```sh
apt-get install python2.7-dev python-fuse
apt-get install python-pyxattr
- apt-get install linux-libc-dev libacl1-dev
+ apt-get install pkg-config linux-libc-dev libacl1-dev
apt-get install acl attr
apt-get install libreadline-dev # optional (bup ftp)
apt-get install python-tornado # optional (bup web)