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