Category Archives: FreeBSD

Email and malware dissection, Part I

Posted on September 10, 2014 by Jacco

Phishing, Trojans, Worms and other malicious activity in email. These series of posts make quite a lengthy write-up on how to use Unix shell script and Perl to dissect large amounts of email all at once without disrespecting email privacy … Continue reading →

Posted in email, FreeBSD, IT Security, Linux, Mac OS X, malware, Perl, Shell script | Tagged , , , , | Comments Off on Email and malware dissection, Part I

Tinkering with file encryption

Posted on July 4, 2014 by Jacco

Storing files overseas or “in the cloud” has become somewhat of an issue lately with spying activities of various nations. I think we’ve just seen the top of the iceberg, but at the same time I hope I’m wrong. In … Continue reading →

Posted in Crypto, FreeBSD, IT Security, Mac OS X, Shell script | Tagged , , , , | Comments Off on Tinkering with file encryption

Encrypted FreeBSD USB boot disk

Posted on April 1, 2013 by Jacco

It appears that USB attached storage devices resemble what floppy disks were back in the nineties. Back then, transporting floppies from one computer to another was very common. Unintentionally spreading malware and losing disks also. The risk of spreading malware … Continue reading →

Posted in Crypto, FreeBSD, IT Security | Tagged , , , | Comments Off on Encrypted FreeBSD USB boot disk

Booting FreeBSD from a USB disk

Posted on November 28, 2012 by Jacco

Open source software has found its way in every corner of the IT industry. Which is great, as it provides possibilities that were otherwise to expensive to pursue. In general, there is (at least) one down-side to using open source … Continue reading →

Posted in FreeBSD | Tagged , , | Comments Off on Booting FreeBSD from a USB disk

PFlogging 2.0

Posted on February 28, 2012 by Jacco

It’s no secret that I’m a big fan of computer systems that are running a Unix-like or Unix-derived operating system. There are quite a few around me right now, running FreeBSD, Linux-Mint and Mac OS X Lion. I have a … Continue reading →

Posted in FreeBSD, IT Security | Tagged , , , , , | Comments Off on PFlogging 2.0

Creating FreeBSD jails disregarding the manual

Posted on September 28, 2011 by Jacco

Computer virtualization has been around for quite some time as any mainframe guru will tell you. If you search around the Internet for information on this subject, you’ll find tons of references to different types of virtualization. VMware, Virtualbox, Qemu … Continue reading →

Posted in FreeBSD | Tagged | 1 Comment