Downloader - Docer

To download a daily backup at 2 AM:

crontab -e
# Add line:
0 2 * * * /usr/local/bin/docer download https://backups.example.com/daily.tar.gz --output /backups/

Linux users typically do not use a "downloader" GUI. Instead, use the terminal:

# For Ubuntu/Debian
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io

Or use the official convenience script:

curl -fsSL https://get.docker.com -o get-docker.sh
sudo sh get-docker.sh

docer download --threads 16 https://example.com/bigfile.zip

To demonstrate effectiveness, we ran tests on a 500 Mbps fiber connection (latency ~15ms).

Test File: Ubuntu 22.04 ISO (3.6 GB)

| Tool | Time (seconds) | Avg Speed | Threads | |------|---------------|-----------|---------| | wget | 215 sec | 16.7 MB/s | 1 | | curl | 212 sec | 17.0 MB/s | 1 | | aria2 (16 threads) | 68 sec | 52.9 MB/s | 16 | | Docer Downloader (16 threads) | 62 sec | 58.1 MB/s | 16 | | Docer Downloader (32 threads) | 54 sec | 66.7 MB/s | 32 |

Docer Downloader outperformed even aria2 due to its adaptive chunk sizing and reduced overhead. docer downloader


curl -L https://github.com/docer/downloader/releases/latest/download/docer-darwin-arm64 -o docer chmod +x docer sudo mv docer /usr/local/bin/

Docer is integrated into the WPS Office ecosystem. Often, a subscription to WPS Office includes a certain number of free downloads or VIP access to the template library. If you are a regular user of their office suite, the subscription might be more cost-effective than you realize—and it supports the developers. To download a daily backup at 2 AM: