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