Mount your Flickr account as regular Linux drive

Flickr is an extremely popular image/video hosting website, web services suite and an online community platform. It was one of the earliest Web 2.0 applications. In addition to being a popular Web site for users to share personal photographs, the service is widely used by bloggers as a photo repository. It hosts more than two billion images. Now it is possible to mount your Flickr account on Linux PC as […]

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Install Ubuntu as Windows XP/Vista Application (with Wubi)

Today it is possible to install Ubuntu Linux 8.04 (Hardy Heron) under Windows XP or Vista without necessity to create separate partition for it. The tool that allows to do it is called Wubi. Actually it is Ubuntu installer for Windows helping you ro install and uninstall Ubuntu with few clicks. Here is nice brief article on how to set it up under Vista: Wubi adds an entry to the […]

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OpenBSD: Secure Mail Server with Postfix, MySQL, ClamAV, SpamAssassin, Amavis-new

Few days ago I started configuring corporate mail server that should be deployed on OpenBSD and comprise the following features: Easy to configure and powerful MTA (Postfix) Virtual domains and user accounts (this information is stored in MySQL database) Antispam and antivirus checking for all accounts (spamassassin and clamav via amavis-new) Secure access to mailboxes through POP3, IMAP and HTTP (squirellmail) Secure SMTP server Extremal Stability and Security Actually OpenBSD […]

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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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Tiny perl script for UDP flooding

Sometimes it is necessary to perform UDP flood towards some network device(s) in order to test its behavior in stress… Actually I am sure that every system administrator might use this small perl script for this purpose. Certainly there are many special programs for this but believe me that it is much more easier to do the following: 1. #touch > /tmp/flood.pl 2. #chmod +x /tmp/flood.pl 3. Copy the this […]

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