Adding virtfs 9p root support to a Debian init ram disk
Boot Debian from a QEMU virtfs share by rebuilding its initramfs with 9p modules—then learn why package-manager filesystem semantics can make a disk image the safer choice.
Using an HP DesignJet 755CM plotter under OS X Yosemite
Keep a legacy wide-format printer useful on Yosemite without relying on obsolete VISE installers. A manually installed PPD and HP JetDirect can restore output while avoiding paper-wasting PostScript error pages.