Noel's Muses

On or about August 28, kernel 5.14.0 was released, where APC UPS's (at least) no longer work because of control queue full errors, an error never seen here before upgrading to 5.14, as a result, the kernel logs rapidly fill up with thousands of lines of last message buffered x number of times.

But it's not just filling up your logs, the UPS's are not actually communicating with the system, therefore they can not protect you by shutting your systems down safely in the event of a low battery alarm.

Continue reading "Why We Don't Report Linux Kernel Bugs"

We all (hopefully) backup our PBX's - our config files, databases, even system audio and logs, some of this can be backed up hourly, daily, or weekly, so in all likelihood, you will have at least two backup processes probably more, but where do you back them up to?

Local storage? It's fair to say nearly everyone uses this, but is that the only place you have them? What if your disks fail? A lot of good those backups are now you can't access them!

Continue reading "FreePBX Remote Backups"

(Original post February 14 2021 updated)
By default, ChanSpy, a supervisor function that allows you to monitor
other peoples calls, is enabled and can be used by anyone, yes, anyone, who's phone is logged in to a FreePBX system that has this feature enabled.

Sangoma don't allow you to secure it out of the box, instead, they try sell you some commercial module (that in Australia is about $145) that allegedly sets a PIN.

Continue reading "Secure FreePBX ChanSpy"

FreePBX, being front end to Asterisk, allows setting multiple time periods under a single Time Group, usually for public Holidays and such, we call this Holidays - I know, so original hey

This article concentrates on Queensland, in particular Brisbane, Public Holidays, since only a few holidays vary between states, it will be easy for you to change to suite yours if you need to, likewise international readers, where many don't observe Show Days, ANZAC Day, or Easter.

Continue reading "Holidays With FreePBX"

Playing music on hold (MoH) on your phone system whilst your caller is waiting to connect to the person or department they are after, or whilst someone ducks off to get some information, is a given these days, no-one wants to sit there and listen to silence, or nothing but the sound of keyboard tapping for 5 minutes.

Am I still connected? Did they forgot about me? Hrmm... is this thing still working? C'mon aren't you done yet?

Continue reading "Music On Hold And The Cabal"