fhem install archlinux
curl -O http://fhem.de/fhem-5.6.tar.gz
tar xf fhem-5.6.tar.gz
cd fhem-5.6
pacman -S make perl
make install
curl -O https://aur.archlinux.org/packages/fh/fhem/fhem.tar.gz
tar xf fhem.tar.gz
cp fhem/fhem.service /etc/systemd/system/
sed -i 's/forking/oneshot\nRemainAfterExit=yes/' /etc/systemd/system/fhem.service
useradd fhem
chown -R fhem /opt/fhem
cd .. ;
rm -rf fhem-5.6
cd /opt/fhem/
cp fhem.cfg fhem.cfg.org;
mv fhem.cfg.demo fhem.cfg
systemctl start fhem
systemctl enable fhem
update