Download activity data from Garmin Forerunner 310XT on Linux

My everyday computer is running CentOS. There is no way install Garmin connect to upload data from my old 310XT. I am sure there are other ways to do so, but the following works for me.
There are two software packages need to install: openant and ant-fs.

1. Steps to install openant
 git clone https://github.com/Tigge/openant
cd openant
sudo python setup.py install

2. steps to install ANT-FS
git clone https://github.com/Tigge/antfs-cli
cd antfs-cli
sudo python setup.py install

3. Pair your ant receiver with your watch
antfs-cli  --pair

4. Read data from your watch
antfs-cli 
The downloaded fit data from your watch is saved at
~/.config/antfs-cli/###/activities/