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