How to assign range of IP addresses in Linux?

As we know Linux allows to assign almost unlimited number of IP addresses to its interfaces. Such additional IPs applied to the same NIC are known as secondary IP addresses or just secondaries. Some time ago i faced a problem on how to apply about 500 IP addresses to one Linux box and then ensure that all of them get online after Linux reboots. There are several ways to accomplish […]

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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 of one or many Cisco routers and get detailed monitoring data through your Linux command line or as graphs at absolutely no cost. Below is […]

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16 GB encrypted candy file

Update: as far as cryptoloop is vulnerable and is not maintained I don’t recommend using below approach for creating encrypted for for those of you who require strong security. Use truecrypt to create encrypted filesystem within a file instead. Today it came to my mind that it is time to make sensitive information stored on my usb flash drive encrypted but still transportable and easy to use. But I don’t want […]

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Google Chromium OS!

Today Google has announced operating system Google Chromium OS. It still not ready to end users as is under deep development but now everyone can see its concepts, benefits and nature. Astonishing news as for me. There were a lot of rumors about Google OS (gos) before it was presented to the public in real. Now it’s clear that the most promising OS these days is based on Linux kernel. […]

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GIMP to be removed from Ubuntu?

This could be an outstanding news by its significance. The next version of Ubuntu (Lucid Lynx or Ubuntu 10.04) won’t include GIMP (GNU Image Manipulation Program) by default due to its user interface that is too complex… What a #@^*? Actually complex UI is not the only decision why GIMP should be vanished from Ubuntu so here is the full list: the general user doesn’t use it its user-interface is […]

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