Apple has earned itself a name for producing durable computers. My MacBook is now 9 years old and while it still works fine, it has grown increasingly slow and has lately been spinning its fan up like crazy. Time to open the case and fix the issue.
Ubuntu is moving away from the old /etc/network/interfaces or /etc/network/interfaces.d/*.cfg style of configuration towards netplan. Unfortunately nobody seems to have thought about dummy network interface support. There seems to be a workaround with a bridge device without attached interfaces, but I could not get netplan to assign IP addresses to that bridge interface and it furthermore leads to the boot-up process hanging for a few minutes.
I therefore stick with the old /etc/network/interfaces for now and work around a bug with the dummy module initialization in 18.04 like this:
auto dummy0 iface dummy0 inet static address 10.0.0.1 netmask 255.255.255.0 pre-up rmmod dummy; modprobe dummy numdummies=4
The last line did the trick.
Pre-2011 Macs store the system password in a very insecure way which permits easy password recovery if the user can boot into the system and has root / Administrator priviledges. This post details how to simply erase or recover that system password. Continue reading
Gerade meine museale Espresso-Maschine repariert. Und da sage nochmal jemand ein Elektrotechnik-Studium lohne sich nicht…
