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如何用Yum在Ubuntu上高效更新系统以保障安全？

96SEO 2025-06-30 00:35 1

Ubuntu Yum更新系统安全的方法

：更新鲜， 守护你的Ubuntu平安之门

系统的平安更新鲜如同人体的免疫系统，时刻在护着着我们免受病毒的侵害。Ubuntu，作为一款备受欢迎的Linux发行版，其平安性和稳稳当当性是我们选择它的关键因素。只是因为时候的推移，系统兴许基本上原因是缺乏更新鲜而变得不平安。那么怎么高大效地更新鲜Ubuntu系统，确保我们的信息平安呢？本文将为您揭开这一神秘面纱。

一、 了解apt：Ubuntu的包管理利器

在Ubuntu中，apt是系统的基本上包管理器，负责安装、更新鲜和删除柔软件包。

命令 作用
sudo apt update 升级现有柔软件包
sudo apt upgrade 安装升级工具
sudo apt install update-manager-core 启动系统升级
sudo do-release-upgrade 确认升级

二、系统更新鲜的关键性

系统更新鲜是保持Ubuntu平安的关键。通过更新鲜， 我们能解决以下问题：

  • 修优良已知的平安漏洞
  • 提升系统性能
  • 许多些新鲜功能

三、高大效更新鲜Ubuntu系统

  1. 升级现有柔软件包：用sudo apt update命令，升级系统中已安装的全部柔软件包至最新鲜版本。
  2. 安装升级工具：对于有些升级操作，兴许需要安装update-manager-core包。用sudo apt install update-manager-core命令安装。
  3. 启动系统升级：运行sudo do-release-upgrade命令，开头系统版本升级过程。
  4. 确认升级：按照提示完成升级过程。兴许需要沉启系统。

四、 自动更新鲜：让平安升级不再烦恼

为了确保系统始终保持最新鲜状态，能设置自动更新鲜。

1. 打开终端。

2. 输入sudo apt-get install unattended-upgrades，然后按Enter键。

3. 安装完成后编辑/etc/apt/apt.conf文件，添加以下内容：

Unattended-Upgrade::Remove-Unwanted-kgpg; "false";
    Unattended-Upgrade::Remove-Legacy-Kernel; "false";
    Unattended-Upgrade::Remove-OldKernels; "false";
    Unattended-Upgrade::Remove-EOL; "false";
    Unattended-Upgrade::Remove-Unused-Dependencies; "true";
    Unattended-Upgrade::NewRelease; "true";
    Unattended-Upgrade::Upgrade-Without-Deps; "true";
    Unattended-Upgrade::Automatic-Reboot; "true";
    Unattended-Upgrade::Automatic-Reboot-Time; "30";
    Unattended-Upgrade::Allowed-Origins; "deb http://security.ubuntu.com/ubuntu/ bionic-security main restricted";
    Unattended-Upgrade::Deb-Pattern; "*";
    Unattended-Upgrade::Allowed-Changes; "true";
    Unattended-Upgrade::Remove-Unused-Engines; "true";
    Unattended-Upgrade::UseOrigin; "true";
    Unattended-Upgrade::Version-Pattern; "bionic";
    Unattended-Upgrade::Version-Pattern; "bionic-updates";
    Unattended-Upgrade::Version-Pattern; "bionic-security";
    Unattended-Upgrade::Version-Pattern; "bionic-backports";
    Unattended-Upgrade::Version-Pattern; "bionic-proposed";
    Unattended-Upgrade::Version-Pattern; "bionic-updates-security";
    Unattended-Upgrade::Version-Pattern; "bionic-updates-proposed";
    Unattended-Upgrade::Version-Pattern; "bionic-backports-security";
    Unattended-Upgrade::Version-Pattern; "bionic-backports-proposed";
    Unattended-Upgrade::PackageSelection; "safe-upgrade";
    Unattended-Upgrade::UpgradeDeps; "false";
    Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Debug; "false";
    Unattended-Upgrade::CheckNewVersion; "true";
    Unattended-Upgrade::Version-Upgrade; "true";
    Unattended-Upgrade::Upgrade-Without-Automatic-Reboot; "true";
    Unattended-Upgrade::Max-Age; "0";
    Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-proposed";
    Unattended-Upgrade::Unattended-Upgrade::PackageSelection; "safe-upgrade";
    Unattended-Upgrade::Unattended-Upgrade::UpgradeDeps; "false";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Debug; "false";
    Unattended-Upgrade::Unattended-Upgrade::CheckNewVersion; "true";
    Unattended-Upgrade::Unattended-Upgrade::Version-Upgrade; "true";
    Unattended-Upgrade::Unattended-Upgrade::Upgrade-Without-Automatic-Reboot; "true";
    Unattended-Upgrade::Unattended-Upgrade::Max-Age; "0";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-proposed";
    Unattended-Upgrade::Unattended-Upgrade::PackageSelection; "safe-upgrade";
    Unattended-Upgrade::Unattended-Upgrade::UpgradeDeps; "false";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Debug; "false";
    Unattended-Upgrade::Unattended-Upgrade::CheckNewVersion; "true";
    Unattended-Upgrade::Unattended-Upgrade::Version-Upgrade; "true";
    Unattended-Upgrade::Unattended-Upgrade::Upgrade-Without-Automatic-Reboot; "true";
    Unattended-Upgrade::Unattended-Upgrade::Max-Age; "0";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-proposed";
    Unattended-Upgrade::Unattended-Upgrade::PackageSelection; "safe-upgrade";
    Unattended-Upgrade::Unattended-Upgrade::UpgradeDeps; "false";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Debug; "false";
    Unattended-Upgrade::Unattended-Upgrade::CheckNewVersion; "true";
    Unattended-Upgrade::Unattended-Upgrade::Version-Upgrade; "true";
    Unattended-Upgrade::Unattended-Upgrade::Upgrade-Without-Automatic-Reboot; "true";
    Unattended-Upgrade::Unattended-Upgrade::Max-Age; "0";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-proposed";
    Unattended-Upgrade::Unattended-Upgrade::PackageSelection; "safe-upgrade";
    Unattended-Upgrade::Unattended-Upgrade::UpgradeDeps; "false";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Debug; "false";
    Unattended-Upgrade::Unattended-Upgrade::CheckNewVersion; "true";
    Unattended-Upgrade::Unattended-Upgrade::Version-Upgrade; "true";
    Unattended-Upgrade::Unattended-Upgrade::Upgrade-Without-Automatic-Reboot; "true";
    Unattended-Upgrade::Unattended-Upgrade::Max-Age; "0";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-proposed";
    Unattended-Upgrade::Unattended-Upgrade::PackageSelection; "safe-upgrade";
    Unattended-Upgrade::Unattended-Upgrade::UpgradeDeps; "false";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Debug; "false";
    Unattended-Upgrade::Unattended-Upgrade::CheckNewVersion; "true";
    Unattended-Upgrade::Unattended-Upgrade::Version-Upgrade; "true";
    Unattended-Upgrade::Unattended-Upgrade::Upgrade-Without-Automatic-Reboot; "true";
    Unattended-Upgrade::Unattended-Upgrade::Max-Age; "0";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-proposed";
    Unattended-Upgrade::Unattended-Upgrade::PackageSelection; "safe-upgrade";
    Unattended-Upgrade::Unattended-Upgrade::UpgradeDeps; "false";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Debug; "false";
    Unattended-Upgrade::Unattended-Upgrade::CheckNewVersion; "true";
    Unattended-Upgrade::Unattended-Upgrade::Version-Upgrade; "true";
    Unattended-Upgrade::Unattended-Upgrade::Upgrade-Without-Automatic-Reboot; "true";
    Unattended-Upgrade::Unattended-Upgrade::Max-Age; "0";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-proposed";
    Unattended-Upgrade::Unattended-Upgrade::PackageSelection; "safe-upgrade";
    Unattended-Upgrade::Unattended-Upgrade::UpgradeDeps; "false";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Debug; "false";
    Unattended-Upgrade::Unattended-Upgrade::CheckNewVersion; "true";
    Unattended-Upgrade::Unattended-Upgrade::Version-Upgrade; "true";
    Unattended-Upgrade::Unattended-Upgrade::Upgrade-Without-Automatic-Reboot; "true";
    Unattended-Upgrade::Unattended-Upgrade::Max-Age; "0";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-updates-proposed";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-security";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic-backports-proposed";
    Unattended-Upgrade::Unattended-Upgrade::PackageSelection; "safe-upgrade";
    Unattended-Upgrade::Unattended-Upgrade::UpgradeDeps; "false";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Debug; "false";
    Unattended-Upgrade::Unattended-Upgrade::CheckNewVersion; "true";
    Unattended-Upgrade::Unattended-Upgrade::Version-Upgrade; "true";
    Unattended-Upgrade::Unattended-Upgrade::Upgrade-Without-Automatic-Reboot; "true";
    Unattended-Upgrade::Unattended-Upgrade::Max-Age; "0";
    Unattended-Upgrade::Unattended-Upgrade::Download-Only; "false";
    Unattended-Upgrade::Unattended-Upgrade::Version-Pattern; "bionic";
    Unattended-Upgrade::Unattended-Upgrade::

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