Linux: Failed to start Raise network interfaces - this is how to fix the problem

Failed to start raise network interfaces - is a bug that is more common in Debian systems like Ubuntu. To fix the problem:

Fix problem: Failed to start raise network interfaces

The error message comes from a problem with systemd / udev's predictable network interface names.

• To fix the problem, do the following:
• Create the file "/etc/udev/rules.d/10-rename-network.rules".
• In the first line of the file write: SUBSYSTEM == "net", ACTION == "add", ATTR {address} == "ff: ff: ff: ff: ff: ff", NAME = "eth0"
• For "eth0", enter your desired name for the network interface and for "ff: ff: ff: ff: ff: ff" the MAC address of the interface. You determine this with the command: ifconfig -a
• Then restart your system.

Another practical tip tells you how to install your own DHCP server on Ubuntu.