GNS3 couldn't run /usr/bin/dumpcap in child process: Permission Denied.
Contents
Ubuntu 16.04 LTS GNS3: Problem: couldn’t run /usr/bin/dumpcap in child process: Permission Denied.
Solution:
- Enable non-root user to capture network traffic by reconfiguring wireshark.
gns3a@gns3A:~$ sudo dpkg-reconfigure wireshark-common
- Add wireshark group to the user that you want to start GNS3 program.
gns3a@gns3A:~$ sudo gpasswd -a $USER wireshark
- Logout and Login again.