Troubleshooting

After having created images with hard work, you wish to protect your copyright on the images. Watermarking the images is an excellent method prevent any commercial misuse of images. And it can be done easily using the wonderful open source image editing software, Gimp.

We will look at the process of watermarking images with an example. ...

If you are looking for Xtns menu of toolbox, don't, as, starting with Gimp version 2.6 the Gimp developers have removed the toolbox menu bar and merged it with the image window menubar. To make a logo, go to the image window menu bar. Select File -> Create -> Logos. Under Logos, you may ...

A new Linux kernel was built using the commands, make gconfig, make, sudo make install and sudo make modules_install. After building a new Linux kernel and booting from it, the boot process halts with the following message:

kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

A lot many drivers ...

While running a GTK+ based C program under Cygwin, the following runtime error is observed,

Gtk-WARNING **: cannot open display:

SOLUTION

1. Make sure that Cygwin/XServer is installed and is running. If it is not installed, download the relevant packages from Cygwin.

2. Make sure that environment variable DISPLAY is defined ...

A C program was compiled under Cygwin and run directly under Windows. The following runtime error was observed,

cygwin1.dll not found

SOLUTION

Make sure that the environment variable, PATH, has the directory C:\gygwin\bin which contains the dll, cygwin1.dll.

On Windows Vista, this can be ...

Multi-boot systems with Linux and Windows are quite common. With the following steps, it is easy to access Windows partitions under Linux.

1. Examine the disk partitions. For example,

sudo fdisk -l

gives the output,

Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of ...