因为centos软件仓库没有这货，所以先添加fedora官方源，否则无法通过yum安装transmission
rpm -Uvh http://dl.fedoraproject.org/pub/epel/7/x86_64/Packages/e/epel-release-7-11.noarch.rpm
开始安装transmission
yum -y install transmission transmission-daemon
systemctl start transmission-daemon
systemctl stop transmission-daemon
systemctl enable transmission-daemon.service
创建transmiss...