PayPal IPN Failed "result: IPN Handshake Invalid"
This is often the result of PayPal's "item name" or another name having invalid characters or not supporting Unicode.
173.0.81.1 - - [17/Jul/2018:13:39:45 -0400] "POST //modules/gateways/callback/paypal.php HTTP/1.1" 406 - "-" "PayPal IPN ( https://www.paypal.com/ipn )"
A good clue is if you check the debug output of the IPNand find a mandatory column empty.
........
2CO/2Checkout Howto Enable IPN/Notification Setup & Script Info
https://www.2checkout.com/documentation/notifications/order-created
It shows all the parameters that get passed so you can make a simple script to process it.
To enable 2CONotifications you need to do the following:
Login
Browse to the top right to an icon that looks like a "circle with horizontal lines inside" - Notifications.
Enter the appropriate URL for your IPN/Notification processing script (........
Clustering Links
Clustering LinksI thought this might be interesting for people with spare time.
[b:6423c19973]Great clustering article from Linux Mag[/b:6423c19973]
http://www.linux-mag.com/2003-11/clusters_01.html
[b:6423c19973]General Linux cluster information[/b:6423c19973]
http://www.gdargaud.net/Hack/ClusterNotes.html#HighA
http://www.faqs.org/docs/Linux-HOWTO/Cluster-HOWTO.html#s3
http://www.yolinux.com/TUTORIALS/LinuxClustersAndFileSys........