I had a really thorny problem recently with a client who responded to a phishing email and their account was compromised. As part of reviewing their account security, I enabled Multi-factor Authentication. Everything went well signing back into the account,...
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Recover a Ubiquiti EdgeRouter with a failed USB Flash, or ERMK Redux
In the past, I've had a number of the original Ubiquiti EdgeRouter Lite units fail - they were all the original plastic-case units, and in each case it was the USB flash that died. It was difficult to pinpoint exactly...
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The Mysterious Case of Catalina and the Missing Disk Space, or /private/var/vm ate my Disk.
I had a very unusual problem recently with a client - his MacBook Pro running Catalina was constantly running out of disk space. He let it slide for a while, and then started to prune his data when space got...
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Allow clicks in System Preferences to permit system extensions via Apple Remote Desktop or TeamViewer
I have a Mac mini as a server here at the Automatica World HQ, and it's downstairs, in a cabinet, running headless with no peripherals attached. I needed to install some software that added a system extension, and was bit...
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L2TP VPN Configuration Commands for an EdgeRouter
Further to Darren's post, here's the short and sweet how-to configure an L2TP VPN on an EdgeRouter. First edit the commands below. Next, log into the router with ssh, enter configuration mode and paste the lot in. set firewall name...
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Setting up VPN access on an EdgeRouter authenticate via RADIUS on a Synology NAS with DSM.
With the increased need to enable people to “Work From Home”, setting up VPN access is a vital step to ensure a secure connection to the work environment.Ubiquiti EdgeRouters have the capability to support all current standards of VPN access including PPTP,...
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List user’s folders in Office 365 via PowerShell when Get-MailboxFolder does not work
Occasionally I need to list all the folder names in someone's mailbox in Office 365 via PowerShell. Microsoft have a cmdlet called Get-MailboxFolder however this only runs on the mailbox of the currently logged-in user. Instead, try this: Get-MailboxFolderStatistics -Identity...
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How fast are your disks? Find out the open source way, with fio | Ars Technica
I'm posting this as a bookmark to this article on Ars Technica. I know I'll need this at some stage in the not too distant future, so present me is bookmarking it for future me. How fast are your disks?...
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Error: Invalid base64 string for MIME content in Apple Mail on Catalina
I had a client today who after every email they received in Apple Mail on Catalina, an error dialog box would pop up saying "The Message <whatever> could not be moved to the mailbox Inbox. Invalid base64 string for MIME...
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How to lock the Dock on macOS
I've occasionally needed to fix certain aspects of the Dock on some people's computers - one particular case comes to mind was an elderly client who somehow would remove the Mail icon from the Dock, and then be unable to...
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