[Reference Site]
Go to follow web site: https://packagecloud.io/github/git-lfs/install
Then following as:
# Copy above web site
$ curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | sudo bash
# Install Git LFS
$ sudo apt-get install git-lfs
# Go to upload directory that has file over 30MB
$ cd $(upload directory)
$ git lfs install
# For example file name is "example.gif" in src folder
$ git lfs track "./src/*.gif"
# add .gitattributes
$ git add .gitattributes
# Then same other procedure follow as:
$ git commit -m "~"
$ git push origin main