[Wien] How to know the user id & password for graphical interface of wien2k
shamik chakrabarti
shamikphy at gmail.com
Sat Apr 1 13:29:54 CEST 2017
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
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