Purple Hearts atwork di Alberto Turelli - soluzioni software & web
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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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All About Linux :: traceroute - a very useful troubleshooting tool PDF Print E-mail
Written by bibe   
Monday, 22 January 2007
I am sure anyone who is at the least Internet savvy, will be aware that to move data from one point say A to another point B across the Internet, it has to pass through a number of intermediary points say C, D,E.... But what many won't know is that your data is not transferred in one piece when it is sent over the net, rather, it is split into chunks of say 1500 bytes each, then each chunk is enclosed in what is known as a packet which contain some additional data such as the destination IP address and port number apart from some other details which provide the unique identity to the packet and finally it is sent across the net.
Read more on All About Linux
 
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