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