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