Some of the character classes to use in regular expressions. alpha Any letter, [A-Za-z] upper Any uppercase letter, [A-Z] lower Any lowercase letter, [a-z] digit Any digit, [0-9] alnum Any alphanumeric character, [A-Za-z0-9] xdigit Any hexadecimal digit, [0-9A-Fa-f] space A tab, new line, vertical tab, form feed, …

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How to burn CD’s using only bash. First create an iso with the following command: mkisofs -o HomeMovie.iso -J -r -V HomeMovie Movie.avi Movie.srt In this example:

-o names the new .iso image file (HomeMovie.iso) \ -J uses Joliet naming records, for Windows compatibility \ -r uses Rock Ridge naming conventions for …

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This article shows how you can use the WebScarab bean shell to modify requests and responses that are transmitted and received by WebScarab. Description of WebScarab taken from the OWASP WebScarab project website: “WebScarab is a framework for analysing applications that communicate using the HTTP and HTTPS protocols. …

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The following table translates the traditional netmask format to its CIDR notation. Additionally you can see how many addresses can exist in a subnet with a certain netmask. php $headers = array(“Netmask”, “CIDR”, “Nr of IPs”); $rows = array(); $rows[] = array(“255.255.255.255”, “32”, “1”); $rows[] = …

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