How Do I Fix “Host is blocked because of many connection error” In MySQL

February 23, 2013

Today, I got following MySQL error in a PHP application: Host ‘host_name’ is blocked because of many connection errors; unblock with ‘mysqladmin flush-hosts’. It means that mysqld has received many connection requests from the given host. Default max_connect_errors value is 10, that is remote host will be blocked if there is more than 10 connection […]

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How To Start / Shutdown / Reboot Guest Operating Systems With virsh Command On KVM

January 31, 2013

The virsh command is an alternative command to manage a Red Hat Enterprise Linux 5 KVM environment using a Command Line Interface(CLI). The virsh command is provided as part of the libvirt API which provides a common API to applications requiring standardized access to interact with KVM using a stable interface.

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Repel port flood by CSF and IPT_Recent

January 31, 2013

Protect the server from Flood attacks , Using the property Port Flood Protection In firewall CSF . After doing the necessary settings will be able to determine the number of allowed connections Same time for each IP tries to connect to the server.

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What is the role of this variables in php.ini file (expose_php – allow_url_fopen – register_globals) ?

January 29, 2013

There are a lot of people do not know what these variables and how they can be used , this Variables exist in php.ini file , the php.ini file is contains settings PHP on server , and for each variable in the php.ini file have a special role and can be disabled and activated with ON and […]

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How To Boot Into Single User Mode On CentOS

January 13, 2013

Single user mode, also referred to as maintenance mode and runlevel 1, is a way of running Linux or another Unix-like operating system that uses minimal system resources and provides only minimal functionality.

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How To Install Wowza Media Server 3 On CentOS 6

November 8, 2012

Wowza Media Server 3 is the high-performance, high-value unified streaming media and video software for any screen. For live or on-demand streaming to computers, mobile devices and IPTV/OTT endpoints, the Wowza® platform delivers superior features, benefits and functionality. This tutorial shows how I can install Wowza Media Server 3 on a CentOS 6.

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How To Compile Memcached On CentOS

July 28, 2012

Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from results of database calls, API calls, or page rendering. In this article, I’ll show you “How to compile memcached on CentOS” step-by-step.

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