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pdfimages is a PDF image extractor utility/tool under Linux operating system. It can extract images from PDF file and save them under either Portable Pixmap(PPM), Portable Bitmap(PBM) or JPEG/JPG files. This utility should be installed by default in Ubuntu Hardy, at least it is the case in my installation. If not, you can run the following command to install the utility tools: [ Read More ]

How to Open a RAR File in Ubuntu

A program called unrar is used to uncompress a .rar archive file in Linux. It is not installed by default in Ubuntu. To install it, simply run the command:

sudo apt-get install unrar

You will get

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
unrar
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 96.9kB of archives.
After this operation, 246kB of additional disk space will be used.
Get:1 http://au.archive.ubuntu.com hardy/multiverse unrar 1:3.7.8-1 [96.9kB]
Fetched 96.9kB in 2s (34.9kB/s)
Selecting previously deselected package unrar.
(Reading database ... 117487 files and directories currently installed.)
Unpacking unrar (from .../unrar_1%3a3.7.8-1_i386.deb) ...
Setting up unrar (1:3.7.8-1) ...

You can see that it requires the multiverse repository. So if your installation complains something, try to update your source.list first.

To unrar .rar files, simply use command:

user@www$ unrar x <filename.rar>

See the man page for more options:

user@www$ man unrar

Have fun.... [ Read More ]

Hardy Heron Sound Problems In Flash?

I was unable to hear the sound from Flash video when playing in browsers, either in Firefox or Opera in Ubuntu Hardy. However, the musics are playing fine in Rhythmbox player. [ Read More ]

Ubuntu Install GDesklets

GDesklets is a GNOME program which provides the architecture for small desktop widgets to be placed on top of the user's desktop. The applets placed on the desktop are meant to be quick ways for the user to retrieve information and not get in the way of normal activity. [ Read More ]

Force Mounting NTFS Filesystem

I recently upgraded Ubuntu from Gusty to Hardy, it did not go very smoothly and I faced some issues and problems. NTFS mounting issue was the one I just realised. [ Read More ]