Untimely meditations
One man's thoughts, observations and rants
Welcome to the personal blog of Joop Beris. I blog about a wide variety of topics, ranging from atheism to information security and lots in between. I welcome feedback on my articles but there are some guidelines. Feel free to share articles you like by using the sharing buttons but please give me credit if you want to share something. Also, check out my privacy policy and other legalese.
Below you’ll find the most recent things I’ve written. Feel free to check them out, leave a comment and share them with others who might be interested.
Latest posts
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Migrating spamassassin from db files to MySQL
In this post, we’ll take a look at how to migrate spamassassin from the default db files to a MySQL database. The assumption is that you have a working mail server that already does spam scanning and where spamassassin stores its information in the default db files. In order to improve speed, especially for auto-expiry…
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The ssh files (2)
Welcome to the second instalment of the ssh files. In this instalment, we’ll be taking a look at logging in without a password, using public key authentication. The major benefit of logging in through public key authentication, is that you will only have to remember the pass phrase of your key and no longer a…
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Door to door spam
Online or offline, we are constantly bombarded with all kinds of messages trying to convince us to buy this or give money to that. I tend to be a little allergic to advertising messages.I tend to be a bit careful with the kind of information I want to allow in. Well, I’ve got that pretty…
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The ssh files (1)
If you have ever had to administer Linux (or Unix) servers, you are probably familiar with ssh, the secure shell client. For those of you not familiar with ssh, think “telnet on steroids”. For those of you not familiar with telnet or ssh…what are you doing administering servers? Ssh is like the Swiss army knife…
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Drivers from hell
I don’t know why but generally it seems that the Dutch are simply poor drivers. For instance, when there’s fog, rain or snow, you get either people who panic and suddenly think it’s best to drive at a speed that would embarrass an asthmatic hippo. Or you get people that drive on with an attitude…
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How to use Postfix as a frontend for MS Exchange
This article explains how to use Postfix as a frontend for MS Exchange, with integrated spam filter and virus scnning. The base for this setup is openSUSE Linux 11.3., but it should work for most other distributions out there. It assumes you already have a running installation of Linux. We’ll be using postfix, amavisd-new, clamav…
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Recent comments
I just opened my eyes right now at age of 15 for being problematic kid, when I was 5-14 I’m…
Thank you for sharing that! If my small site has helped you even a little bit to break free from…
sites like these really broke me free of the fear of religion. As a kid I stayed up at night…
I believed in God for 43 years . Made sure my kids believed . I went into a 9 month…
“There are two different kinds of people in the world: those who want to know, and those who want to believe.”
Friedrich Nietzsche
Philosopher
They helped me too so thank you