After successfully working on my first simulation and try to draw another topology in NCTUns-6.0 i got segmentation fault and unable to open GUI.
Here is error code: [nctuns@rabia ~]$ su
Password:
[root@rabia nctuns]# nctunsclient
mkdir /root/.nctuns
mkdir /root/.nctuns/etc
mkdir /root/.nctuns/tmp
Session management error: None of the authentication protocols specified are supported
/usr/local/nctuns/bin/nctunsclient: line 2: 2150 Segmentation fault env LC_ALL=C LANG=en_US /usr/local/nctuns/bin/nctunsclient.bin
[root@rabia nctuns]#

After successfully working on my first simulation and try to draw another topology in NCTUns-6.0 i got segmentation fault and unable to open GUI.

Here is error code: [nctuns@rabia ~]$ su
Password:
[root@rabia nctuns]# nctunsclient
mkdir /root/.nctuns
mkdir /root/.nctuns/etc
mkdir /root/.nctuns/tmp
Session management error: None of the authentication protocols specified are supported
/usr/local/nctuns/bin/nctunsclient: line 2: 2150 Segmentation fault env LC_ALL=C LANG=en_US /usr/local/nctuns/bin/nctunsclient.bin
[root@rabia nctuns]#