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