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