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It turns out that Certbot's automatic updates actually use a systemd timer by default

Hi, this is Kita. It sounds like a light novel title, but this time I'm writing about Let's Encrypt...

  • Infrastructure
4
273
Kita
2026.08.20

[CentOS7] Rpmbuild Redis 8, which does not have an official RPM for EL7

Introduction It's been a while. I'm Mikoto, a 2024 graduate who's starting to feel anxious as my juniors' training is nearing the end. This time...

  • Technical Blog
4
612
Mikoto
2025.08.01

[Linux] I want to delete all files on the server at once using the find command!

Introduction Hello. I'm Paru, a first-year infrastructure engineer in the System Solutions Department. Before I knew it, the year...

  • Infrastructure
9
5,939
Paru
2025.01.23

I changed the settings of the standard MacOS terminal!

Hello everyone! This is Fuuta from the System Solutions Department. As winter approaches, we'll be introducing heating appliances and other items to help you live comfortably.

  • Infrastructure
7
4,329
Fuuta
2023.12.01

[Windows] Automatically delete unnecessary log files periodically

Hello. I'm Kawa from the System Solutions Department. Our uptime has been around 12 minutes recently. It's already spring.

  • Osaka Office
29
44,585
Beyond Co., Ltd
2023.03.01

[Linux Commands] Cool Commands [Mini Usage Examples]

Introduction Hello, I'm Infrastructure Wasshoiman from the System Solutions Department. This time, I'll be talking about some cool Linux-related...

12
2,250
Beyond Co., Ltd
2023.01.18

Strengthen and better manage your Linux security with aide!

Security has been a hot topic for quite some time now. Especially in this digital age in Japan, many people are bound to use systems...

  • Security
7
5,386
Beyond Co., Ltd
2022.03.11

[What you need to know if you're looking to work for an IT company!] What is Linux? (For beginners)

Hello! I'm Inoue, a Persian cat from Beyond Co., Ltd.'s Shikoku office. 2022 has begun, so starting in April...

  • Infrastructure
  • Shikoku Office
2
2,461
Beyond Co., Ltd
2022.02.18

"Nice" is actually a command

I'm Inusuki from the System Solutions Department, a jack-of-all-trades otaku who loves games and anime. This time, I'll be talking about UNIX...

  • others
5
10,445
inusuki
2021.12.10

[For AWS Beginners] A 5-Minute Guide to Amazon ELB!

Hello! I'm Inoue, a Persian cat from Beyond Shikoku Office. This time, I'd like to talk about the Load Balancing feature provided by AWS...

  • Infrastructure
  • Shikoku Office
7
24,044
Beyond Co., Ltd
2021.06.22

This solves the problem! Change your forgotten MySQL root user password

Hello! I'm Inoue, a Persian cat from Beyond Inc.'s Shikoku office. One day, I happened to notice a...

  • Infrastructure
  • Security
  • Shikoku Office
14
79,454
Beyond Co., Ltd
2020.07.22

[For Linux Beginners] Done! Edit and save with vi commands

Hello! I'm Inoue, a Persian cat from Beyond Co., Ltd.'s Shikoku office. This time, I'll be introducing the "vi" command for editing files.

  • Shikoku Office
29
83,154
Beyond Co., Ltd
2020.06.23