# Download latest kernel and install:
wget http://fox-exe.ru/WDMyCloud/WDMyCloud-Gen2/Debian/Dev/Debian-kernel-bin_4.15.0-rc6.tar.gz
tar xvf Debian-kernel-bin_4.15.0-rc6.tar.gz -C /

# Cleanup:
# Remove old network controller records:
rm /etc/udev/rules.d/70-persistent-net.rules
# Remove all "ipv6" records (lines of code) from /etc/network/interfaces
sed '/ipv6/d' /etc/network/interfaces -i
sed '/inet6/d' /etc/network/interfaces -i  

# Reboot
sync && reboot

# Remove old kernel modules:
rm -r /lib/modules/3.10.70+


###############################
# OS upgrade (Wheezy or Jessie to latest stable release (Stretch))

# Replace apt repository:
cat << EOF > /etc/apt/sources.list
deb  http://deb.debian.org/debian stable main contrib non-free
deb-src  http://deb.debian.org/debian stable main contrib non-free

deb  http://deb.debian.org/debian stable-updates main contrib non-free
deb-src  http://deb.debian.org/debian stable-updates main contrib non-free

deb http://security.debian.org/ stable/updates main contrib non-free
deb-src http://security.debian.org/ stable/updates main contrib non-free
EOF

# Do upgrade packages/software/system:
apt update
apt upgrade
apt dist-upgrade