October, 2011
Encrypt your USB Stick
Encrypt your USB Stick with cryptsetup or TrueCrypt on Ubuntu. 1. Use cryptsetup 1.1 Install cryptsetup: aptitude install cryptsetup 1.2 Setup cryptsetup volume: Unmount the stick and format it: umount /dev/usb1 cryptsetup luksFormat /dev/usb1 Type “YES” an choose a password. Open the crypt partition: cryptsetup luksOpen /dev/usb1 crypt_USB Create new Filesystem and mount it: mkfs.ext4 […]
Fix Ubuntu 11.10 Oneiric Ocelot dbus Problem
After uprade to Ubuntu 11.10 Oneiric Ocelot i get the following message during the system boot: Waiting for network configuration It takes a long time and leads to a black screen. You can see the following message sometimes, too. Unable to connect to the system bus: Failed to connect to socket /var/run/dbus/system_bus_socket: Connection refused The […]
Convert PDF to Image
Using “convert” from “imagemagick” to convert a PDF to Image. Example: convert -geometry 1024×768 -density 200 -colorspace RGB input.pdf output.jpg Or use a other geometry, quality and no color: convert -geometry 2048×1536 -density 400 -colorspace gray input.pdf output.jpg Links: * http://www.imagemagick.org/script/convert.php