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