cat << EOF > /etc/yum.repos.d/nux-misc.repo [nux-misc] name=Nux Misc baseurl=http://li.nux.ro/download/nux/misc/el7/x86_64/ enabled=0 gpgcheck=1 gpgkey=http://li.nux.ro/download/nux/RPM-GPG-KEY-nux.ro EOF yum -y --enablerepo=nux-misc install tunctl
原文：https://www.cnblogs.com/omgasw/p/13207707.html