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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)

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O'Reilly Network :: Getting Started with MySQL Proxy
Written by bibe   
Tuesday, 13 November 2007
The launch of MySQL Proxy has caused quite a commotion in the community. And with reason. For feature-hungry people, this is undeniably the most exciting addition to MySQL set of tools. If the last statement has left you baffled, because you don't see the added value, don't worry. This article aims to give you the feeling of what the Proxy can do.
Read more on O'Reilly Network
 
HowtoForge :: The Perfect Server - Ubuntu Gutsy Gibbon (Ubuntu 7.10)
Written by bibe   
Tuesday, 13 November 2007
This tutorial shows how to set up a Ubuntu Gutsy Gibbon (Ubuntu 7.10) based server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable), Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Courier POP3/IMAP, Quota, Firewall, etc. This tutorial is written for the 32-bit version of Ubuntu Gutsy Gibbon, but should apply to the 64-bit version with very little modifications as well.
Read more on HowtoForge
 
Linux.com :: Simple home networking with SSH
Written by bibe   
Tuesday, 13 November 2007
The Secure Shell (SSH) network protocol makes it easy to connect computers that are running Linux, share files, and remotely run applications. Along with an X server, it can make sharing a single computer simple on a home network.
Read more on Linux.com
 
HowtoForge :: Setting Up Master-Master Replication With MySQL 5 On Debian Etch
Written by bibe   
Tuesday, 13 November 2007
Since version 5, MySQL comes with built-in support for master-master replication, solving the problem that can happen with self-generated keys. In former MySQL versions, the problem with master-master replication was that conflicts arose immediately if node A and node B both inserted an auto-incrementing key on the same table. The advantages of master-master replication over the traditional master-slave replication are that you don't have to modify your applications to make write accesses only to the master, and that it is easier to provide high-availability because if the master fails, you still have the other master.
Read more on HowtoForge
 
The Million Portal Bay :: italia.it: tre fischi e si chiude. FINE.
Written by bibe   
Tuesday, 13 November 2007
Siamo al triplice fischio finale: FINE.
Signori, si chiude. Cala il sipario.
Lo ha detto chiaro e tondo ieri il Vice Presidente del Consiglio dei Ministri e Ministro per i Beni e le Attività Culturali Francesco Rutelli in sede di audizione alla X Commissione Attività Produttive della Camera, nell’ambito dell’ indagine conoscitiva sull’attuazione della legge 29 marzo 2001, n. 135, concernente la riforma della legislazione nazionale sul turismo.
Leggi l'articolo su The Million Portal Bay
 
PuntoInformatico :: Cassandra Crossing - Tor, lezione di teoria
Written by bibe   
Tuesday, 13 November 2007
Roma - Qualche settimana fa la prima lezione di guida di Tor è stata accolta con interesse dai miei 23 lettori; il diluvio di fatti importanti accaduti in questi giorni pero' aveva richiesto che Cassandra Crossing si occupasse di altri temi. Ma ogni promessa è debito, quindi eccoci qui. Come ai tempi della scuola guida pero', lezioni pratiche vanno alternate con lezioni teoriche, quindi oggi la "lezione" sarà meno divertente perché tocca alla teoria, anzi alla teoria di base. Niente crittografia od algoritmi però, ma solo una importantissima riflessione su quello che accade realmente nel PC quando navighiamo.
Leggi l'articolo su PuntoInformatico
 
Adventures In Open Source :: Another Day Another Distro - Part 5 - Debian 4.0 Etch
Written by bibe   
Tuesday, 13 November 2007
After a short delay I continued my tour and made it onto Debian Etch. One slight problem though, I managed to accidentally install the 64bit version of Etch which gave me the usual problems with Flash and other things. These were all the same problems I had on 64bit Ubuntu so it's not Debian specific in any way. It took me a few days to download the 32bit Etch and it slowed my progress a little but not for long. I'd heard a lot of stories about Debian only being for hardcore hackers and real purists but I wanted to see for myself. So without further ado here's how I got on with Debian Etch...
Read more on Adventures In Open Source
 
Linux.com :: Simplify backups with Synbak
Written by bibe   
Tuesday, 13 November 2007
Making periodic backups is a common task. Synbak can help to simplify it.
Synbak brings together several different backup methods and provides a powerful reports system that provides details about all the work it does. Synbak can use rsync over Secure Shell (SSH), Server Message Block (SMB), or Common Internet File System (CIFS) and either create tar archives or burn CDs and DVDs (quaintly called laserdiscs in a throwback to old times). It can also access and back up MySQL and Oracle databases and Lightweight Directory Access Protocol (LDAP) servers. Finally, it can send you an email message with the backup details and create an HTML plus RSS Web page with the same information.
Read more on Linux.com
 
Debian Admin :: Debian/Ubuntu Package management Using dpkg
Written by bibe   
Monday, 27 August 2007
Dpkg is the Debian package manager dpkg is a medium-level tool to install, build, remove and manage Debian packages. The primary and more user-friendly front-end for dpkg is dselect.dpkg itself is controlled entirely via command line parameters,which consist of exactly one action and zero or more options. The action-parameter tells dpkg what to do and options control the behavior of the action in some way.
Read more on Debian Admin
 
PCWorld :: Seven Post-Install Tips for Ubuntu 7.04
Written by bibe   
Monday, 27 August 2007
So, you've just installed Ubuntu 7.04, otherwise known as the "Feisty Fawn" release of everyone's favorite (for now) flavor of Linux. You booted the installation disc, looked around the test environment to discover that your hardware was working, and double-clicked the Install icon on the desktop. The Ubuntu installer helped you make room for Linux on your hard drive, and even copied over some of your documents and settings from Windows.
Read more on PCWorld
 
HowtoForge :: How to secure WebDAV with SSL and Two-Factor Authentication
Written by bibe   
Monday, 27 August 2007
Web-based distributed authoring and versioning or WebDAV is the protocol that is creating the "read-write" web. It is facilitating collaboration in many ways across the internet, replacing proprietary protocols (FrontPage, e.g.) or superseding less functional open protocols ((FTP, SFTP). The primary drivers for the adoption of WebDAV include:
  • WebDAV resources can be set up like local drives allowing you to work with remote files as if they were on your machine.
  • It allows for "locking" of files so multiple users can work with a file at the same time, but only one at a time can make changes.
  • It is more efficient than FTP or SFTP.. You can pipeline multiple transfers through a single TCP connection.
  • It is an extension of HTTP and uses the same ports - 80 or 443, avoiding potential firewall issues.
  • Support for WebDAV is available across multiple platforms creating a cross-platform solution.
Read more on HowtoForge
 
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