I would like to send system mail from my ubuntu server via a remote SMTP server to my personal email. Here is how I have achieved that. create /etc/postfix/main.cf-> sudo nano /etc/postfix/main.cf in order to send all system mail to my email I used recipient_canonical_maps and sender_canonical_maps, eg: then this needs to be hashed for […]
Configure Postfix to forward system mail on Ubuntu Read More »
Well… the closeness of a VPN host isn’t really so significant, considering its function… However NameCheap is a trusted name which provides VPN services, as here. You can use a VPN service to change the geographical location of your internet connection. That’s really about it. People advertise a VPN as enhancing security. The only time
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The following code is an example to switch on an output for a Runtime, then off for an interval. Written for Arduino IDE.This code takes into account the issues with millis() rollover, which disallows comparing two distinct times in a loop, as discussed elsewhere.
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Very simply… the internet works using IP addresses… Each ‘host’ on the internet has a unique IP address. Your internet router will have it’s own IP address. The most common form of IP address falls under IPv4 for example 1.1.1.1 is an IP address. In order to connect domain names to IP addresses, DNS is
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What is DNS? Sure! Imagine you’re at a huge library, filled with books on every topic imaginable. Now, let’s say you want to find a specific book called “The History of Dinosaurs.” Instead of wandering aimlessly through the shelves, you approach the friendly librarian and ask for assistance. The librarian, like a magical translator, takes
People use VPN services for “Security” but who’s to say that an online VPN is more secure than your local internet service provider as an endpoint to the internet? Personally I will create a Virtual Private Server instance (using Vultr, my current preference for server providers) and simply run this script to create a VPN
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I am running an email client, although I want the database to be stored in an encrypted directory. Using task scheduler I can auto start the email client, only once the encrypted container is mounted. Running programs from an encrypted file system enhances data security but can pose challenges when executing programs reliant on files
Scheduling Programs to start only when an Encrypted File System is mounted (on Windows) Read More »
I was starting an email client after booting my system, however my email database resides in an encrypted file system. In order to ensure the database is available, I made a batch file stored in the encrypted file system, and ran that from task scheduler. However I was stuck with the batch file running a
Close command prompt window from batch file Read More »
In today’s world, the internet has become an integral part of our lives. With the ever-increasing number of mobile devices and varying screen sizes, it’s important to create websites that are responsive and can adapt to different devices. Responsive design is a critical element in web development, and its importance cannot be overstated. In this
Responsive design and its importance in web development Read More »
In today’s fast-paced digital world, website performance optimization has become a critical aspect of website development. A website’s performance can have a significant impact on user experience, search engine rankings, and ultimately, the success of a business. In this article, we will discuss the best practices for website performance optimization. Images are an essential component
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