Archive for December, 2009

Installing a network laser printer in Ubuntu 9.10

In this example, we will be installing a Brother HL 4050 CDN color network laser printer in Ubuntu 9.10.
Prior to this, network has been configured, such as static IP address and domain name for the printer.
We click “System”, “Administration”, “Printing”, “New” and “Printer”. The network is now searched for available printers and the results is [...]

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Single user mode on FreeBSD

On a multi user operating system, such as FreeBSD, it can be necessary to be able to perform critical system administration tasks without outside interference. This is eliminated by switching the operating system into single user mode.
This is the procedure to go into single user mode on a FreeBSD operating system.
In our example, the boot [...]

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Blocking incoming calls and messages on a mobile phone

In our example, we want to configure a Nokia 5800 mobile phone to be able to

block incoming calls from hidden numbers,
block incoming calls and messages from numbers, that are not listed in the address book, and
block incoming calls and messages from specific numbers.

When such incoming call is made, the caller should be automatically rejected by [...]

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