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