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Category Archives: Articles

BASH and FreeBSD

By default, many Linux distro’s have a nice BASH prompt. If you’ve just installed FreeBSD, you might be wondering how to get a shell prompt you’re more used to, ie. BASH. By default, your shell is CSH. There are a few ways to install software using FreeBSD, whichever way you choose you will have to [...]

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Microsoft SQL Server Enterprise Manager

OK, so you’re asked to support or manage an application that uses MSSQL Server. For example, many web hosting companies offer MSSQL Server as their preferred RDBMS.
If you need to remotely access and/or manage a Microsoft SQL Server and don’t have access to a machine running the management tools (called Enterprise Manager, found on the [...]

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SMS Gateway How-To

This how-to will cover how to set up an SMS (Short Message Service) gateway using your own hardware and software. The intended audience is people that are reasonably comfortable with Linux/Unix and some type of scripting language.
Disclaimer: Use these instructions at your own risk. I assume no responsibility for any damage resulting from information contained [...]

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FreeBSD and adjkerntz (Adjust Kernel Time Zone)

If you run FreeBSD, have you ever noticed adjkerntz -a in your periodic list and wondered what the heck it is? Well, you’re not alone. It’s actually the kernel local time clock (or time zone) synchronisation utility.
As taken from the adjkerntz man page:
adjkerntz: adjust local time CMOS clock to reflect time zone changes and keep [...]

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Fixing BIND’s “loading master file master/localhost.rev: file not found” error message

Notice this in your logs?

named[18681]: starting BIND 9.3.0 -c /etc/namedb/named.conf
named[18681]: command channel listening on 127.0.0.1#953
named[18681]: command channel listening on ::1#953
named[18681]: zone 0.0.127.IN-ADDR.ARPA/IN: loading master file master/localhost.rev: file not found
named[18681]: zone 1.0.etc…IP6.ARPA/IN: loading master file master/localhost-v6.rev: file not found
named[18681]: zone 1.0.etc…IP6.INT/IN: loading master file master/localhost-v6.rev: file not found

Did you RTFM? Not to worry, this is easy [...]

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What is the EICAR Test Virus?

If you run anti virus systems - which hopefully you do, it is just as important to run regular tests to ensure they are working properly. The term “working” could be anything from making sure auto-updating is working, the engine itself is loaded, the engine is working, and that logging and/or alerting is working.
This article [...]

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Favicons Explained - What is a favicon? (Those tiny icons in your address bar)

A favicon is the name given to the little icon that appears in the address bar of your web browser when you visit most sites. The name favicon comes from the term Favourites Icon.
As well as your web browser’s address bar, favicons are also displayed in the list of bookmarks (in Mozilla) or favourites (in [...]

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