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GPS, GSM, WiFi, Bluetooth, FM, Internet
About GPS satellites, Wi-FI, Bluetooth, mobile phone tracking and wireless communication in general – basic working principle and terms explained.
Net technologies
Internet technologies explained
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E-mail security habits
How to stay safe when working with e-mails. How to recognize false (spoofed) e-mails. Checking e-mail headers, DKIM, SPF…
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.com price hike – where is the Internet going?
.com domain price hike. Which direction is (or has been) the Internet going – in my opinion?
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Free vs paid SSL/TLS certificates
The difference between the free and paid for SSL/TLS certificates. DV, OV and EV certificates explained. Is Let’s Encrypt safe etc.
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How to refresh stored data with Linux and Windows
How to perform HDD and SSD maintenance for the less frequently used storage / backup drives? Why does this need to be done?
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Asymmetric encryption explained
What is asymmetric encryption? What are public and private keys? What is hash? Certificate authority? All those terms explained in plain English.
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Mobile phone GPS navigation – basics
Explanation of basic terms, principles and apps needed for GPS navigation using a smartphone. So one can create and follow navigation route themselves.
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2 Factor Authentication (2FA) explained
Explanation of 2 factor authentication (also known as 2FA). The basic concept, the importance and practical use for security on the Internet in general.
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TOR network and Onion routing explained
Explanation of what TOR network and Onion routing are.
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Backblaze B2 Cloud Storage setup
How to setup Backblaze B2 Cloud Storage for backups
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Cloud storage options
Cloud storage options that I use and recommend. Both free and paid for. Space available, security, speed, convenience of use…
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Cloudflare explained
Cloudflare: what it is, how it works, how to protect your site with it – regardless of whether your site is made using WordPress, or some other tool.
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AMP explained (Accelerated Mobile Pages)
AMP explained – what is AMP (Accelerated Mobile Pages), what’s it used for, pros and cons, how to implement it and how to judge whether you should.