Category: Techie stuff

  • Headless encrypted boot with Fedora Server

    Here is a recipe for using encrypted boot on a Fedora Server system that does not have a monitor or keyboard attached during normal use. I’ll use Fedora 21 Server, and will have a dedicated encrypted volume group for data but leave the main operating system volume group unencrypted. The encryption key will be stored…

  • Patchutils now on GitHub

    Patchutils now lives here. That is all.

  • Fewer auth dialogs for Print Settings

    The latest version of system-config-printer adds a new button to the main screen: Unlock. This is a GtkLockButton attached to the “all-edit” polkit permission for cups-pk-helper. The idea is to make it work a bit more like the Printing screen in the GNOME Settings application. To make any changes you need to click Unlock first,…

  • Network printing

    It’s nearly two years since I wrote about session printing, in which the user doesn’t need to modify a locally running CUPS instance in order to print to a network printer. The main advantage of having printing running entirely in the user session is that no special privileges are needed. After all, all you need…

  • Dual Band routers vs mDNS

    Wanted to write this up in case someone else is scratching their head with the same issue. Some routers are able to use both 2.4 GHz and 5 GHz frequencies, allowing devices to appear as though they are on the same network regardless of which they use. These actually provide two different wireless networks, with…