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How to monitor traffic at Cisco router using Linux (Netflow)

By default Cisco IOS doesn’t provide any traffic monitoring tools like iftop or iptraff available in Linux. While there are lots of proprietary solutions for this purpose including Cisco Netflow Collection, you are free to choose nfdump and nfsen open source software to monitor traffic… Read More »How to monitor traffic at Cisco router using Linux (Netflow)

Linux as slave USB drive?

  • Linux
  • 1 min read

Does anybody know if it’s possible to make Ubuntu/Linux laptop to work as a usb slave drive? Here are people who also need this but still didn’t find any workable solution: http://ubuntu-ky.ubuntuforums.org/showthread.php?p=7780737

Create Encrypted Filesystem Within a File (truecrypt way)

Some time ago I’ve written an article named 16 GB encrypted candy file describing how to create encrypted filesystem within regular file. After quick research it became clear that cryptoloop is vulnerable and there is open exploit available on the web: see it here (thanks to everybody who commented that article). So I don’t recommend to use cryptoloop but instead take a look at truecrypt that makes it possible not only to encrypt whole storage but also to create encrypted file just like I’ve described in 16 GB encrypted candy file article.

Read More »Create Encrypted Filesystem Within a File (truecrypt way)