Assuming you already have the necessary Ubuntu packages installed such as:

sudo apt update
sudo apt install tcsh ghostscript octave gnuplot python build-essential gcc-multilib
sudo apt install rpm default-jre-headless autoconf libtool perl

If you are trying to get started quickly using the pre-built executables, WIEN2k_18.2_executables.tar.gz (for a 64 bit Ubuntu or Linux operating system only), the following will most likely work:

username@computername:~/WIEN2k$ ls
WIEN2k_18.2_executables.tar.gz  WIEN2k_18.2.tar
username@computername:~/WIEN2k$ tar xvf WIEN2k_18.2.tar
...
username@computername:~/WIEN2k$ chmod +x ./expand_lapw
username@computername:~/WIEN2k$ ./expand_lapw
WARNING: This will expand all WIEN.tar files !!!
It will overwrite all changes you have made previously in the WIEN subdirectories
continue (y/n)
y
...
WIEN is now expanded. The shell-script commands were copied and links created.
To configure your Fortran-executables run:

./siteconfig_lapw
username@computername:~/WIEN2k$ tar xvf WIEN2k_18.2_executables.tar
...

If siteconfig fails with a "Word too long" error", you need siteconfig_lapw.patch [ https://github.com/gsabo/WIEN2k-Patches/tree/master/18.2 ].

username@computername:~/WIEN2k$ ./siteconfig
...
continue or stop (c/s) c
...
     LG   Linux (gfortran + gcc (version 6 or higher) + OpenBlas)
...
     Your compiler: gfortran
...
     Your compiler: cc
...
 Would you like to use LIBXC (that you have installed)? (y,N):
N
...
Selection: S
...
  Shared Memory Architecture? (y/N):y
  Do you know/need a command to bind your jobs to specific nodes?
  (like taskset -c). Enter N / your_specific_command: N
...
   Do you have MPI, ScaLAPACK, ELPA, or FFTW installed and intend to run
   finegrained parallel?
...
   (y/N) N
...
     Selection: Q
...
     Selection: Q
...
   Please enter the full path of the perl program: /usr/bin/perl
...
 Please enter the full path to your temporary directory: /tmp
...
username@computername:~/WIEN2k$ ./userconfig
...
     Specify your prefered editor (default is emacs):
     editor shall be: gedit
...

     Set editor to  gedit (Y/n) Y
...
     Specify your prefered DATA directory, where your cases should be
     stored (for  /home/username/WIEN2k, just enter RETURN key):
     DATA directory: /home/username/wiendata
...
     Set DATA directory to  /home/username/wiendata (Y/n) Y

     Specify your prefered scratch directory, where big case.vector files
     can be stored (Recommended is your working dir., just enter RETURN key):
     scratch directory:

     Set scratch directory to  working directory (Y/n) Y

     Specify your program to read pdf files (default is acroread)
     (on some Linux systems use xpdf):evince

     Set PDFREADER to  evince (Y/n) Y
...
     Do you want to continue (Y/n)? Y
...
     Edit .rhosts file now? (y/N) N

username@computername:~/wiendata/TiC$ source ~/.bashrc
username@computername:~/WIEN2k$ cd ~/wiendata/TiC
username@computername:~/wiendata/TiC$ ls
TiC.struct

Note: TiC.struct you can get from TiC.tar.gz on the website or the WIEN2k example in the usersguide [ http://susi.theochem.tuwien.ac.at/reg_user/textbooks/usersguide.pdf ]

username@computername:~/wiendata/TiC$ init_lapw -b
...
username@computername:~/wiendata/TiC$ run_lapw
...
in cycle 8    ETEST: .0020103350000000   CTEST: .0147711
hup: Command not found.
 LAPW0 END
 LAPW1 END
 LAPW2 END
 CORE  END
 MIXER END
ec cc and fc_conv 1 1 1

>   stop

Information that my help setup w2web and xcrysden:

Setting up w2web [ https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg15629.html ] xcrysden install [ https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg17895.html ]

If you are trying to get start less quickly or must compile to apply a code patch:

Compiling with gfortran [ https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg17175.html ] Compiling with ifort [ https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg16627.html ] My list of WIEN2k 18.2 patches [ https://github.com/gsabo/WIEN2k-Patches/tree/master/18.2 ]

On 9/13/2018 9:10 PM, Chi Ho Wong wrote:
Dear duty officer,

I am trying to install Wien2K 18.2 in Ubuntu system but it fails.

First I typed 'tar xvzf WIEN2k_18.2_executables.tar.gz', it is fine

Then I type 'gunzip *.gz', it is also fine.

*However, when I typed  'chmod +x ./expand_lapw', or 'chmod +x ./expand_lapw./expand_lapw, 'it failed by showing the message that './expand_lapw: No such file or directory'*

Any advice to fix it? Thank you

Best regards
Roy
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