Ubuntu 软件仓库镜像使用帮助

本镜像仅包含 32/64 位 x86 架构处理器的软件包，在 ARM(arm64, armhf)、PowerPC(ppc64el)、RISC-V(riscv64) 和 S390x 等架构的设备上（对应官方源为 ports.ubuntu.com）请使用 ubuntu-ports 镜像。

对于 Ubuntu 不再支持的版本，请参考 Ubuntu 旧版本帮助。

在 Ubuntu 24.04 之前，Ubuntu 的软件源配置文件使用传统的 One-Line-Style，路径为 /etc/apt/sources.list；从 Ubuntu 24.04 开始，Ubuntu 的软件源配置文件变更为 DEB822 格式，路径为 /etc/apt/sources.list.d/ubuntu.sources。

将系统自带的对应文件做个备份，然后根据格式的选择下面对应的内容替换，即可使用选择的软件源镜像。

传统格式（`/etc/apt/sources.list`）：

Ubuntu 版本

使用官方安全更新软件源

启用 proposed

启用源码镜像

# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
deb https://(Loading...)/ noble main restricted universe multiverse
# deb-src https://(Loading...)/ noble main restricted universe multiverse
deb https://(Loading...)/ noble-updates main restricted universe multiverse
# deb-src https://(Loading...)/ noble-updates main restricted universe multiverse
deb https://(Loading...)/ noble-backports main restricted universe multiverse
# deb-src https://(Loading...)/ noble-backports main restricted universe multiverse

# 以下安全更新软件源包含了官方源与镜像站配置，如有需要可自行修改注释切换
# deb https://(Loading...)/ noble-security main restricted universe multiverse
# # deb-src https://(Loading...)/ noble-security main restricted universe multiverse

deb http://security.ubuntu.com/ubuntu/ noble-security main restricted universe multiverse
# deb-src http://security.ubuntu.com/ubuntu/ noble-security main restricted universe multiverse

# 预发布软件源，不建议启用
# deb https://(Loading...)/ noble-proposed main restricted universe multiverse
# # deb-src https://(Loading...)/ noble-proposed main restricted universe multiverse

DEB822 格式（`/etc/apt/sources.list.d/ubuntu.sources`）：

Ubuntu 版本

使用官方安全更新软件源

启用 proposed

启用源码镜像

Types: deb
URIs: https://(Loading...)
Suites: noble noble-updates noble-backports
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

# 默认注释了源码镜像以提高 apt update 速度，如有需要可自行取消注释
# Types: deb-src
# URIs: https://(Loading...)
# Suites: noble noble-updates noble-backports
# Components: main restricted universe multiverse
# Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

# 以下安全更新软件源包含了官方源与镜像站配置，如有需要可自行修改注释切换
# Types: deb
# URIs: https://(Loading...)
# Suites: noble-security
# Components: main restricted universe multiverse
# Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

# # Types: deb-src
# # URIs: https://(Loading...)
# # Suites: noble-security
# # Components: main restricted universe multiverse
# # Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

Types: deb
URIs: http://security.ubuntu.com/ubuntu/
Suites: noble-security
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

# Types: deb-src
# URIs: http://security.ubuntu.com/ubuntu/
# Suites: noble-security
# Components: main restricted universe multiverse
# Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

# 预发布软件源，不建议启用
# Types: deb
# URIs: https://(Loading...)
# Suites: noble-proposed
# Components: main restricted universe multiverse
# Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

# # Types: deb-src
# # URIs: https://(Loading...)
# # Suites: noble-proposed
# # Components: main restricted universe multiverse
# # Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

因镜像站同步有延迟，可能会导致生产环境系统不能及时检查、安装上最新的安全更新，不建议替换 security 源。

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Ubuntu 软件仓库镜像使用帮助

传统格式（/etc/apt/sources.list）：

DEB822 格式（/etc/apt/sources.list.d/ubuntu.sources）：

传统格式（`/etc/apt/sources.list`）：

DEB822 格式（`/etc/apt/sources.list.d/ubuntu.sources`）：