I’m making a post about this because I ran into this today and I couldn’t remember how to rename a file starting with — (two or double hyphens) in Linux (e.g. –index.html). The customer has obviously used a Windows FTP client to rename index.html to –index.html so it is out of their way, and now me, the server administrator or company sysadmin, has come along with my migration script to relocate it and it has fallen over, crashed, and burned!
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How do I block port number with iptables under Linux operating systems?

Port numbers which are recognized by Internet and other network protocols, enabling the computer to interact with others. Each Linux server has a port number (see /etc/services file). For example:
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AirVideo is a Client/Server-Mediaplayer, which allows you to stream videos directly from your PC to your iPhone. Its server software started as Windows-/Mac-only but now there’s also a Linux server module available, too.
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This document can be a used as a rough guide to installation of CIITIX-VOIP on a persistent media. It also describes the basic usage.

CIITIX-VoIP is a carrier grade VoIP server distribution, leveraging upon the great efforts of the open source community. CIITIX-VoIP is based on rock solid Debian Lenny. This distribution comes as a turn-key solution to any company (small, medium to large scale) wishing to deploy a SIP-based presence service à la Skype. Laced with accounting, NAT and DB backend based features, setting up a SIP based setup is a breeze, achievable within 7 minutes. Visit their site (http://ciitix.ciit.net.pk) for more information.
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This tutorial shows how you can monitor your Linux server with a tool from Bijk – with email and SMS alerts. Bijk is an open source application, for creating live graphs and alerts, thus monitoring your server performance. With the Basic version of Bijk, you can easily set up email alerts for monitoring almost everything on your server (system overload, disk space usage, Apache troubles, MySQL, etc.).
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