How to install SRA-tools (fastq-dump, prefetch,... ) on Ubuntu/Linux?

download pages
https://github.com/ncbi/sra-tools/wiki/Downloads
http://ncbi.github.io/sra-tools/fastq-dump.html
https://trace.ncbi.nlm.nih.gov/Traces/sra/sra.cgi?view=software

# create and go to install directory

cd $HOME/tools/sra-tools/

# decompress
tar -xvzf sratoolkit.current-ubuntu64.tar.gz

# check directory name (sra-tools version)

ls
sratoolkit.2.8.2-1-ubuntu64/
sratoolkit.current-ubuntu64.tar.gz

# add location to system PATH (using current version directory name)

export PATH=$HOME/tools/sra-tools/sratoolkit.2.8.2-1-ubuntu64/bin:$PATH

# check installation