Fedora-26-升级-27

参考:https://fedoramagazine.org/upgrading-fedora-26-fedora-27/



#方法1
dnf upgrade --refresh -y
dnf install dnf-plugin-system-upgrade -y
dnf system-upgrade download --releasever=27 -y
dnf system-upgrade reboot

#方法2

dnf install fedora-upgrade.noarch -y

fedora-upgrade
#一直回车就可以了
#最后重启