PHP Fatal error: Call to undefined function posix_getpwuid()

I found that this error appears rather often online but almost no one has any idea why it would come up.  I found this error myself today while doing an install of FreePBX on Fedora 14.  My full error was: Checking user..PHP Fatal error:  Call to undefined function posix_getpwuid() in /usr/src/freepbx-2.8.1/install_amp on line 728 This …

Testing Socket Connections Programmatically

Often we have to use “telnet remotehost.somewhere.com 80” to test if a remote socket connection can be established.  This is fine for one time tests but can be a problem when it comes time to test a number of connections – especially if we want to test them programmatically from a script.  Perl to the …

Forcing Red Hat Linux to IGMP Version 2

Not a very common task and one that is relatively hard to locate for administrators doing a quick search online.  In some cases it is necessary to force Linux, in this case, Red Hat Enterprise Linux, away from the default of using IGMP Version 3 to Version 2.  This is often done to support older …

Installing MediaTomb on OpenFiler

If you have researched both FreeNAS and OpenFiler then you will be aware that a key difference between the two is the inclusion of a UPNP media server in FreeNAS.  This is lacking in OpenFiler and is a major piece of functionality that I with to have in my own installation.  I specifically would like …

Linux Active Directory Integration with LikeWise Open

I downloaded the latest RPM package (for Red Hat, Suse, CentOS and Fedora) from the LikeWise web site (you need to register before starting your download.)  I downloaded the RPM package to the /tmp directory.  The version that I am testing is the Winter 2009 Edition. Warning: LikeWise modifies many configuration files and its uninstall …