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