R71 IT Blog

In Perl, a hash lets you create a one-to-one association between a variable, called the key, and a value. We’ll show you the basics of Perl hashes and some useful tricks. One of the most useful constructs in Perl is the humble array, which lets you store more than one value in a single variable.…

In many situations, especially for web programming, you will find that you want to put certain things, such as backslashes or quotes, in your text that aren’t allowed in a traditional print statements. A statement such as print "I said "I like mangos and bananas". "; will not work because the interpreter would think that…

Regular expressions A regular expression is contained in slashes, and matching occurs with the =~ operator. The following expression is true if the string the appears in variable $sentence. $sentence =~ /the/ The RE is case sensitive, so if $sentence = "The quick brown fox"; then the above match will be false. The operator !~…

Perl supports four main loop types: while for until foreach In each case, the execution of the loop continues until the evaluation of the supplied expression changes. In the case of a while loop execution continues while the expression evaluates to true. The until loop executes while the loop expression is false and only stops…

A guide to authenticate Samba on a HP UX 11.23 system to Microsoft Active Directory running on W2003 R2.

To find out which of you Windows Domain Controller actually is the PDC, execute te following command and check the output: C:\>nbtstat -a <name of your domaincontroller> Local Area Connection:Node IpAddress: [10.20.113.228] Scope Id: []            NetBIOS Remote Machine Name Table        Name               Type         Status    ———————————————    <name of your domaincontroller>        <00>  UNIQUE      Registered    <name of…

The command list and some extra info.

Très cool, le VMworld à Cannes. Oui, c’est vrai, last month I visited VMworld in Palais des Festivals et des Congrès de Cannes. Where once a year film stars are being celebrated, computergeeks now had the power! Virtual power, so to speak. For three days. And just in the Congrès building, not during the night.…

Joomla! Extension: Xmap Xmap is a Joomla! extension based on the popular Joomap component. Xmap allows you to create a map of your site using the structure of your menus. Detail Information You can add your sitemap to your Google account in Google Sitemap to provide it with additional information about your site. The objective…

Here we have an overview of the commands I used while connecting two HPUX machines to two Clariion CX340 storage adapters (4 paths to the storage).

The upgrade of VirtualCenter 2.0 to 2.5 is the first step of upgrading VMware Virtual Infrasctructure 3.0x to 3.5. In this article I'll describe the steps I took to upgrade VirtualCenter. The upgrade is not hard and you don't have any downtime. You can do it during office hours, even if you have lots of…