Archive for the ‘System Management’ Category

Configuring periodic messages from FreeBSD servers

Per default, FreeBSD servers keep its system administrator informed about events from log files and results from periodic scripts. The information is regularly sent as electronic messages. However, the name of the sender of these electronic messages can be confusing, and, the recipient address might not be one, that is being read.
This procedure configures the [...]

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Making movies with Sony Handycam DCR-SX30, Ubuntu Linux and Kino

The Sony Handycam DCR-SX30 is a digital video recorder (DVR), that stores video clips in the MPEG program stream (PS, MPEG-PS) container format, that multiplexes one digital video channel and two digital audio channels. The video channel is MPEG-2 at a 16:9 wide screen frame resolution (dimension) of 720 x 576 pixels at a rate [...]

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Udskrift fra Navigator til laserprinter Brother HL-4050CDN

Dette er fremgangsmåden for udskrift fra finansprogrammet Navigator til laserprinter Brother HL-4050CDN, der understøtter netværk, farveprint og emulering (emulation) af HP LaserJet.
Tidligere modeller fra Brother har understøttet emulering af IBM Proprinter XL 24. Det er desværre slut med HL-4050CDN.
Det forudsættes, at laserprinteren er konfigureret på netværket, installeret i operativsystemet og lytter på LTP1.
Åbn en browser [...]

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Recording telephone calls

There are many reasons why call centers, front office desks and private persons want to record their incoming and outgoing telephone calls, such as improving their customer service, documenting incoming change requests, documenting arrangements, conducting interviews or collecting proof.
Popular methods of telephone call recording are induction coil microphone recording and in-line recording. An induction coil [...]

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Looking up records in network information centers (NICs) using WHOIS

The WHOIS protocol and the WHOIS servers are used to store and retrieve information about registrants and assignees of internet ressources, such as domains and addresses.
There are a number of different WHOIS servers. Five WHOIS servers covers regional areas of the world. Other cover specific interests. Well known WHOIS servers are some of the following.

The [...]

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Automatic graphical representation of structural information

Presenting structural information as graphics can be a tidious task for human, but, a perfect job for a computer.
In this example, we will install Graphviz on the Ubuntu operating system, which is an open source utility, that can read structural information from text format in the standard dot language and present it in graphics, such [...]

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Netbank på Mac, Linux og Unix

Ikke alle udviklere af hjemmesider er endnu så langt fremme, at de kan udvikle en hjemmeside, der overholder standarderne, så den kan afvikles i en vilkårlig browser på et vilkårligt operativsystem.
Argumentet fra sådanne udviklere er, at deres produkt er optimeret til Windows. Der er dog ikke tale om nogen optimering. Der er tale om, at [...]

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Open and uncensored DNS servers

Navigating the internet, such as visiting a website or downloading software, requires one or more domain names to be resolved.
These domain names are resolved by domain name service (DNS) servers – and most likely the DNS servers, offered by the internet service provider (ISP).
Unfortunately, DNS servers at the ISP might support other hidden features as [...]

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Installing the Ubuntu Netbook Remix operating system

Netbooks, also known as mini notebooks, are a rapidly evolving category of small, light and inexpensive laptop computers, that are perfect for general computing and web based applications on the go. Popular examples of netboks are the Asus Eee and the Asus Aspire One. The operating system on a netbook should support encrypted files and [...]

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Transferring and converting an address book from one mail client or computer to another

Transferring address books from a mail client or computer to another can be a problem. Converting it between different mail client software can be an even bigger problem. There are lots of conversion add-ons, tools and Unix oneliners available. However, this can be a time consuming task.
The solution is to convert using the standard address [...]

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