Server goes down while trying to install WHMCS

March 12, 2016 696 views
PHP MySQL Configuration Management Apache LAMP Stack Ubuntu

I just setup LAMP on Ubuntu 14.04 x64 server and tried installing WHMCS. But every time I try, the server goes offline. Unable to understand what could be the issue. I even disabled firewall (UFW) but no success! I'm able to install WordPress but not WHMCS!
Can someone please throw some light on possible causes and remedy?

1 Answer

Hey there,

It sounds to me like you may be running out of memory. The next time that happens, you should take a look at the web console and click in and type a key or two to refresh the screen, you may see an Out of Memory error. If that is the case, you may want to resize to a larger memory size.

Happy coding,

Jon Schwenn
Platform Support Specialist

  • Hi @jschwenn

    I figured the culprit was xCache. As soon as I removed it, WHMCS started to respond. Interestingly, xCache doesn't hinder WordPress and works like a charm. But seems like WHMCS has some compatibility issues with xCache. Now I use APC.


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