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Linux Mint 发布了代号为 "Cindy" 的 LMDE 3（全称 Linux Mint Debian Edition 3） 正式版下载，它基于 Debian 9 Stretch，采用 Cinnamon 为默认桌面环境。Linux Mint 是基于 Ubuntu 的，而 LMDE 是专注于基于 Debian 的。
LMDE 是 Linux Mint 的一个子项目，为 Linux Mint Debian Edition 之缩写。顾名思义，LMDE 是 Linux Mint 发行版基于 Debian 的版本，也是其团队对除 Ubuntu 之外的底层系统发展方向的探索。LMDE 没有小更新（point releases）。除了 Bug 及安全性问题修复，Debian 基础包保持不变，但 Mint 及桌面组件不断更新。当可用时，新开发的特性将直接并入 LMDE，而它们将被包含于下次发布的 Linux Mint 小更新。
安装要求 1GB RAM（推荐使用 2GB 以方便使用）。 15 GB 磁盘空间（建议 20GB）。 1024×768 分辨率（在较低分辨率下，如果它们不适合屏幕，请按 ALT 用鼠标拖动窗口）。
注意 64 位 ISO 可以使用 BIOS 或 UEFI 启动。 32 位 ISO 只能使用 BIOS 启动。 所有现代计算机都推荐使用 64 位 ISO（自 2007 年以来销售的所有计算机几乎都配备了 64 位处理器）。
附：How to upgrade to LMDE 3 A. Introduction This tutorial explains how to upgrade to LMDE 3. B. General considerations B1. Did you create a system snapshot? If anything breaks or if anything goes wrong during the upgrade, you can go back in time and revert all changes by restoring your latest system snapshot. Whatever happens, you're covered. B2. Did you make backups? Your personal data is the most valuable thing in your computer. If anything happens and you break your operating system, it's not a problem, it can be reinstalled or restored via a system snapshot. If you lose your data or you're unable to access it... that's a different story. To be safe, make a full backup of your data on an external device (USB stick or DVD). C. Requirements To upgrade to LMDE 3 you need to satisfy the following requirements. C1. Experience with APT and the command line Upgrading to a newer package base is not trivial and it should not be performed by novice users. You need to know how to type commands and read their output. You also need to be experienced with APT. During the upgrade you'll need to understand the output of APT commands. You'll need to understand if a package needs to be removed, if it blocks the upgrade, if it conflicts with another package etc etc. C2. LMDE 2 Cinnamon edition The upgrade tool only upgrades LMDE 2 Cinnamon edition. The MATE edition of LMDE was discontinued. C2. Timeshift snapshot To install timeshift, open a terminal and type: apt install timeshift Then launch "Menu -> Administration -> Timeshift". Follow the wizard to select a destination for your snapshots. In the toolbar, click on the "Create" button to make a manual snapshot of your operating system. If anything goes wrong, you'll be able to restore your operating to this current state, either from within LMDE, or by launching Timeshift from a live Mint session (live DVD or live USB). C2. LightDM To know which display manager you are currently using, open a terminal and type: cat /etc/X11/default-display-manager If the result is "/usr/sbin/lightdm", you can skip this step. If the result is "/usr/sbin/mdm", you need to switch display managers by installing lightdm and removing mdm. Open a terminal and type: apt install lightdm lightdm-settings slick-greeter When asked to choose a display manager between MDM and LightDM, choose LightDM. Open a terminal and type: apt remove --purge mdm mint-mdm-themes* sudo dpkg-reconfigure lightdm sudo reboot D. How to upgrade D1. Update your LMDE 2 system Using the Update Manager, click on "Refresh" to refresh the APT cache and apply all updates. D2. Give your terminal unlimited scrolling Open a terminal. Click on "Edit"->"Profile Preferences"->"Scrolling". Check the "unlimited" option and click "OK". D3. Install the upgrade tool To install the upgrade tool, open a terminal and type: apt install mintupgrade D4. Check the upgrade To simulate an upgrade, open a terminal and type: mintupgrade check Then follow the instructions on the screen. This command temporarily points your system to the LMDE 3 repositories and calculates the impact of an upgrade. Note that this command doesn't affect your system. After the simulation is finished, your original repositories are restored. The output shows you if the upgrade is possible, and if it is, which packages would be upgraded, installed, removed and kept back. It is extremely important that you pay close attention to the output of this command. Keep using "mintupgrade check" and do not proceed to the next step, until you're happy with the output. D5. Download the package upgrades To download the packages necessary to upgrade to LMDE 3, type the following command: mintupgrade download Note that this command doesn't actually perform the upgrade itself, but just downloads the packages. Note also that this command points your system to the LMDE 3 repositories (if you want to go back to LMDE 2 after using this command, you still can, with the command "mintupgrade restore-sources"). Use the "mintupgrade download" command until all the packages are successfully downloaded. D6. Apply the upgrades Note: This step is non-reversible. Once you perform it, the only way to go back is by restoring a system snapshot. Make sure you've made a snapshot before following this last step. To apply the upgrades, type the following command: mintupgrade upgrade D7. Downgrade foreign packages Some packages either no longer exist in LMDE 3, or have a lower version than in LMDE 2 (MATE packages in particular were version 1.18 in LMDE 2 but only 1.16 in LMDE 3 now that MATE is no longer maintained by LMDE but maintained by Debian directly). To guarantee they function properly, they need to be downgraded. Launch the Software Sources tool from "Menu -> Administration -> Software Sources". Open the "Maintenance" tab and click on "Downgrade Foreign Packages". Select all foreign packages and click "Downgrade". D8. Delete foreign packages Launch the Software Sources tool from "Menu -> Administration -> Software Sources". Open the "Maintenance" tab and click on "Remove Foreign Packages". Select all foreign packages and click "Remove".
下载地址 lmde-3-201808-cinnamon-64bit.iso（建议下载64位版本，更优良的系统性能。）
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