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