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