NOTE 1: Some services running in the background during the update are blocking the process. You can use the sudo kill -9 (Process ID) command in the terminal to terminate the processes using the ID numbers of the conflicting services on your system. NOTE 2: If you get the “dpkg was interrupted” error when you execute the sudo apt upgrade command again, execute the “sudo dpkg –configure -a” command and then you can start the update again.Īfter defining the repo address and updating your installed programs, execute the “sudo apt install gns3-server gns3-gui” command in the terminal to install the GNS3 simulator software. sudo apt install gns3-gui gns3-serverĭependent packages will be installed for the simulator program to work properly on Ubuntu. Press Y and then Enter to confirm the installation of all packages specified in the terminal.ĭon’t forget to check your connection as dependent packages for GNS3 will be downloaded over the Internet.Īt the last stage of the installation, that is, while installing the Wireshark program, when you encounter the Configuring ubridge window, press Enter on the Yes option to allow users who are members of the non-superusers group to run this software. Likewise, press Enter on the Yes option to allow non-superusers members to perform packet analysis on the network with the Wireshark program.Īfter successfully completing the installation, run GNS3 from the applications panel.Īfter running the GNS3 simulator, the Setup Wizard window will appear. You can close this window or continue to view and verify localhost settings. ![]() In the Setup Wizard window, select the “Run appliances on my local computer” and then click the Next button.Ĭontinue without changing the default settings in the Local server configuration window. If there is another application on your system that may conflict with GNS3, change the Port number. In the Local server status window, you can see that the Localhost service does not conflict with another application and runs smoothly. ![]() Continue by clicking Next in the service verification window. The Summary window shows you that the GNS3 simulator software is running as Local.
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