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