Symptoms: after changing hardware (motherboard, NIC, virtual machine setup etc.) network connections are no longer available. ifconfig does not list the connections, although the adapters are displayed by ifconfig -a. ifup eth0 returns “Ignoring unknown interface eth0=eth0.”
The following terminal command will recursively convert .EPUB books in the current directory to Kindle MOBI format. The original files are kept. The ebook-convert program is part of calibre package (in Ubuntu and similar, run sudo apt-get install calibre).
While writing a new bitbake recipe, I stumbled upon this: The recipe is obviously present, but it can not be found by bitbake. Turns out, this is because of an illegal underscore in the recipe name (directory name too). You should use “-“, underscore is used for version separation
Symptoms: Boot OpenEmbedded Linux system (probably other distributions as well) with the network cable unplugged. ifconfig shows eth0:avahi interface with a dummy IP address Plug in the Ethernet cable – no changes in ifconfig. I expected DHCP to assign an IP address ifdown eth0 && ifup eth0 solves the problem, but is inconvenient and can… Read More »
I’m starting to self-host my blog. That also means changing the blog engine from Serendipity to WordPress. I hope all will run smooth after the upgrade
I have spent a couple of days scratching my head while trying to configure USB network gadget adapter. The platform is OpenEmbedded Linux on AT91, connected to a Windows 7 PC. Here we go: The first small problem was that the network connection shows up as ‘cable disconnected’ in Windows. It is solved by putting… Read More »
Today I ran through an exercise of restoring a ZFS pool. The beginning of one hard drive participating in the pool (no raidz) was incidentally overwritten.. by me. I’m glad I noticed the mixup and cancelled dd, but still 60MB was gone. I spent a few evenings analysing and fixing the MBR, partition table and… Read More »
VirtualBox does not support resizing its virtual storage devices. As a workaround, a new bigger VDI is created and the existing partition(s) are moved to the larger drive. This tutorial gives instructions on how to expand storage for Ubuntu Linux guest machine.