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