執行以下命令確保 Repository 設定正確 參考官網
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| # Add Docker's official GPG key:
sudo apt update
sudo apt install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc
# Add the repository to Apt sources:
sudo tee /etc/apt/sources.list.d/docker.sources <<EOF
Types: deb
URIs: https://download.docker.com/linux/ubuntu
Suites: $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}")
Components: stable
Signed-By: /etc/apt/keyrings/docker.asc
EOF
sudo apt update
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安裝 docker
docker-buildx-plugin docker-compose-plugin 這兩個應該可以不用裝
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| sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
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看 docker 服務狀態
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| sudo systemctl status docker
# 輸出以下內容
# ● docker.service - Docker Application Container Engine
# Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; preset: enabled)
# Active: active (running) since Tue 2026-02-10 02:49:31 CST; 15s ago
# TriggeredBy: ● docker.socket
# Docs: https://docs.docker.com
# Main PID: 2594 (dockerd)
# Tasks: 15
# Memory: 29.0M (peak: 32.5M)
# CPU: 174ms
# CGroup: /system.slice/docker.service
# └─2594 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock
#
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避免每次都要敲 sudo 加入目前使用者 參考
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| sudo usermod -aG docker ${USER}
su - ${USER}
groups
# 輸出以下內容
# openclaw adm cdrom sudo dip plugdev users docker
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測試看看
列出目前的 images
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| docker images
# 輸出以下內容
# IMAGE ID DISK USAGE CONTENT SIZE EXTRA
# hello-world:latest 05813aedc15f 25.9kB 9.52kB U
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