Jun Aruga's Blog

Output, activities, memo and etc.

Můj první blog v češtině

Myslim, že je to dobrý čas začít psát něco v češtině, aby cvičit to. Teď bydlím v Praze. Našel jsem hodně dobré kavárny tady. Můj oblíbený koníček je stárnutí biologie.

Děčín, Bohemian Switzerland in Czech Republic, The Bastion Bridge in Germany

I traveled Bohemian Switzerland in Czech Republic and The Bastion Bridge in Germany recently. Those areas are around the border between the Czech Republic and Germany. It's north of Prague, and south east of Dresden. So, let's see the trav…

Biology online courses FutureLearn, Coursera

When I want to find online courses for biology. I found the Wellcome Connecting Science providing free online courses on the learning platform called FutureLearn [1]. [2][3] Unfortunately those courses are not always available, and there a…

Memo: New 4th metro D and extended metro lines in Prague

Metro D (blue color) will be completed in 2022. But more exciting thing is metro A's extension current Motol to airport. Not sure when it will be completed. Construction starts on Prague’s long-delayed metro D line - Prague, Czech Republic…

Highligher, marker plugins on Firefox

When reading papers on web browser, saved text highlight is useful to read, memorize and see it again. I saw someone using Super Simple Highlighter plugin on Brave browser, maybe that is Chrome based. When tested the plugin on Brave, it wa…

Reference management tool: Mendeley

Mendeley [1][2] is a tool to manage and work with papers. I was looking for a way to read papers effectively. And it can be good for that. It's to import PDF files, and parse the metadata, and add annotation on the paper. I like the functi…

Paper summary: The hoverfly and the wasp: A critique of the hallmarks of aging as a paradigm

This page is a summary of the paper "Paper summary: The hoverfly and the wasp: A critique of the hallmarks of aging as a paradigm" [1][2], and my thoughts. The paper is a critique for famous paper "The hallmarks of aging" [3]. The "hoverfl…

Memo: List of countries by life expectancy

List of countries by life expectancy - Wikipedia Source: Life expectancy and Healthy life expectancy Data by country - WHO Countries ranked by life expectancy - www.worldometers.info

Framework Laptop: Install Skype/Slack on Fedora 35

Skype Install Skype [1] seeing the document [2] on Fedora project. $ wget https://repo.skype.com/rpm/stable/skype-stable.repo $ sudo mv skype-stable.repo /etc/yum.repos.d/ $ sudo dnf install skypeforlinux $ skypeforlinux & Slack Install Sl…

Framework Laptop: How to run concole when GDM is not starting

This article is about a solution when GDM is not start. Here is a thread I created for this topic: https://ask.fedoraproject.org/t/the-best-practice-when-facing-gdm-not-starting/20789 When I will face GDM not starting next time, Select dif…

Framework Laptop: Login from console without GDM

On the previous article https://junaruga.hatenablog.com/entry/2022/03/23/100747, I wrote there might be issue in GDM on my Fedora. I think not using GDM in the login process is a possible way to prevent this situation essentially. On my Fe…

Framework Laptop: GDM (the GNOME Display Manager) failed to start on the kernel 5.15.18?

Maybe it was 20th February. When launching the Fedora 35 with the kernel kernel-5.15.18-200.fc35.x86_64 on Framework Laptop, there was a page only showing gray color. Maybe the ID, password GUI page failed to start. However today when open…

Aging biology: A small change for big changes

The paper "The hallmarks of Aging" cited, reviewed and verified by many researchers. A book about scientist mindset I am reading, suggests that publishing just one paper to change a paradigm rather than publishing many papers to verify som…

Paper summary: The Hallmarks of Aging

This is a summary of the paper "The Hallmarks of Aging" [1][2], and my thoughts. The summary is biased by my interest and experience. This paper is one of the most cited papers in aging biology, published in 2013. As I wrote on the past ar…

How to use PubMed, PubMed Central, Google Scholar, arXiv.org

In this article, I would introduce how to use PubMed, PubMed Central Google Scholar, and arXiv.org. These website are useful to search and manage especially science papers in biology, medical area. PubMed I am using PubMed [1] as a primary…

Czech alphabet: how to write and pronounce

This content is from a Czech text book page 15, blue box on the bottom of the page. This can be used to explain a word to someone on the phone. How to write https://en.wikipedia.org/wiki/Czech_orthography#Alphabet https://everipedia.org/wi…

Czech National Library of Technology in Prague & DIY Bio

Today I visited Czech National Library of Technology [1] in Prague 6 to make my study fun. It was a big building with 6 floors. It looks like a good environment to study. It opens every day. I saw many students studying there. There are ar…

Book review: Effortless - Greg Mackeown

This article is my output after reading Effortless - Greg Mackeown [1]. As in my assumption, I have been overwhelmed by many essential tasks I thought. When I found this book, it attracted me. I wanted to apply what I learn from the book t…

How to use Czech keyboard layout on Mac

I was not good at using Czech keyboard layout on Mac. But here is a good document. https://www.czechclass101.com/blog/2020/10/16/how-to-type-in-czech/#3 The tip is to show keyboard viewer, and use the key "+" that is a modifier key to ente…

Fedora: setup packager tools

Install packager tools to do packaging on Fedora, seeing https://docs.fedoraproject.org/en-US/package-maintainers/Installing_Packager_Tools/. Install the following packages. $ sudo dnf install fedora-packager fedora-review SSH keys The typ…

Barcelona, Terrassa, Girona, Figueres, Roses and Sitges

Here are the cities I visited in November 2021. I just want to note it not to forget it. Terrassa, Barcelona Stayed for a conference. Abbey of Montserrat Nice view Barcelona city CosmoCaixa Barcelona Science museum. I wanted to join an eve…

Sway, i3: Set up Japanese input with fcitx5.

In the past, I did set up Japanese input by fcitx. As a reference, here are the blog pages. However I noticed there is fcitx5 that is successor version of fcitx. It looks the UI is better. According to the ArchWiki fcitx5, fcitx5-mozc is "…

Setup and use Alacritty on Fedora

I am trying to use Sway window manager on Fedora, stopping the i3 window manager. Here is a Sway installation guide on Fedora. And after installing the Sway, I see the terminal emulator Alacritty is used as the window manager's default ter…

Upgrade Fedora 34 to 35

I referred How to Upgrade Fedora 34 to Fedora 35? - #7 by marcedwin - Ask Fedora. Here are the steps. $ sudo dnf upgrade --refresh $ sudo dnf install dnf-plugin-system-upgrade $ sudo dnf system-upgrade download --releasever=35 --allowerasi…

Fedora 35: Enable WiFi

I replaced wifi antenna cables on my Framework Laptopo as I broke those. I followed the Antena Replacement Guide. Fortunately it was succeeded. Now the Wifi works on Fedora 35 on my Framework Laptop. After replacing the Wifi cables, the Wi…

Cooking for the ketogenic diet

I introduced what I eat for my ketogenic diet at Ketogenic diet - Another Japan in the World. And today I would share what I am eating at home when I am cooking at home. The base of the food as a energy is a butter. This butter is an organ…

Part names of beef

I am trying to learn the price and taste and and etc for each part of the beef. This page might be updated repeatedly. Wikipedia beef English: Beef - Wikipedia, Cut of beef - Wikipedia Wikipedia beef Japanese: 牛肉 - Wikipedia Wikipedia be…

Fedora 35: Show GRUB 2 menu

After installing Fedora 35 on my Framework Laptop, I noticed the GRUB 2 menu is hidden on boot. Seeing a Ask Fedora page, the change looks since Fedora 2X. Anyway, here are the current setting related to GRUB 2. $ cat /etc/default/grub GRU…

Ketogenic diet

Seeing my photos on the previous blog page, I feel that I rarely take photos that I am on, especially the full body photo is very rare. Here is a photo of my full body in 2015. Comparing the photos of between past and now, I see my appeara…

BioHackathon Europe

I joined the BioHackathon Europe in Barcelona. That's a hacking event, co-working event related to biology. This time it's to select one project from 37 projects (There are 38 projects on the page, but the "Single Cell Multi-Omics Analysis…