docker pull heasarc/ftools docker run -it heasarc/ftools After installation, set environment variables:
wget https://heasarc.gsfc.nasa.gov/FTP/software/lheasoft/lheasoft.tar.gz tar -xzf lheasoft.tar.gz cd lheasoft ./configure make make install ftool download
Since “ftool” can refer to different utilities, this guide covers the most common ones. Some lightweight Linux distributions or embedded systems include ftool (or a similarly named binary) for file operations like truncation, seeking, or low-level writes. ftool download
export HEADAS=/path/to/headas source $HEADAS/headas-init.sh Some Windows utilities name their executable ftool.exe for FTP/SFTP automation. ftool download