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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） # 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 {{endpoint}}/ {{release}} main restricted universe multiverse {{src}}deb-src {{endpoint}}/ {{release}} main restricted universe multiverse deb {{endpoint}}/ {{release}}-updates main restricted universe multiverse {{src}}deb-src {{endpoint}}/ {{release}}-updates main restricted universe multiverse deb {{endpoint}}/ {{release}}-backports main restricted universe multiverse {{src}}deb-src {{endpoint}}/ {{release}}-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 {{#mirror_security}} deb {{endpoint}}/ {{release}}-security main restricted universe multiverse {{src}}deb-src {{endpoint}}/ {{release}}-security main restricted universe multiverse {{/mirror_security}} {{^mirror_security}} deb http://security.ubuntu.com/ubuntu/ {{release}}-security main restricted universe multiverse {{src}}deb-src http://security.ubuntu.com/ubuntu/ {{release}}-security main restricted universe multiverse {{/mirror_security}} # 预发布软件源，不建议启用 {{proposed}}deb {{endpoint}}/ {{release}}-proposed main restricted universe multiverse {{proposed}}{{src}}deb-src {{endpoint}}/ {{release}}-proposed main restricted universe multiverse DEB822 格式（/etc/apt/sources.list.d/ubuntu.sources） Types: deb URIs: {{endpoint}} Suites: {{release_deb822}} {{release_deb822}}-updates {{release_deb822}}-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 {{src}}Types: deb-src {{src}}URIs: {{endpoint}} {{src}}Suites: {{release_deb822}} {{release_deb822}}-updates {{release_deb822}}-backports {{src}}Components: main restricted universe multiverse {{src}}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 {{#mirror_security}} Types: deb URIs: {{endpoint}} Suites: {{release_deb822}}-security Components: main restricted universe multiverse Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg {{src}}Types: deb-src {{src}}URIs: {{endpoint}} {{src}}Suites: {{release_deb822}}-security {{src}}Components: main restricted universe multiverse {{src}}Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg {{/mirror_security}} {{^mirror_security}} Types: deb URIs: http://security.ubuntu.com/ubuntu/ Suites: {{release_deb822}}-security Components: main restricted universe multiverse Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg {{src}}Types: deb-src {{src}}URIs: http://security.ubuntu.com/ubuntu/ {{src}}Suites: {{release_deb822}}-security {{src}}Components: main restricted universe multiverse {{src}}Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg {{/mirror_security}} # 预发布软件源，不建议启用 {{proposed}}Types: deb {{proposed}}URIs: {{endpoint}} {{proposed}}Suites: {{release_deb822}}-proposed {{proposed}}Components: main restricted universe multiverse {{proposed}}Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg {{proposed}}{{src}}Types: deb-src {{proposed}}{{src}}URIs: {{endpoint}} {{proposed}}{{src}}Suites: {{release_deb822}}-proposed {{proposed}}{{src}}Components: main restricted universe multiverse {{proposed}}{{src}}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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