도커 레지스트리 yt-dlp bind9 vagrant-libvirt BPF kubeadm openvSwitch uprobe ovpn ceph jaeger-ceph nvidia-smi 쿠버네티스 인증서 localGPT ovs nvcc docker 리눅스설정 x509 dns net-scripts ceph-osd ebpf libvirt ubuntu bpf_trace_printk libvirt-vagrant vagrant 도커 klosedstack