Icinga Web, Set correct write permissions for directory “/usr/local/icinga-web/app/cache”

If you have followed the Icinga install procedure through as per the installation documentation, and are having difficulty getting Icinga Web to install, you may eventually get an Agavi error saying that the cache directory is not writable (if you find the PHP errors) AgaviCacheException Failed to write cache file "/usr/local/icinga-web/app/cache/config/config_handlers.xml_production__d98552ff67d2d50d8def4e3ddb970ba8e8e151fc.php" generated from configuration file ...

How to install CentOS 6 on Microsoft Hyper-V virtualization

Many developers rely on Linux, but often work in a Windows infrastructure environment. Often it’s not feasible to install a flow-blown VSphere or XenServer setup when everything else runs on Windows Server and there’s limited hardware, but virtualization has many advantages. Enter Hyper-V, which can be looked after by Windows system administrators, but let you ...