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 a widely-used, open-source content management system (CMS) known for its user-friendliness and flexibility. It enables individuals and businesses to create and manage websites, blogs, and online content with ease. WordPress can be installed using two primary methods. First, you can opt for the quick...
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...
Saving, cleaning, and maintaining hosting space
When we create and publish a website, and use e-mails, it is inevitable that, after a certain time, we will run out of disk space to store new images, e-mails, and other site files. Depending on how the site is maintained, we may have to...
How to protect your crypto wallet
Cryptocurrencies have long been available to everyone and are becoming increasingly popular. With the growth in popularity, the number of wallets available that can be installed on a phone or computer has grown, and we expect new hardware wallets. With this growth in the popularity...
Crypto wallets
I will present a few of the most popular cryptocurrency wallets you can install on your phone and explain the difference between hot wallets and cold wallets. I'll also write down what is a hardware wallet and what is a crypto wallet that you install...