DNF Is The New Default Package Manager Of Fedora 22

dnf [options]  [...]

DNF usage is very similar to YUM.

For example, to install a new package using YUM, we use the following command:

sudo yum install 

Similarly, we can install package using DNF as shown below.

To install a package using DNF:

sudo dnf install 

To remove a package:

sudo dnf remove 

To update the system:

sudo dnf update

To upgrade the system:

sudo dnf upgrade

출처:http://www.unixmen.com/dnf-is-the-new-default-package-manager-of-fedora-22/ 

virbr0 NAT 인터페이스 disable 시키기

# ifconfig

# virsh net-destroy default
# virsh net-undefine default
# service libvirtd restart

출처: http://redkite777.tistory.com/entry/%EB%A6%AC%EB%88%85%EC%8A%A4CentOS-virbr0-NAT-disable