Archive for May, 2010

Deleting files without using the trash bin on an Ubuntu operating system

he trash bin on an Ubuntu operating system, and many other operating systems as well, is a desktop feature, that some users will find usefull upon accidental deletion of files. However, the trash bin uses a number of hidden directories in order to work. These makes a mess and takes up space on file systems. [...]

Read the rest of this entry »

Changing password on the Ubuntu operating system

hanging password on a Unix or Linux operating system is normally straight forward. However, changing password on an Ubuntu operating system can be a problem.
Let us test this. In our example, we want to have the password for a non privileged user changed.
We boot up an Ubuntu 9.10 operating system. We log on as a [...]

Read the rest of this entry »

Splitting and merging PDF documents

n this digital age, scanning of documents is an important part of the document handling proces. However, not all document scanners are user friendly – and fail to scan a number of paper documents into a single multipaged Portable Document Format (PDF). Instead, users end up with a number of PDFs. Some might even be [...]

Read the rest of this entry »

Automatic rotation, renaming and resizing of pictures

ometimes you need to share a number of raw pictures over the internet.
Raw pictures can have non-efficient file names from the digital camera. This makes them hard to organize and list. Raw pictures can be huge in file size. This is a problem for storage, backup, transfer, upload and download. Raw pictures can contain hidden [...]

Read the rest of this entry »

Digital Signatur fra DanID

Read the rest of this entry »