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Newsflash |
atwork di Alberto Turelli - soluzioni software & web.
- Certificazioni GNU/Linux LPIC-1 e LPIC-2
- Certificazioni MySQL 5.0 Developer e DBA
- Consulenza relativa a GNU/Linux (Debian in particolare) e al software libero
- Migrazione di server, workstation e reti da Windows a GNU/Linux
- Installazione, configurazione e manutenzione dei seguenti servizi su piattaforma GNU/Linux:
- Server web (Apache, Tomcat)
- Server database (MySQL)
- Server email (Postfix, Qmail, Courier) con filtri antispam (Spamassassin) e antivirus (ClamAV)
- Configurazione ed amministrazione di reti GNU/Linux e di reti miste (Windows, GNU/Linux, BSD, Unix, Mac OS X)
- Progettazione e realizzazione di database e applicativi web-based (HTML/CSS/Javascript, PHP, JSP e MySQL)
- Sviluppo software in Java
- Installazione, configurazione e manutenzione portali con Joomla! e Mambo
- Corsi GNU/Linux: introduzione, amministrazione del sistema, server, desktop, sicurezza
- Corsi per certificazioni: GNU/Linux (LPIC-1 e LPIC-2) e MySQL (Core, Professional, 5.0 Developer e 5.0 DBA)
my personal homepage
my personal blog
via Trebeschi, 69 - Castegnato (BS) - Italia
tel. +39 328 6110095
Partita IVA 03595310172
email info CHIOCCIOLA atworkonline PUNTO it
private email alberto DOT turelli AT atworkonline DOT it (GPG key)
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NewsForge :: The problem with random number generators |
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Written by bibe
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Tuesday, 02 May 2006 |
It is a commonly accepted fact that computers by themselves cannot generate truly random numbers, and so most software relies on pseudo random numbers. This means that encryption and other applied uses of "random" numbers may not be as secure as users think. However, it is possible to expand the boundaries of generating random numbers using a computer. The most common way to do that is to use indirect input, such as the system clock. Other methods rely on direct human input.
Read more on NewsForge |
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Users On Net :: Building an updated Fedora Core 5 DVD |
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Written by bibe
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Tuesday, 02 May 2006 |
One of the things which has always ticked me off is making a clean fedora install, and then having hundreds of megs of patches to download the first time "yum update" is run. However, building a patched install dvd is actually pretty simple.
Read more on Users On Net |
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DebianHelp :: Centralized Syslog Server Using syslog-NG with web Interface using php-syslog-ng |
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Written by bibe
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Friday, 28 April 2006 |
Central Log Management System is a simple web based logging system which allows logging all syslog messages from various Network Devices, Unix, Linux, Solaris and Windows Servers. This allows the visibility of logs from all these devices in one single interface.
Read more on DebianHelp |
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Linux.com :: Manipulating PDFs with the PDF Toolkit |
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Written by bibe
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Friday, 28 April 2006 |
Creating and reading PDF files in Linux is easy, but manipulating existing PDF files is a little trickier. Countless applications enable you to fiddle with PDFs, but it's hard to find a single application that does everything. The PDF Toolkit (pdftk) claims to be that all-in-one solution. It's the closest thing to Adobe Acrobat that I've found for Linux.
Read more on Linux.com |
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PuntoInformatico :: Consulenti IT? Informatici da usare |
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Written by bibe
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Friday, 28 April 2006 |
Oggi riuscire per un professionista ad offrire servizi e soluzioni adeguate ad un cliente č sempre pių difficile. Il rutilante mondo dell'Information Technology italiano, via via diventa una strada tortuosa e meno percorribile di un tempo, sopratutto da chi vuole offrire la propria professionalità e non vendere. Con vendere voglio sottointendere la vendita di servizi "aggiuntivi" che eufemisticamente potremmo dire "superflui".
Leggi l'articolo su PuntoInformatico |
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Linux Journal :: Theoretical Hacking for IT Managers |
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Written by bibe
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Thursday, 27 April 2006 |
"Not everyone has 'l33t skilz' or mass amounts of hardened TCP/IP stack programming experience. When I'm at work, I don't look at logs all day long, nor do I run security audits every five minutes. I do my job, which takes all of my time. This is the situation for most small to medium sized companies that have only a few IT guys. So how does an everyday IT guy handle the constant threat of impending attack?
"Keeping up with the latest security threats in a mixed OS environment is virtually impossible..."
Read more on Linux Journal |
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Free Software Magazine :: Writing device drivers in Linux: A brief tutorial |
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Written by bibe
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Thursday, 27 April 2006 |
"Do you pine for the nice days of Minix-1.1, when men were men and wrote their own device drivers?"
Linus Torvalds
Read more on Free Software Magazine |
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Linux.com :: Enhance boot-time security with GRUB passwords |
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Written by bibe
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Thursday, 27 April 2006 |
The security of data files on your computer is at risk, and not just because you are connected to the Internet. Anyone with physical access to your machine can bypass all passwords to gain entry to your hard disk with one simple command given to the bootloader. Fortunately, the popular GRand Unified Bootloader (GRUB) is equipped with security features to prevent such an 'attack.' It can password protect each entry of your boot menu.
Read more on Linux.com |
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HowtoForge :: How To Set Up A Load-Balanced MySQL Cluster |
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Written by bibe
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Wednesday, 26 April 2006 |
This tutorial shows how to configure a MySQL 5 cluster with three nodes: two storage nodes and one management node. This cluster is load-balanced by a high-availability load balancer that in fact has two nodes that use the Ultra Monkey package which provides heartbeat (for checking if the other node is still alive) and ldirectord (to split up the requests to the nodes of the MySQL cluster).
Read more on HowtoForge |
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LinuxForums :: Linux Performance Tuning |
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Written by bibe
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Wednesday, 26 April 2006 |
Fernando Apesteguia concludes: "When a distribution is packaged and delivered to clients, it is designed to be fully compatible with most of the computers available in the market. This is a very heterogeneous set of hardware (hard disks, video cards, network cards, etc.). So distribution vendors like Red Hat, SuSe, Mandriva and the rest of them choose some conservative configuration options to assure a successful installation."
Read more on LinuxForums |
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Linux.com :: How to configure a low-cost load-balanced LAMP cluster |
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Written by bibe
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Wednesday, 26 April 2006 |
The ubiquitous Linux, Apache, MySQL, and PHP/Perl/Python (LAMP) combination powers many interactive Web sites and projects. It's not at all unusual for demand to exceed the capacity of a single LAMP-powered server over time. You can take load off by moving your database to a second server, but when demand exceeds a two-server solution, it's time to think cluster.
Read more on Linux.com |
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