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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