If you’re looking for a free, distributed reliable and frequent website uptime monitoring service, Pingdom GIGRIB may be a good choice. Pingdom GIGRIB depends and utilizes GIGRIB users’ computer as part of the site monitoring network, becoming one of the “test nodes” that access monitored websites and report uptime for multiple websites to a central location. Thus, GIGRIB also has the advantage of the monitored sites’ uptime will be measured by distributed network of clients instead of from single location, greatly increase its accuracy on availability.

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Whenever a client connects to a server via network, a connection is established and opened on the system. On a busy high load server, the number of connections connected to the server can be run into large amount till hundreds if not thousands. Find out and get a list of connections on the server by each node, client or IP address is useful for system scaling planning, and in most cases, detect and determine whether a web server is under DoS or DDoS attack (Distributed Denial of Service), where an IP sends large amount of connections to the server. To check connection numbers on the server, administrators and webmasters can make use of netstat command.

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All web servers been connected to the Internet subjected to DoS (Denial of Service) or DDoS (Distrubuted Denial of Service) attacks in some kind or another, where hackers or attackers launch large amount connections consistently and persistently to the server, and in advanced stage, distributed from multiple IP addresses or sources, in the hope to bring down the server or use up all network bandwidth and system resources to deny web pages serving or website not responding to legitimate visitors.

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vBulletin community forum messaging system has a powerful and useful plugins system that extends the capabilities of the forum boards. Webmasters and administrator can upload and install various plugin products developed by vB team or third-party developers to add functionalities to the board to enhance user experiences, supplement board with features such as points system, bounced emails management, games and etc.

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In Windows XP SP2 and Windows Vista, a lot of users have been searching for tcpip.sys patched hack or auto patcher that unlocks the TCP/IP half-open simultaneous connection limit to no upper bound. In a web server that exposes to Internet, the other way round may be true, where there may be a need to limit and restrict maximum number of TCP incoming connections to a web server that are allowed at any one time.

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cPanel web hosting control panel has upcp update script that automatically updates cPanel software. upcp script is scheduled to run once a day as a cron job, and once the update task is completed, crontab will automatically send an notification email to administrator or webmaster. Sometimes, however, the following error message will be sent instead.

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The future of Joomla! CMS, Jomla! version 1.5, has new framework with code based for the Joomla! core completely re-written and built with PHP 5. Thus, a lot of existing extensions, plugins, templates and modules for Joomla! version 1.0.x does not work or fail to work properly in the Joomla! 1.5, sometimes not even able to upload and install the package. Users will get error messages such as “Direct Access to this location is not allowed” and “Must Enable Legacy Mode In Global Config To Complete This Task.” Joomla! developers is kind enough to provide a legacy mode in Joomla! 1.5 that supports compatibility with extensions designed and developed for older version of Joomla.

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Not all domain names registras provides DNS hosting service to the domains purchasers. Normally, to earn extra income revenue, domain name registrars will require domain name registrants to buy additional service for DNS hosting service, or the domain price has been marked up to reflect the “free” DNS server. In this case, the domain owners can either set up own DNS hosting server, or host the DNS entries for the domains in external free or paid DNS hosting services.

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