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…

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…

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…

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…

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…

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 "…

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…

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…

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…

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…

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…

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…

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…

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…

When I joined Biohackathon Europe in Barcelona recently, I knew PacBio HiFi (High Fidelity) sequencing technology [1] that is highly accurate long read sequencing by circular consensus long-read [2]. For the long read sequencing, there is …

This page is the memo about installing miniconda (conda command) on Fedora Linux. I referred the document [1]. I wanted to install a bioconda package. Because I wanted to build a Galaxy tool using Planemo [2]. The tutorial is using biocond…

Recently I see customizing the libinput is useful to use input devices such as keyboard, trackpad (touchpad), trackpoind and mouse effectively on Linux. Here are the useful documents. https://wayland.freedesktop.org/libinput/doc/latest/ ht…

When I was looking at the ZSA's customizable keyboard: Plank EZ page - mouse emulation the keyboard on the firmware (hardware level), I was inspired. Maybe it's possible to emulate the mouse on the keyboard on the software level? The way 1…

I did set up my bluetooth keyboard by the company Golodtouch by command line on the i3 window manager on Fedora 34. Here are the list I checked to do it. I referred the [1][2][3]. Check the bluetooth service. $ systemctl status bluetooth C…

Seeing https://wiki.archlinux.org/title/Localization/Japanese, the project Anthy is actually dead project. So, I changed the Japanese input from fcitx-anthy to fcitx-kkc. $ sudo dnf remove fcitx-anthy $ sudo dnf install fcitx-kkc

Natural scrolling The natural scrolling is like double finger swipe like Mac OSX. As a default of i3 config, the double finger swipe scrolling is opposite direction. To enable it, add the following file, and restart the X. $ sudo vi /etc/X…

I used git bisect command related to this issue on the Ruby project. The situation is that the some tests in test/ruby/test_jit.rb fail on the v2_7_4 tag, but pass on v2_7_3 tag on the ruby/ruby repository. So, here is steps to find which …

While a mind map tool "FreeMind"'s development has not been updated for a long time and I see some bugs there, I can see the Freeplane is a better compatible FreeMind software on Mac and Linux now. You can open a .mm file created by FreeMi…

This article is to debug the C source code running a specific unit test in Ruby itself (ruby/ruby). First you can set your preferred compiler flags like this. Build $ autoconf $ optflags=-O0 debugflags="-g3 -ggdb3 -gdwarf-4" \ ./configure …

Last time I shared the top of Czech input environment here. I see the Czech UCW keyborad is the best choice so far. $ vi .config/i3/config ... exec --no-startup-id "setxkbmap -layout us,cz -variant ,ucw -option grp:caps_switch" ... $ setxk…

I wrote the article to set up Czech keyboard input environment. junaruga.hatenablog.com This time I would share what I improved for the topic, as I heard the info from my colleagues. Thanks! The key command is setxkbmap (= Set X keyboard m…

I am trying to make a friend with binary and debug reading 2 books "BINARY HACKS" and "DEBUG HACKS" written in Japanese. This time I would write about the segmentation fault and core file to debug on Fedora 33. Change the maximum size of t…

When investigating the current best practice to create a secure SSH key, I found this page. encryption - What are ssh-keygen best practices? - Information Security Stack Exchange The page said that the key "ed25519" was introduced at OpenS…

August 2020, last year, I changed the cgroups from v2 as a default setting to v1 on my Fedora because I wanted to run Docker on my Fedora [1]. The Docker did not support cgroups v2 at that time. However the time has passed. The Docker 20.1…

In my past blog, I wrote about how to set up i3 Japanese input environment [1]. This time I wrote about how to set up Czech input environment on i3. The articles [2], [3] were helpful. First check the current keyword setting by setxkbmap c…