Replace CMOS Battery in Gateway ZX4300
Yesterday I needed to replace a dead CMOS battery in a Gateway ZX4300 All-in-One. This YouTube video shows how to get the outer case off but doesn’t show how the …
Azure Automation Fails to Start Machine
I have an Azure virtual machine running Server 2012 R2. I use Azure Automation to start the machine weekdays at 6am and shut it down at 10pm. I just realized …
Advanced Wireshark SIP filters
When looking for SIP traffic in Wireshark, you can start with the Display Filter sip. Here are a couple more specific filters. To find a specific type of SIP packet: …
Careful: LastPass Remembers Generated Passwords Forever
I use LastPass Premium for storing hundreds of online passwords. However I don’t trust it with my most important banking passwords. For those, I use LastPass only to generate a …
Set up BLF on Yealink Phone with Grandstream UCM
Yealink phones can have basic BLF functionality in conjuction with a Grandstream UCM server. In this case, I’m using a Yealink T41P and a Grandstream UCM6102.
How to Revert a 3CXPhone Update in the 3CX Dashboard
When you approve an update to 3CXPhone for Windows in the 3CX v15 server dashboard, the server will start pushing out the update the next time the users start 3CXPhone. …
PowerShell Script to Check and Disable SMBv1
SMBv1 is an old network protocol targeted by the now-infamous WannaCry virus. Although the issue exploited by WannaCry was patched in March 2017, SMBv1 was left enabled by default, leaving …
Re-Install WordPress
Let’s say you have a test install of WordPress 4.7.4 and you accidentally delete the database. Let’s say you have created an empty test database. Let’s say all your WordPress …
Juno SpeedBand Forces Bad Proxy
If you use locally-installed Juno for your email, you may have their “SpeedBand” technology that supposedly speeds up Internet browsing. Apparently it’s doing this with some kind of local cache …
Analyze a Windows Error Code
This is one of those things that I easily forget by the time I need it. Maybe putting it in a blog post will help. Assume you see error 2147942667 …