Linux, Server Setup, Networking

byobuのScreen modeが実はtmuxだった

In server administration and programming, splitting a single terminal screen to multitask concurrently is a common wo ...

Linux, Server Setup, Networking

Tailscaleサブネットルータで宅外から宅内マシンにアクセス:IPフォワーディングの設定と注意点

In PiKVM built with Raspberry Pi 3, Pico, and an ultra-cheap USB capture board – VPN Monitoring Edition, we explained ...

Linux, Server Setup, Networking

独自ドメイン不要!プライベートサーバでGmail APIを利用するための「身代わり認証」実践ガイド

Suppose you want to call the Gmail API from an application running on a server within your home LAN (192.168.x.x). Wh ...

Linux, Server Setup, Networking

外部からの入口を「NLB →(OCI1またはOCI2)→ 自宅サーバ」に統一

Previously, I operated a setup where an instance (OCI1) was deployed on OCI (Oracle Cloud Infrastructure)—utilizing t ...

Linux, Server Setup, Networking

自宅鯖SSL問題を解決!OCI NginxとローカルOLSの証明書競合の回避方法

The server architecture of our blog, “Nando Kobo,” has evolved into its current form after overcoming sev ...

Linux, Server Setup, Networking

【Ubuntu 24.04】ノートPCのふたを閉じるとスリープしてWi-Fiが切れる問題と対策(Surface Pro 5実例)

Although the Surface Pro 5 (CPU: Core i7-7660U) is still powerful enough for daily use, it is restricted by not being ...

Linux, Server Setup, Networking

bashのhistoryを強化するおすすめ設定

When working daily in the terminal on Linux or macOS, the “history” feature for recalling previously exec ...

Linux, Server Setup, Networking

find で見つけた mp3 ファイルを一か所にまとめて移動する方法【スペース・日本語ファイル名にも対応】

You might want to gather various `.mp3` files—such as music or recordings—into a single location, ignoring the existi ...

Linux, Server Setup, Networking

SSHポートフォワード徹底解説:ローカル・リモート・ダイナミック・多段ProxyJumpの違いと活用法

In our previous article, we covered multi-hop SSH port forwarding using ProxyJump (Multi-hop Port Forwarding with SSH ...

Linux, Server Setup, Networking

ProxyJumpで多段SSHポートフォワード

In secure network environments, SSH port forwarding is extremely useful for safely accessing internal servers. When y ...