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