<html> <head> <style></style></head> <body class='hmmessage'><div dir='ltr'>Hello, I want to install mininet only, I did the following command but I faced an error. I do not want to remove the existed openvswitch <blockquote>alghada@kw12067:~$ sudo apt-get install mininet/precise-backports Reading package lists... Done Building dependency tree Reading state information... Done Selected version '2.0.0-0ubuntu1~ubuntu12.04.1' (Ubuntu:12.04/precise-backports [amd64]) for 'mininet' You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: mininet : Depends: python-networkx but it is not going to be installed openvswitch-controller : Depends: openvswitch-common (= 1.10.0-1) but 2.3.1-1 is to be installed Depends: openvswitch-pki (= 1.10.0-1) but 2.3.1-1 is to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). alghada@kw12067:~$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages will be REMOVED: openvswitch-controller 0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded. 1 not fully installed or removed. After this operation, 785 kB disk space will be freed. Do you want to continue [Y/n]? n Abort. </blockquote> Best regards, Eng Amer Alghadhban COE SANS-GCFW CEH, SCNP, CCNA </div></body> </html>