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