how to unshare files that have been shared with you?
michel paul
"What I cannot create, I do not understand."
"Computer science is the new mathematics."
==================================
dimpase
michel paul
I guess one needs to know how much control over your Sage installation you have. Are you running a local Sage notebook server, or using something like sagenb.org?In the former case you can do most everything...
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A. Jorge Garcia
server, but I don't have a spare Linux box right now.
TIA,
A. Jorge Garcia
Applied Math and CompSci
http://shadowfaxrant.blogspot.com
http://www.youtube.com/calcpage2009
-----Original Message-----
From: michel paul <mpau...@gmail.com>
To: sage-edu <sage...@googlegroups.com>
Sent: Sun, Feb 5, 2012 1:49 pm
Subject: Re: [sage-edu] Re: how to unshare files that have been shared
with you?
Right, I use various forms of *.sagenb.org. I work in a high school and
have no control whatsoever. : )
On Sun, Feb 5, 2012 at 10:18 AM, dimpase <dim...@gmail.com>
Andrey Novoseltsev
passwords - I use sagenb.org very infrequently and quite often I
forget the password of the previous time (in the spirit of always
using different passwords and not writing them down). Since I usually
just post worksheets that I want to be public, it is not such a big
deal, but if I was doing some actual work and lost access to it, it
would be very frustrating. It seems that there is email field in users
profile, can't it be used to reset the password?
Thank you,
Andrey
Jason Grout
> It seems that there is email field in users
> profile, can't it be used to reset the password?
We should have that feature; a big +1. Dan Drake worked a bit on also
using email to confirm account registration. In fact, if email address
is required (a setting in the notebook admin page), a "Forgot password"
link appears at the bottom of the login page (see sage.cs.drake.edu, for
example). I don't know how well it works, though. Of course, as
always, patches are welcome!
Should we require email addresses on sagenb.org?
Jason
A. Jorge Garcia
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Requiring email addresses could be a problem. Many schools block email clients. So, the student would not be able to confirm the email until they got home. Creating accounts the first day of class would be a hassle. It's so easy now. I say leave it the way it is!
Thanx,
A. Jorge Garcia
Applied Math and CompSci
http://shadowfaxrant.blogspot.com
http://www.youtube.com/calcpage2009
William Stein
I will probably have to do that and ban all accounts on
http://sagenb.org that don't have emails. This is because as
sagenb.org gets more popular, it'll get abused by spammers, hackers,
etc. Right now, I'm still OK with leaving things as is, but this is
temporary. Maybe http://sagenb.com (which doesn't exactly exist as a
separate site) will be different.
---
There are "only" 80,264 http://sagenb.org accounts. The number of
accounts grows at a rate of about 100-150/day.
Can't we enable the "Forget password" link anyways, and have it work
when accounts have an email address associated with them, but not
otherwise? Just a thought...
>
> Jason
>
>
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William Stein
Professor of Mathematics
University of Washington
http://wstein.org
kcrisman
> There are "only" 80,264http://sagenb.orgaccounts. The number of
> Can't we enable the "Forget password" link anyways, and have it work
> when accounts have an email address associated with them, but not
> otherwise? Just a thought...
avoidance stuff with sagenb when presenting and asking people to try
out Sage *right now during the talk*...
How would a spammer abuse Sage, exactly? I can see someone bored
trying to do a fork bomb, but... publishing worksheets with ads?
Jason Grout
> On Mon, Feb 6, 2012 at 7:50 AM, Jason Grout<jason...@creativetrax.com> wrote:
>> On 2/6/12 9:28 AM, Andrey Novoseltsev wrote:
>>>
>>> It seems that there is email field in users
>>> profile, can't it be used to reset the password?
>>
>>
>> We should have that feature; a big +1. Dan Drake worked a bit on also using
>> email to confirm account registration. In fact, if email address is
>> required (a setting in the notebook admin page), a "Forgot password" link
>> appears at the bottom of the login page (see sage.cs.drake.edu, for
>> example). I don't know how well it works, though. Of course, as always,
>> patches are welcome!
>>
>> Should we require email addresses on sagenb.org?
>
> I will probably have to do that and ban all accounts on
> http://sagenb.org that don't have emails. This is because as
> sagenb.org gets more popular, it'll get abused by spammers, hackers,
> etc. Right now, I'm still OK with leaving things as is, but this is
> temporary. Maybe http://sagenb.com (which doesn't exactly exist as a
> separate site) will be different.
>
> ---
>
> There are "only" 80,264 http://sagenb.org accounts. The number of
> accounts grows at a rate of about 100-150/day.
>
> Can't we enable the "Forget password" link anyways, and have it work
> when accounts have an email address associated with them, but not
> otherwise? Just a thought...
I had that same thought. First, we'd have to make sure the Forget
Password link works at all. Then it would be easy to put in a check
like that.
Thanks,
Jason
John McNally
password. :(
Is there ANY way I can change or recover THAT one ?
--Sage NEWBIE--
jjmc...@gmail.com
William Stein
The number of ways they could right now is truly scary. This will
change. I don't really want to post how on a public list.
-- William
Jason Grout
>
>> There are "only" 80,264http://sagenb.orgaccounts. The number of
>> accounts grows at a rate of about 100-150/day.
>
> Yikes!
>
>> Can't we enable the "Forget password" link anyways, and have it work
>
> I'd like to forget some passwords, too.
The link is actually called "Forgot password", though I guess it should
have a question mark at the end to make it more clear.
Thanks,
Jason
kcrisman
kcrisman
On Feb 6, 1:40 pm, John McNally <jjmcnall...@gmail.com> wrote:
> On a (twice) related note.. I installed Sage 4.7 in my iMac and then forgot
> my LOCAL
> password. :(
>
> Is there ANY way I can change or recover THAT one ?
password and not your Mac password :)
See http://www.sagemath.org/doc/reference/sagenb/notebook/notebook_object.html,
in particular "reset". If you launch Sage from the command line, then
the part with "reset – boolean (default: False) if True allows you to
set the admin password. Use this if you forget your admin password."
should do what you need. If you have the app, you should be able to
get a command line from the icon in the bar at the top of the screen.
dimpase
On Tuesday, February 7, 2012 12:37:38 AM UTC+8, A. Jorge Garcia wrote:
Jason Grout <> wrote:On 2/6/12 9:28 AM, Andrey Novoseltsev wrote:
> It seems that there is email field in users
> profile, can't it be used to reset the password?
We should have that feature; a big +1. Dan Drake worked a bit on also
using email to confirm account registration. In fact, if email address
is required (a setting in the notebook admin page), a "Forgot password"
link appears at the bottom of the login page (see sage.cs.drake.edu, for
example). I don't know how well it works, though. Of course, as
always, patches are welcome!
Should we require email addresses on sagenb.org?
Jason
Requiring email addresses could be a problem. Many schools block email clients. So, the student would not be able to confirm the email until they got home. Creating accounts the first day of class would be a hassle. It's so easy now. I say leave it the way it is!
John McNally
My problem was that I had not previously tried a terminal session, had only used the notebook interface, in FireFox...so I was looking to start a command line session out of the browser, instead of the server...
We old folks get confused easily....
Again..thank you!
William Stein
>
>
> On Tuesday, February 7, 2012 12:37:38 AM UTC+8, A. Jorge Garcia wrote:
>>
>> Jason Grout <> wrote:
>>>
>>> On 2/6/12 9:28 AM, Andrey Novoseltsev wrote:
>>> > It seems that there is email field in users
>>> > profile, can't it be used to reset the password?
>>>
>>> We should have that feature; a big +1. Dan Drake worked a bit on also
>>> using email to confirm account registration. In fact, if email address
>>> is required (a setting in the notebook admin page), a "Forgot password"
>>> link appears at the bottom of the login page (see sage.cs.drake.edu, for
>>> example). I don't know how well it works, though. Of course, as
>>> always, patches are welcome!
>>>
>>> Should we require email addresses on sagenb.org?
>>>
>>> Jason
>>>
>> Requiring email addresses could be a problem. Many schools block email
>> clients. So, the student would not be able to confirm the email until they
>> got home. Creating accounts the first day of class would be a hassle. It's
>> so easy now. I say leave it the way it is!
>
>
> sure enough an OpenID account is easier to deal with than a local account.
>
> I'd rather try to require all new accounts on sagenb.org to be OpenID.
I'm seriously considering doing that. Then all issues of password
resets disappear, and I can
assume that any user has an account that has been verified by somebody else.
William
> For
> spammers it'd be more hassle to use.
> On the other hand it would need a list of allowed OpenID providers...
>
> Dima
>
>
>>
>> Thanx,
>> A. Jorge Garcia
>> Applied Math and CompSci
>> http://shadowfaxrant.blogspot.com
>> http://www.youtube.com/calcpage2009
>> Sent via DROID on Verizon Wireless
>
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>
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--
Jason Grout
> On Mon, Feb 6, 2012 at 8:26 PM, dimpase<dim...@gmail.com> wrote:
>>
>>
>> On Tuesday, February 7, 2012 12:37:38 AM UTC+8, A. Jorge Garcia wrote:
>>>
>>> Jason Grout<> wrote:
>>>>
>>>> On 2/6/12 9:28 AM, Andrey Novoseltsev wrote:
>>>>> It seems that there is email field in users
>>>>> profile, can't it be used to reset the password?
>>>>
>>>> We should have that feature; a big +1. Dan Drake worked a bit on also
>>>> using email to confirm account registration. In fact, if email address
>>>> is required (a setting in the notebook admin page), a "Forgot password"
>>>> link appears at the bottom of the login page (see sage.cs.drake.edu, for
>>>> example). I don't know how well it works, though. Of course, as
>>>> always, patches are welcome!
>>>>
>>>> Should we require email addresses on sagenb.org?
>>>>
>>>> Jason
>>>>
>>> Requiring email addresses could be a problem. Many schools block email
>>> clients. So, the student would not be able to confirm the email until they
>>> got home. Creating accounts the first day of class would be a hassle. It's
>>> so easy now. I say leave it the way it is!
>>
>>
>> sure enough an OpenID account is easier to deal with than a local account.
>>
>> I'd rather try to require all new accounts on sagenb.org to be OpenID.
>
> I'm seriously considering doing that. Then all issues of password
> resets disappear, and I can
> assume that any user has an account that has been verified by somebody else.
+1.
Right now, we don't have a switch to require only OpenID logins, so we'd
have to do that somehow.
A huge plus of this is that passwords would no longer be transmitted
insecurely, if I understand things correctly.
Jason
William Stein
That's my understanding as well. It's really awesome.
Are there any other major websites that *require* openid? I wonder
what the drawbacks are?
-- William
>
> Jason
>
>
> --
> You received this message because you are subscribed to the Google Groups
> "sage-edu" group.
Jason Grout
>> Right now, we don't have a switch to require only OpenID logins, so we'd
>> have to do that somehow.
>>
>> A huge plus of this is that passwords would no longer be transmitted
>> insecurely, if I understand things correctly.
>
> That's my understanding as well. It's really awesome.
>
> Are there any other major websites that *require* openid? I wonder
> what the drawbacks are?
Well, ask.sagemath.org requires it :).
Stackoverflow is another example. It appears that their "own" login
solution is just their own openid server.
Jason
Andrey Novoseltsev
>
> Right now, we don't have a switch to require only OpenID logins, so we'd
> have to do that somehow.
>
> A huge plus of this is that passwords would no longer be transmitted
> insecurely, if I understand things correctly.
>
> Jason
can look at their worksheets, but transmitting passwords insecurely is
very bad as they can be the same as for other accounts including
banking ones. Would it be possible to start new servers with OpenID
authorization out-of-the-box?
On the other hand, will encrypted authentication and unencrypted work
have the issue of "connecting to an open session"? As outlined here:
http://lifehacker.com/5672313/sniff-out-user-credentials-at-wi+fi-hotspots-with-firesheep
A somewhat related issue: can it be prohibited to see the list of
other users on the sharing screen? My university did not allow me to
create accounts for students automatically with their names as logins,
since nobody should be able to see who else is in the class and I
confessed that they might...
Thank you!
Andrey
dimpase
Thank you!
Andrey
Jason Grout
> A somewhat related issue: can it be prohibited to see the list of
> other users on the sharing screen? My university did not allow me to
> create accounts for students automatically with their names as logins,
> since nobody should be able to see who else is in the class and I
> confessed that they might...
This has been fixed in the new Sage notebook. For example, the list is
not available on *.sagenb.org.
Thanks,
Jason
Jason Grout
>>
>> Right now, we don't have a switch to require only OpenID logins, so we'd
>> have to do that somehow.
>>
>> A huge plus of this is that passwords would no longer be transmitted
>> insecurely, if I understand things correctly.
>>
>> Jason
>
> This would be wonderful, I don't think many users mind that someone
> can look at their worksheets, but transmitting passwords insecurely is
> very bad as they can be the same as for other accounts including
> banking ones. Would it be possible to start new servers with OpenID
> authorization out-of-the-box?
All you have to do with the new server is check a box in the notebook
settings page to turn on OpenID.
>
> On the other hand, will encrypted authentication and unencrypted work
> have the issue of "connecting to an open session"? As outlined here:
> http://lifehacker.com/5672313/sniff-out-user-credentials-at-wi+fi-hotspots-with-firesheep
Probably. If you want security, then use SSL on your server.
Thanks,
Jason