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How to install .ttf fonts in Xubuntu

Fonts only for your user

mkdir ~/.fonts
cp <myfont.ttf> ~./fonts/

Or system wide fonts

cp <myfont.ttf> /usr/share/fonts/truetype/

Then reload the fonts cache

sudo fc-cache -f

No frills DVD ripping tool

I found out an incredible useful utility to copy a DVD to hard disk.
Vobcopy copies DVD .vob files to harddisk, decrypting (if you have libdvdcss installed) them on the way (thanks to libdvdread and libdvdcss) and merges them into file(s) with the name extracted from the DVD. It checks for enough free space on the destination drive and copies into files of 2GB size into the current working directory.

apt-get install vobcopy

To start ripping:

vobcopy -l /dev/sr0

in Xubuntu 14.04 the optical device is /dev/sr0, the option -l (large-file) avoids the 2GB split so that we will get a unique single file .vob

Virtualbox: convert VDI/VMDK to physical disk and viceversa

VirtualBox command-line interface (VBoxManage) provides an easy way to convert VDI/VMDK disk images to the raw format and vice-versa.

 

Convert VDI to raw image, be sure to have enough room on disk:

vboxmanage clonehd disk.vdi disk.raw --format RAW

 

Convert raw to the VDI format (VirtualBox):

VBoxManage convertdd disk.raw disk.vdi --format VDI

 

Convert raw to the VMDK format (VMware):

VBoxManage convertdd disk.raw disk.vmdk --format VMDK

 

Convert between VDI/VMDK formats:

VBoxManage clonehd disk.vdi disk.vmdk --format VMDK
VBoxManage clonehd disk.vmdk disk.vdi --format VDI

 

To write  the raw image to the physical disk

sudo dd if=disk.raw of=/dev/sdx bs=8MB

To monitor what dd  is doing we can type from another terminal:

watch -n2 'sudo kill -USR1 $(pgrep ^dd)'

 

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