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