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