Category Archives: 24x7x365

In the end of the year 2022 I decided that I would like to upgrade Ubuntu OS on my laptop. The previous version on it was Ubuntu 20.04. The current version is Ubuntu 22.04.1 LTS. During the prerequisite checks done, I got the warning message that there is not enough free space on the rootContinue reading “Ubuntu 22.04.1 LTS”

Today I decided to write about one “life hack” that helped me to save some money and prolonged the life of my REDMI phone which runs with MIUI 12.5.2 and Android 10. According to my mind it is very good budget phone which I bought couple of years ago and I am happy with theContinue reading “Life hack – REDMI MIUI 12.5.2 Android 10 internal memory extension”

Dtsch Arztebl Int 2009; 106(19): 335–9DOI: 10.3238/arztebl.2009.0335 Excerpt: In confirmatory (evidential) studies, null hypotheses are formulated, which are then rejected or retained with the help of statistical tests. The p-value is a probability, which is the result of such a statistical test. This probability reflects the measure of evidence against the null hypothesis. Small p-valuesContinue reading “Statistics – “What is a p-value?””

I have not been writing anything new for my blog for a while. Today I decided to write something as I noticed misconfiguration on my Linux Ubuntu UFW firewall. When I was fixing this issue, then I discovered a way to write firewall rules for UFW which should better suit my requirements. First of all,Continue reading “UFW UncomplicatedFirewall on Ubuntu 20”

I wanted to modify one picture which I found on the web. Just to add text. Looking through apps available for the Android I discovered Snapseed. Very useful app. Look what type of modifications could be done: Snapseed

I have discovered a very handy Android application which helps people doing Web development and marketing via a natural search on the Internet. Application is called SEO Check. It allows people to review the results of their work using a mobile phone (not mandatory sitting behind the computer screen) and plan for improvements. You canContinue reading “SEO Check”

Today I had a very important conversation planned over Skype. I decided to wake up earlier than usual and installed the latest Skype version (8.62.0.83) on top of my latest Ubuntu version (Ubuntu 20.04 LTS). I decided to test a call and called one of my friends who at the moment is a bit furtherContinue reading “White Skype”

I received a WhatsApp call from my nephew. He lives more than 1400 miles far away from me. We discussed how to configure two routers: one for the first floor of the house and another one for the second as WiFi signal got week after floor renewal.It appeared that solution for this is a bitContinue reading “WhatsApp router configuration”

Today it was a very sad day for me. I spent my two previous weeks creating and improving my web page on Facebook “Kastanis247”. I was adding to it just arithmetic and logic-based information and some law-related information.I invited a couple of people to see it using messenger – a couple of politicians, lawyers, economists.Continue reading “Kastanis247 Facebook page was blocked”