Category: Open Source + Macbooks
MTR on macOS: Fix Traceroute Issues with Zscaler VPN
If your on a zero trust network adapter like zscaler or netskope, you will see that traceroute doesn’t work as expected. The article below shows how to install mtr (my trace route) using brew: Next we need to change the owner of the MTR package and it’s permissions (otherwise you will need to run it […]
Read more →SCP Files to EC2: Mac & Linux Command Guide
I always forget the syntax of SCP and so this is a short article with a simple example of how to SCP a file from your laptop to your EC2 instance and how to copy it back from EC2 to your laptop: Copying from Laptop to EC2 scp -i identity_file.pem source_file.extention username@public_ipv4_dns:/remote_path scp: Secure copy protocol-i: Identity […]
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macOS TCP Ping: Replace Ping on ZTNA Networks (No ICMP)
A lot of companies are moving to ZTNA (Zero Trust Network Architecture). This is generally a good thing, it helps cyber posture and it and makes life a lot easier as you no longer need to login to VPN tunnels to manage your cloud environment/s. But one of the few downsides of ZTNA is that […]
Read more →Change Default Mail Client on Mac via Terminal (CLI)
22 If you want to change the default mail client on your Mac then you can use a quick Python script to quickly change the default mail app. Copy/paste the following command into Terminal. Below I am setting Outlook to be the default mail client, but you can replace com.microsoft.Outlook with whatever application bundle identifier you use. […]
Read more →Mac Terminal: Check DNS Nameservers in 2 Commands
To view the list of nameservers your mac is using, simply open Terminal and paste the following: Alternatively, you can copy the DNS servers to clipboard directly from the command line (using pbcopy):
Read more →How to Flush DNS Cache on MacBook: Terminal Command
I am not going to tell you why you would need to flush your DNS cache (you will know if you need to). So, to flush DNS on a mac simply fire up Terminal and run the following sudo command:
Read more →Mac Command+Tab: Restore Minimised Windows Like Windows
For those who like to maximise or minimise their windows on a Mac, you will likely be frustrated by the default behaviour of your Macbook (in that it doesn’t restore/focus minimised or maximised screens). Below are a few steps to make your mac screen restores behave like Microsoft Windows: Install Homebrew (if you dont have): […]
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Auto-Toggle Bluetooth on MacBook Lid Open/Close
If you’re like me, little things bother you. When I turn on my bluetooth headset and it connects to my Macbook when its closed/sleeping, I get very frustrated. So I wrote a simple script to fix this behaviour. After running the script below, when you close the lid on your Macbook it will automatically turn […]
Read more →Enable Apps From Anywhere on Mac: Terminal Command Guide
Previously Macs would allow you to install software from anywhere. Now you will see the error message “NMAPxx.mpkg cannot be opened because its from an unidentified developer“. If you want to fix this and enable apps to be install from anywhere, you will need to run the following command line: Once you have run the […]
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How to Iterate the COM Running Objects Table in C#
Back in the day I had to do quite a bit of COM / .Net interop. For some reason (and I cannot remember what it was), I need to be able to enumerate the COM running objects table (ROT). I think it was to do with createboject/getobject and trying to synthesis a singleton for an […]
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