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Technical tips collected over several decades in IT

How to get crowd consensus with Virus Scanning

Evaluating Software from the Internet Recently I've been evaluating software for personal and client use Today Operating Systems tend to have a severe level of distrust toward software downloaded from random locations and you have to explicitly bypass restrictions to...

Google Chrome Infuriating Redirects

Google Apps has the ability to define a custom hostname for it's calendar, drive, mail, sites, groups services How it works is you create a CNAME record in DNS that points from your custom domain to Google which then intelligently redirects you to the correct service...

Speedtest from the CLI

Awaiting a speed increase on you Internet connection but it's not there yet? Want to know within an hour when the speed increase happens? Create a crontab entry crontab -e With this content MAILTO="" 0 * * * * /Users/username/sites/speedtest/speedtest.sh >>...

NTTTCP Windows – Linux both directions

https://docs.microsoft.com/en-us/azure/virtual-network/create-vm-accelerated-networking-powershell#supported-vm-instances SendReceiveWindowsLinuxntttcp -s -m 4,*,192.168.1.5 -nsntttcp -r -m 4,*,192.168.1.5 -NLinuxWindowsntttcp -s -m 4,*,192.168.1.4 -Nntttcp -r -m...

NTttcp – Test Network Performance

When I was working at Rio Tinto in the New South Wales Hunter Valley. I used NTttcp to test network switch throughput on some Cisco Switches. (From memory they had lost some ports due to a lightning strike) I had forgotten about it for years but was reminded of it...

Disable the Twitter in-app Browser

When using Twitter on my Android OnePlus 3T phone. If I click on a link and then browse the article. After a short time of scrolling and reading the Twitter in-app Browser locks up and I have to restart Twitter To fix: Click on your profile picture, select settings...

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