Linux Kernel

The list of zram parameters

This article shows all parameters of zram which is module of linux kernel. You can customize zram as what you want!

How log2ram works.

This article introduces log2ram that will help you to move /var/log/ from microSD/HDD to RAM! With this package the lifetime of microSD will be longer than now with ease!
Smart Watch

I recommend Withings Steel HR with confidence!

This article introduces Withings' smart watch "Steel HR"! I used about 2 years so I can tell you what is pros and what is cons! If you are looking for smart watch that does not look like smart watch, this article perfectly matches!
Raspberry Pi

Let me introduce my which is available for Raspberry Pi 4!

This article introduces that can be used for setup of Raspberry Pi ! With this script you can finish boring setup only by 1 command! You can copy and use, or customize!
Anti Virus

How to set OnAccessPrevention true in clamonacc on Raspberry Pi 4 ?

This article shows how to resolve problem that clamonacc in clamav doesn't work if you set "OnAccessPrevention" as true. Here you can also see the disadvantage if you set true, so it is helpful if you are thinking about introducing it.
Anti Virus

How to suppress clamd using 100% when running clamonacc ?

This article shows how to resolve problem that clamonacc in clamav run uses CPU up to 100% because it always scans even if target file is not create nor overwritten. To fix it we need to download source code and rebuild clamav. Here you can see all commands which you need to run it, so you can easily introduce into your system!

How to install TLS certificate on Raspberry Pi 4 by using ZeroSSL?

This article shows how to setup HTTPS server by apache2 on Raspberry Pi, which certificate is issued by ZeroSSL who is rival of Let's Encrypt! It is very easy to create certificate because almost all operation can be done by GUI! Here you can see many images for each configuration screen, so you can do it!

How to switch root text of breadcrumblist by language in Cocoon

This article shows how to display string at top of breadcrumblist in Wordpress theme "Cocoon". By default it shows "ホーム" which means "Home" in Japanese. If this string is switched automatically your blog will be more close to user!

How to resolve if you cannot access nextcloud by domain name ?

This article shows the countermeasure if you face the error "Access through an un trusted domain" by nextcloud. Here you can see the file and location to be modified, so you can resolve it without any mistake!
Raspberry Pi

How to setup Raspberry Pi 4?

Do you want to know how to use Raspberry Pi which is now trend by IoT? This article shows how to setup by using many photoes. If you want to know, let's see it!