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