Jun's Blog

Output, activities, memo and etc.

Entries from 2022-01-01 to 1 year

Reflecting on 2022

At the end of the year 2022, I would share my reflections on the year 2022 with this article. Previously I wrote the 2020 version of the article. In recent years, I learned how to work with big open-source projects. It was fun and meaningf…

Install Slack on Flatpak on Fedora 36

I referred to the [1]. Install Slack First, you need to install Flatpak if you don't have it. $ sudo dnf install flatpak Install the flathub repo file. $ sudo flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flat…

Uninstall Snap on Fedora

I installed Snapd to install Slack on it in the past.[1] However, I knew an alternative Flatpak and compared the Flatpack with Snap.[3][4] I thought it would be better to uninstall Snap and install Flatpak. Uninstall Snap I referred to the…

Fedora: Set up encriped disk with LUKS and btrfs format

I am setting up my USB external disk for backup use. I did set the encrypted disk with the btrfs format, following the guide[1]. I am masking the uuid with "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXX" on the working log. The command took more tha…

Fedora: How to detect and mount USB disks on commands

I learned how to detect and mount the USB disks on commands. ask.fedoraproject.org How to list up the not mounted USB disks. The 2 commands below are useful. $ lsblk -r -p -o NAME,TYPE,FSTYPE,UUID,SIZE,LABEL | grep -v "^/dev/loop" NAME TYP…

Converting FASTQ format to FASTA format

The FASTQ format is to combine the FASTA format + Quality info. Therefore, we can convert the FASTQ format into FASTA format, removing only the quality info. Here is the way: https://bioinformaticsworkbook.org/dataWrangling/fastaq-manipula…

Stop using fprintd (Fingerprint) on Fedora

I don't use the fingerprint feature on Fedora. I see sometimes the OS doesn't wake up from sleep keeping the black screen. My Framework Laptop has both turn on/off and fingerprint scanner on the same button. So, I decided to stop using the…

Install yEd, the Graph Editor on Fedora 36.

I installed yEd, the Graph Editor[1] on Fedora 36 on my Framework Laptop. I wrote about the yEd a little bit in the past on my blog.[2] This yEd is helpful for thinking clearly. I have used the yEd to think with the Theory of Constraints (…

Use Docker on Fedora 36

I was trying to run the WDL file on locally by the dockstore command[1]. Because it's an easy way to check a WDL file rather than uploading it to the Dockstore site. Right now I couldn't find the dockstore command with the Podman[2][3], I …

Using Quay.io

This article is a memo on how to use Quay.io[1] and how to change the login from the original Quay ID/password to Red Hat SSO (Single Sign On). Change how to log in from Quay ID/Password to Red Hat SSO Now the Quay only encourages Red Hat …

Lowering LDL (bad cholesterol) level. - The Switch

I got a health check-up to understand what's happening in my body. Then while most of the numbers by check were very good, there was one bad value. That is the value of low-density lipoprotein (LDL), so-called "bad cholesterol". The number…

Format USB drive on Fedora

This blog is a note on how to format a USB drive on Fedora Linux 36. I have Framework Laptop, and I have a 256 GB expansion card. So, I formatted the USB disk to use on Fedora Linux 36. Even when it is not formatted, you can see the device…

Book sumary: The Swtich - James W. Clement

Finally, I can summarize the book, The Switch - James W. Clement[1]. It has been long steps until now. I bought the Japanese edition, and read the Japanese edition at once. Then I bought the English original edition. Then I did read both b…

Install Freeplane on Fedora 36

Freeplane is a mindmap app mentioned before [1]. $ sudo dnf install java-17-openjdk I did put the extracted directory into the directory below. /home/jaruga/.local/freeplane-1.10.3 And I did set a symbolic link $ pwd /home/jaruga/.local/bi…

i3: Customize keyboard layout on X based window manager

This blog is to summarize the outcome of communication[1] in the xkeyboard-config project through my pull request. Thanks for the help! On Wayland-based window managers such as Sway, people can customize keyboard layout freely under their …

Teorie lidských potřeb ve firmách.

Některá firmy používají teorii lidských potřeb. Je to navrhnout organizaci. Podle [1] Microsoft to používá. Je to motivovat lidi potřebami seberealizace ve pyramido v Maslowově pyramidě.[2] Pokud vás toto téma zajímá, doporučuji tuto knihu…

Employee Thriving Not Employee Engagement

Engagement is used to measure employees. It has been believed if someone's engagement score is high, the person has a positive impact on both company and themself sustainably. But according to Microsoft's study[1], it was wrong. Why Thrivi…

Bio krém na opalování v Praze

Praha je hezké město pro lidi, kteří žijí zdravě. I když tu zimu nemám rad. Neznám jiná města, kde bioobchody jsou intenzivní na jednom místě. Dnes jsem si koupil krém na opalování. Měl jsem dva kandidáty. Nejlepši je BiOOO.cz. Country Lif…

Dieta: bez cukru, bez lepku, bez kaseinu

Cvičím, typ dietní styl, keto který pomáhá dlouhověkosti, proti stárnutí. Je z knihy "The Switch" od Jamese W. Clementa, který se stal biologem z vrstevníka a antreprenor. Ve studii jíme více tuku, nejíme sacharidy, cukr, lepek a kasein za…

Install Google Chrome on Fedora 35

Tomorrow I will attend a virtual conference. But the live stream's caption feature is only available on Google Chrome using the Live Caption feature. So, I installed Google Chrome to Fedora 35 on my Framework Laptop. I referred this site […

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…