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