Bitcoin Lightning: Wallet of Satoshi
Wallet of Satoshi is one of the simplest wallets for the Bitcoin Lightning Network. This wallet also have support for on-chain Bitcoin. Because of its reliability and simplicity, it is one of the most used Lightning wallets. This wallet is custodial, this means users can't access the...
Nostr: Getting Started on Phone and Computer in 2025
I made a research so you don't need to. Nostr (Notes and Other Stuff Transmitted by Relays) is decentralized protocol and social network, this means there is no company behind this social network. To make this potokol work there are three main parts, relays, clients, and public...
Bitcoin: What is Bitcoin (BTC)? Benefits of Investing and Holding BTC
Today, most people have heard about BTC. Many of them have different opinions - some of them will say this, others will say that. But do they know what Bitcoin is and what benefits you can have by holding BTC and stacking satoshis? What is...
Ubuntu: How to fix a package that is not upgraded
Sometimes while using terminal and updating packages, you can get result like "0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded", but why 4 packages are not upgraded? The message "0 upgraded, 0 newly installed, 0 to remove, and 4 not upgraded" indicates...
How to solve "Key is stored in legacy trusted.gpg keyring" error
Here we will learn how to solve the error "key is stored in legacy trusted.gpg keyring" on Ubuntu, not only for one package or application but for all cases, you need to follow the pattern while solving this issue. For this case we will use the...
How to install WordPress
WordPress is such an incredibly popular, absolutely free content management system (CMS) that is pretty much simple to use and very flexible. It allows individuals and organizations to create and manage websites, blogs, and other kind of websites with ease. So, there are two methods for installing WordPress. First, there is the really simple method using Softaculous, which is...
SSL certificates - What are digital certificates?
SSL stands for Secure Socket Layer, though it's been deprecated and replaced by TLS (Transport Layer Security). However, people still use the term SSL certificate to refer to the security technology used on the internet. An SSL certificate is a digital certificate that serves two primary...
Site maintenance - Best practices
Site maintenance is an important aspect of running a website. Here are some best practices to follow: Regular Backups: Regularly back up your website's files and data. This can help protect against data loss in the event of a security breach or technical issue. Security Updates: Keep...
What is Internal Server Error 500
Internal Server Error 500 is error that can occur on a web page, in this article I will explain how to resolve this issue. This error indicates that the server is having a problem and is unable to process the request that was sent to...