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