sha256sum -c checksums.sha256 if [ $? -eq 0 ]; then echo "Checksum verified. Decompressing..." tar -I zstd -xvf all_eveng_bundle.zst -C /opt/unetlab/addons/ /opt/unetlab/wrappers/unl_wrapper -a fixpermissions echo "All EVENG images installed successfully." else echo "Checksum mismatch. This download is not 'better' — aborting." exit 1 fi
aria2c -x 16 -s 16 --check-certificate=false "https://private.eve-ng-exclusive.com/images/all_eveng_bundle.tar" This fetches 16 parallel chunks, saturating your gigabit link. A "better" download is also a smaller download. Exclusive distributions often use Zstandard ( zst ) compression instead of Gzip. A 50 GB folder compresses to 18 GB with zstd --ultra -22 . Learn to decompress: exclusive download all eveng images better
/opt/unetlab/addons/qemu/ /opt/unetlab/addons/iol/ /opt/unetlab/addons/dynamip/ An exclusive bundle preserves this tree. Use rsync -avz to synchronize without duplication. After copying, always run: sha256sum -c checksums