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