Bookmarks for 19 mar 2013 through 28 mar 2013

These are my links for 19 mar 2013 through 28 mar 2013:

Bookmarks for 20 dic 2012 through 21 dic 2012

These are my links for 20 dic 2012 through 21 dic 2012:

  • ROOTVG.NET AIX Hints and Tips – Frequently Asked Questions (FAQ) from the AIX User and System Administrator Courses.
  • http://archive.rootvg.net/adminquickref.htm – Quick Reference Administering AIX V5.2 version 1.0
  • MaxClients, MaxKeepAliveRequests e KeepAliveTimeout: ottimizzazione di Apache HTTP Server | Panix websiting – Oggi sappiamo quanto sia importante la velocità di caricamento della pagina sia in termini di usabilità ed user experience, sia in termini SEO, in quanto i motori di ricerca hanno inserito la velocità di caricamento delle pagine nei loro algoritmi di ranking.

    Di recente ho avuto modo di lavorare sull'ottimizzazione di un server web, ed è interessante notare come sia possibile ottenere ottimi risultati intervenendo su tre semplici parametri di configurazione del web server Apache:

    MaxClients
    MaxKeepAliveRequests
    KeepAliveTimeout
    parametri la cui importanza è spesso sottovalutata e che non sempre garantiscono le migliori prestazioni alle loro impostazioni di default.

Bookmarks for 2 nov 2012 from 15:23 to 18:09

These are my links for 2 nov 2012 from 15:23 to 18:09:

  • USEFUL ONE-LINE SCRIPTS FOR SED – (Unix stream editor) Dec. 29, 2005
    Compiled by Eric Pement – pemente[at]northpark[dot]edu version 5.5
  • IBM devscan tool – United States – The devscan tool is a supplemental tool used by AIX support personnel to gather debugging data for Storage Area Networks. The package download includes a manual page that is also available on this site at the Usage tab.
  • mysqlreport :: Make easy-to-read MySQL status reports – mysqlreport makes a friendly report of important MySQL status values. mysqlreport transforms the values from SHOW STATUS into an easy-to-read report that provides an in-depth understanding of how well MySQL is running. mysqlreport is a better alternative (and practically the only alternative) to manually interpreting SHOW STATUS.
  • Percona Online Tools – Welcome to Percona's suite of productivity tools for MySQL database administrators and developers. One free account lets you access all of the tools below, and keeps you updated when new tools or enhancements are available. Registration is required.

    Optimize your MySQL Server:
    Leverage our expertise to create a good starting configuration for a MySQL server.
    This tool will walk you through all of the steps necessary to create a ready to use MySQL configuration file in about 5 minutes.

    Analyze an SQL Query:
    Find out when your SQL is potentially buggy, hard for MySQL to optimize, or confusing.
    This tool will analyze your SQL code and warn you when it detects problems that we've encountered while optimizing thousands of queries in real applications.

Bookmarks for 22 ott 2012 through 23 ott 2012

These are my links for 22 ott 2012 through 23 ott 2012:

  • Can’t SSH into ASA? « Axelilly’s Ponderings – Something strange happened today when I went to SSH into my ASA cluster.

    Upon running ssh I got this error message:

    ssh_exchange_identification: Connection closed by remote host

  • Ubuntu Linux Resources – It's a collection of tutorials designed to help new Ubuntu users, in particular those coming from a Windows-using background.
  • PsPasswd – Systems administrators that manage local administrative accounts on multiple computers regularly need to change the account password as part of standard security practices. PsPasswd is a tool that lets you change an account password on the local or remote systems, enabling administrators to create batch files that run PsPasswd against the computers they manage in order to perform a mass change of the administrator password.

    PsPasswd uses Windows password reset APIs, so does not send passwords over the network in the clear.