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Introduction to Linux - A Hands on Guide
This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.
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applies to: Python, wxPython (v.2.8), wxWidgets, wx.PrintPreview, wx.Printout
When creating wx.PrintPreview class, you must pass 2 parameters of wxPrintout class (see doc)
If someone (like me) gets a silly idea of passing the same instance of wxPrintout class as both parameters, on closing the preview frame he will get segmentation fault or double free error.
Example (don't do this!):
applies to: linux, udev, permissions, device node, virtualbox
To allow raw host disk access by guest machine on VirtualBox the user must have read-write permission to all partitions which are to be accessed. You can do this by something like
sudo chmod a+rw /dev/sda7
but executing it every time you need to boot virtual machine is annoying. You may want to set the permissions at boot time.
In modern kernels (since 2.6) you can use the udev rules for setting default...
applies to: KMail, Evolution, Perl, POP3, mail client
Unfortunatelly my favourite mail client (Kmail) cannot leave messages on the POP3 server while retrieving them and delete them later, eg. when they are moved to 'Trash" folder (like Thunderbird). The same applies to Evolution. Of course I know there are IMAP servers, but that's not the solution I like most. I also did not want to periodically erase all messages left on POP3 server. I did not find any reasonable solution, so...