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