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