ptunnel: send/receive TCP traffic via ICMP reliably

Yes, it can be useful sometimes. For example, you have access to Wi-Fi network but you’re not allowed to access Internet via TCP/UDP as these protocols are blocked. At the same time ICMP is opened and you can ping everything alive in Internet. So, to check your email just have ptunnel installed and work around the restrictions set by the Wi-Fi network sysadmin easily. Ptunnel is an application that allows […]

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Long-awaited Pidgin 2.3.0 is out!

pidgin logo One of the best instant messengers named Pidgin (previously Gaim) released it’s latest version 2.3.0. According to developers’ description Pidgin is a multiprotocol IM client and it’s goal is to hide protocols from the user as much as possible (users have to know about individual protocols when they create or modify accounts, but in day-to-day communication and usage, the intent is that users don’t have to think about protocols at all).

Pidgin supports the following protocols:

Read full developer’s changelog here and download Pidgin from It’s available as source tarball, as binary packages for Fedora, CentOS/RHEL and other major Linux distributions, plus 2.3.0 version is ready also for Windows users.

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Sync Google Reader with Liferea

Liferea is the best aggregator for online news feeds especially 1.4.6 version. Some of it’s features really makes feeding life easier. It supports duplicate rss entries detection (see picture), and it’s surely one of the fastest feed readers I ever tried. Google Reader is very powerful and useful solution for RSS reading as well but sometimes it’s very important to have RSS entries offline. To move Google Reader subscription list […]

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Home video security with Zoneminder and Ubuntu

This weekend my colleague brought to our office simple 20$ webcam. I have to say that my previous attitude to such toys was quite ambiguous. But idea to build home/office video security system based on such webcam(s) and Ubuntu changed my mind especially taking into consideration extremely low cost of end system and it’s capabilities. First of all I was interested in events replay, multiple camera zones and web interface. […]

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Read CHM files in Linux

CHM is the file extension for Microsoft Compiled HTML Help that is a proprietary format for online help files, developed by Microsoft and first released in 1997 as a successor to the Microsoft WinHelp format. It was first introduced with the release of Windows 98 crap. There are three most popular tools to read CHM files in Linux: gnochm, xchm and kchmviewer.

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