Below is a dump of examples of doing pretty much the same thing differently. I mostly use netstat and lsof, coupled with some bash scripts. You can argue that this is overkill, but below is a simple bash function that you can paste into terminal and call it whenever you want to see which application/process […]
Read more →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 →I think you’re a genius! You found this blog and your reading it – what more evidence do I need?! So why do you keep asking others to think for you? There is a harmful bias built into most technology projects that assumes “the customer knows best” and this is simply a lie. The customer […]
Read more →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 […]
Read more →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…
Read more →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 →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 →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 →I recently managed to explode my wordpress site (whilst trying to upgrade PHP). Anyway, luckily I had created an AMI a month ago – but I had written a few articles since then and so wanted to avoid rewriting them. So below is a method to create a backup of your wordpress mysql database to […]
Read more →If the fingerprint of your remote host changes you will see the following error message appear: There are many ways to fix this. The easiest of which is simply to delete your “known_hosts” file. This will mean you just need to accept new finger prints on all your SSH hosts. Yes, this is very lazy…
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