ZetCode, tutorials for programmers – ZetCode brings tutorials for programmers in various areas. The main are Graphics User Interface, databases and programming languages. The website's mission is to provide competent, quick and easy to understand tutorials for modern-day technologies.
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.
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.
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.