Configure gammu to use a Huawei 3G modem
This is a very short helping tutorial explaining how to get gammu working with an USB 3G modem (in my case a Huawei K3565) in CentOS to later use in sending out alert messages for critical events.
Alert via SMS on power failure and hibernate the system
When using a system to host your important (or critical) operations, being able to get informed of issues while you’re away is a very handy function. Email is good for notifications, but it isn’t always fast enough (and constant checks drain battery power).
SMS on the other hand, is an almost instant alert method and although length-limited, should do the job just fine for those very important, must have alerts. For this setup you will need…