For me one of the most annoying thing from VMware is the VMware Infrastructure Client, because it doesn’t support Linux. Every-time when I want to manage some machines, or I want to see the IP/Status/etc of some machines, I need to log on on some Windows Server and run the VMware Infrastructure Client from there. Because I’m running exclusively on Linux (Debian 5.0.1 Lenny) on my workstation, this can be very annoying. Anyway, VMware VirtualCenter is exposing to us a set of web services who can control your VMware ESX …

Limiting abusers from running 20 download threads from the same Apache server is easy now with mod_limitipconn. But the apache 2 module, mod_limitipconn, is not available under the latest Debian distribution, Lenny. In this mini how-to I will show you how-to manage this module to work for Debian Lenny users. The compile process of mod_limitipconn is a little bit more than “make install”.
First install apache prefork development utilities (we need apxs2 to compile our module)

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Why you should do that? All this ports, by default, are allocated dynamically and if you want to use a firewall between your client and JMS broker then you should have static ports assigned. Another solution is to tunnel through httpjms and httpsjms protocol but this are slow. In the next article I will show you how to assign static ports to this JMS service in Glassfish. To show you the all ports what need for JMS I just “ripped” the following table from SUN Site: http://docs.sun.com/app/docs/doc/820-4916/gcuhq?a=view

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Gpg is stands for Gnu Privacy Guard and is a free alternative to the PGP cryptographic software. GnuPG (or GPG) follows the RFC 4880 which is the standard specification of OpenPGP. The most important thing GPG is interoperable with PGP. GPG is build as a command line utility but also have several front-ends for KDE, Gnome and other Linux desktops, but also is directly integrated in other software like: Email Clients as Mozilla Thunderbird, Evolution, Kmail, Instant Messaging as PSI, Fire, Browsers as Mozilla Firefox etc.

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This article will cover the DNS dynamic updates and DHCP DNS updates. I assume you already followed my last 2 articles “Linux ISC DHCP Server under Debian and Ubuntu” and “Linux ISC DHCP Server failover under Debian and Ubuntu” and I assume you have minimum skills in configuring ISC BIND dns server.
Why Dynamic DNS with DHCP ? Beacuse is hard to remeber IP’s for all type of devices. Managing a Dynamic DNS is more simple than learn everytime new ip’s from your network. Also this configuration in big networks …