[Wien] How to know the user id & password for graphical interface of wien2k
shamik chakrabarti
shamikphy at gmail.com
Mon Apr 3 06:21:38 CEST 2017
Dear Bhamu, Gavin, Xavier & Fecher,
The problem is solved. I have deleted .w2web & run w2web
again. It proceeds to get new user id & password for graphical interface.
Thanks a lot once again.
with best regards,
On Sat, Apr 1, 2017 at 4:59 PM, shamik chakrabarti <shamikphy at gmail.com>
wrote:
> Dear Bhamu & Gavin,
>
> Thank you for your responses. I will have
> access to that system on next Monday. I will try to follow your suggestions
> & let you know the results then.
>
> Thanks once again.
>
> with regards,
>
> On Sat, Apr 1, 2017 at 2:32 PM, Gavin Abo <gsabo at crimson.ua.edu> wrote:
>
>> The id seems recoverable from the w2web.users file. However, the
>> password seems not easily recoverable (as it should be!) as the perl
>> documentation says "There is no decrypt function" [1]. Therefore, deleting
>> w2web.users [2] (or .w2web) is the way to do it.
>>
>> First, you might want to backup the .w2web folder. For example:
>>
>> username at computername:~/Desktop$ cp -r ~/.w2web ~/.w2web_old
>>
>> Or at least, you will probably want to get and write down what the port
>> and host that are in the w2web.conf file before removing the .w2web folder:
>>
>> username at computername:~/Desktop$ cat ~/.w2web/computername/conf/w2web.conf
>> | grep -E 'port|host'
>> port=7890
>> host=localhost
>>
>> Next, remember to kill all currently running versions of w2web. For
>> example:
>>
>> username at computername:~/Desktop$ ps -e | grep w2web
>> 4089 ? 00:00:00 w2web
>> username at computername:~/Desktop$ kill 4089
>>
>> For example, my username is user1 and password is 1234. The username is
>> clearly seen in w2web.users and 9XDKy48uHtMo6 is the hash for my 1234
>> password:
>>
>> username at computername:~/Desktop$ cat ~/.w2web/computername/conf/w2web.users
>>
>> user1:9XDKy48uHtMo6
>>
>> Just the w2web.users file was removed. For example with:
>>
>> username at computername:~/Desktop$ rm ~/.w2web/computername/conf/w2web.users
>>
>>
>> Next, I was able set a new id and password, but I used the same ones
>> again. I also used the port and host that I had before in the w2web.conf
>> file:
>>
>> username at computername:~/Desktop$ w2web
>> #######################################################################
>> # w2web starter #
>> # Copyright (C) 2001 luitz.at #
>> #######################################################################
>> w2web installer on host computername
>>
>> #######################################################################
>> # w2web installer #
>> # Copyright (C) 2001 luitz.at #
>> #######################################################################
>>
>> Checking for Installation in /home/username/.w2web/computername
>>
>>
>> Installing w2web files ...
>> Please answer these questions for proper installaltion.
>> Just press enter for the default value of (in brackets).
>>
>> Please enter the username: [admin] user1
>> Please enter the password: [password] 1234
>> user1:1234
>> Remember these. You will need them when you log in.
>>
>> Select the port to run on: [7890]
>> Running on port 7890
>>
>> Please enter this system's hostname: [computername] localhost
>> Using localhost
>>
>> Is this your master node?: [y] y
>> Installing... Attempting to start now...
>>
>> Trying to start /home/username/WIEN2k/SRC_w2web/bin/w2web
>> w2web server started, now point your web browser to
>> http://localhost:7890
>>
>> done.
>> username at computername:~/Desktop$ cat ~/.w2web/computername/conf/w2web.users
>>
>> user1:ttja7f2i1Z72.
>>
>> The ttja7f2i1Z72 is the hash for my 1234 password. The password hash is
>> randomly generate each time, which is why it is different.
>>
>> [1] http://perldoc.perl.org/functions/crypt.html
>> [2] http://susi.theochem.tuwien.ac.at/reg_user/textbooks/usersguide.pdf
>> (section "11.3.5 The password file conf/w2web.users" on page 224 of the
>> WIEN2k 16.1 usersguide)
>>
>>
>> On 4/1/2017 1:09 AM, shamik chakrabarti wrote:
>>
>> Dear Xavier,
>>
>> if without deleting the .w2web file, if I run
>> ./userconfig_lapw, whether that will give me new id & password for
>> graphical interface?...As the installation of wien2k itself is a tough job,
>> I do not want to take risk of deleting any files, as long as we have other
>> ways to do it.
>>
>> with regards,
>>
>> On Sat, Apr 1, 2017 at 12:11 AM, Xavier Rocquefelte <
>> xavier.rocquefelte at univ-rennes1.fr> wrote:
>>
>>> Dear Shamik
>>>
>>> The userid and password are generated when you start for the first time
>>> the w2web interface by typing in the unix terminal:
>>>
>>> w2web
>>>
>>> If it has been already generated, you have then created a directory
>>> named .w2web which contains configuration files.
>>>
>>> One easy solution is to remove this directory: rm -f .w2web
>>>
>>> Then type: w2web and answer the questions which will lead to recreate
>>> the directory with the userid and password you will choose.
>>>
>>> Best Regards
>>>
>>> Xavier
>>>
>>> Le 31/03/2017 à 18:29, shamik chakrabarti a écrit :
>>>
>>> Dear Wien2k users,
>>>
>>> I am now try to work in a system, in which
>>> while giving the port number to the address bar of a browser & it is then
>>> asking for user id & password to open graphical interface of wien2k.
>>> Unfortunately I do not know the id & the password for the interface to
>>> open. Is there any file or directory in which I can get the log in
>>> information for graphical interface.
>>>
>>> Looking forward to your response in this regard.
>>>
>>> with regards,
>>>
>>> --
>>> Dr. Shamik Chakrabarti
>>> Research Associate
>>> Electroceramics Lab
>>> Dept. of Metallurgical & Materials Engineering
>>> IIT Kharagpur
>>> Kharagpur 721302
>>> INDIA
>>>
>>>
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>>
>
>
> --
> Dr. Shamik Chakrabarti
> Post Doctoral Research Associate
> Dept. of Condensed Matter Physics and Material Science
> S N Bose National Centre for Basic Sciences
> Kolkata-700098
> INDIA
>
--
Dr. Shamik Chakrabarti
Post Doctoral Research Associate
Dept. of Condensed Matter Physics and Material Science
S N Bose National Centre for Basic Sciences
Kolkata-700098
INDIA
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