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