~/.sage/ by running "ls -alR ~/.sage/", and
> > similarly for ~/SageMath/
> >
> > You can (actually, you should) change ownerships back to your "normal"
> user
> > bu running "sudo chown -R ~/.sage/ <username>"
> > and "sudo chown -R ~/Sage/ <username>"
> > (where <username> should be replaced by your real username, -
> > something that on "real" Linux systems
> > is printed by the command "whoami")
> >
> > This is assuming that "chown" actually works on WSL as it should...
> >
> > Then it should not be necessary to use "sudo" any more.
> >
> > Using "sudo" is a bad idea in such a case, e.g. as in Python you have
> > full access to the file system, so you can accidentally destroy your
> > WSL installation.
> >
> > Let us know if all this makes sense and works.
> >
> >> Q2
> >>> and does it still work if you don't use the alias?
> >> alias just replace the command. There is no different between alias the
> the original command.
> >>
> >> Q3
> >>> Anyhow, we need a detailed bug report if you like us to look at it
> >>> ("it crashed" is not enough - we need to see error messages, relevant
> >>> log files, etc)
> >> I am sorry for my issue not so detailed. I use sagemath to do the
> experiment in my bachelor thesis. This PC for doing experiment still in the
> lab. I will come back to run the installation again and get the log file.
> >>
> >> Thanks.
> >>
> >> Dima Pasechnik <dimp...@gmail.com> 于2019年5月15日周三 下午3:14写道：
> >>> On Tue, May 14, 2019 at 10:16 PM 刘鹏 <littlenewt...@gmail.com> wrote:
> >>>> Dear my friends,
> >>>>
> >>>> After I installed the sagemath 8.7 in Windows Subsystem for Linux
> Ubuntu 18.04, crash happend.
> >>>>
> >>>> (decomperssed ==> move folder to my home directory ==> sudo ./sage).
> >>> why did you use sudo ?
> >>> This appears to be completely unnecessary.
> >>>
> >>>> When I first finished the installation, the first running is very
> normal. However when the second time I add "alias sage='~/SageMath/sage'"
> and type sage in terminal, it crashed.
> >>> and does it still work if you don't use the alias?
> >>>
> >>> Anyhow, we need a detailed bug report if you like us to look at it
> >>> ("it crashed" is not enough - we need to see error messages, relevant
> >>> log files, etc)
> >>>
> >>>> what happened here? Is WSL not so stable or the bugs in Sage 8.7 made
> the crash?
> >>>>
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