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The objective of the Lubuntu project is to create a variant of Ubuntu that is lighter, less resource hungry and more energy-efficient by using lightweight applications and LXDE, The Lightweight X11 Desktop Environment, as its default GUI.

Lubuntu is targeted at PC and laptop users running on low-spec hardware that, in most cases, just don't have enough resources for all the bells and whistles of the "full-featured" mainstream distributions. Members of the team take care of LXDE and other packages that are part of Lubuntu. Lubuntu received official recognition as a formal member of the Ubuntu family, commencing with Lubuntu 11.10. Even though Lubuntu is a lightweight distribution, it does not mean you will not be able to run all applications that other distributions are currently offering. It does mean that it is prepared and developed for low-specification computers. Nonetheless, you can run any application available in the official repositories, as long as your hardware can bear with it.

Please join us and contribute to an exciting international Free and Open Source Software project. We look forward to working together with you.

システム要件

We have done many tests and we've found out that Lubuntu can be installed on a Pentium II or Celeron system with 128 MB of RAM, but such a system would not perform well enough for daily use.

With 256MB - 384MB of RAM, the performance will be better and the system will be more usable.

With 512MB of RAM, you don't need to worry much.

The default "Desktop" installer requires 384-800 MB of RAM (depending on selected options.) If you have problems, please use the alternative installer.

Lubuntu を入手

To download Lubuntu and see the various options available head over to Get Lubuntu. This section discusses both the standard installs and those required for computers with low memory (RAM), old chipsets (i586) and low disk-space (netbooks). Please read the release notes before you install.

最新リリースへのアップグレード

When upgrading, it is recommended that you back up your own data.

The update manager GUI will offer you the next release of lubuntu (it shows as Ubuntu, but updates Lubuntu); Alternatively, launch LXTerminal and enter

sudo do-release-upgrade

Lubuntu 対 Ubuntu

Both Lubuntu and Ubuntu share two major important things: same Core System and same Repositories. Lubuntu and Ubuntu belong to the same family and talking about each as totally different two systems is not correct since they have some things in common. Thus, we use the same Forum Area and share many Wiki Pages.

The differences between Lubuntu and Ubuntu are:

• Different DE - Lubuntu uses LXDE while Ubuntu uses Unity as the default DE.

• Different Default Applications

Other than that, they are the same. The DE is what makes Lubuntu a lightweight OS, and of course the selected applications too because we make sure to use the lightest applications which are not resource hungry. However, you are still free to use any application available in Ubuntu’s repositories, as long as your computer can run it.

Lubuntu is recognized as a member the Ubuntu family by the developers of Ubuntu.

As of 14.04, long term support (LTS) versions are available.

Lubuntu 対 Windows 7

For those of you who are feeling that your computer is not working anymore with Windows 7 because, say, it is getting slower, here is a chart comparing Lubuntu’s starting applications and the most used softwares in Windows 7:

These are the minimum hardware requirements in order to run Windows 7:

• 1 GHz processor or faster, 32 or 64 bits;
• 1 GB of RAM for the 32 bits version, or at least 2 for the 64 bits version;
• 16 GB of hard drive (32 bits) or 20 GB (64 bits);
• Graphics card that supports DirectX 9 with WDDM 1.0 controler or superior

For comparison, here are the minimum supported requirements of Lubuntu:

• 266 MHz processor;
• 128 MB;
• 3 GB hard drive;
• no fancy graphics

A more usable system would have:

• 512 MHz processor or faster, 32 or 64 bits;
• 512 MB of RAM;
• 6 GB hard drive;
• no fancy graphics

Lubuntu への貢献

Lubuntu が更に凄い物になるよう手助けをしたいですか？ 以下のリンクから詳細をご覧ください。私たちは以下の分野で貢献が必要です。

• バグ報告

• 翻訳

• コード & パッチ

• アートワーク

• ドキュメント

• マーケティング & 公報

• テスト

その他の詳細は、参加方法 のページでご利用いただけます。

リンク

公式リンク

• Lubuntu ウェブサイト

• Lubuntu ブログ

• Lubuntu on Launchpad

• Lubuntu Wiki マップ

• Lubuntu OneStopPage

• Lubuntu 高度な方法

IRC チャンネル

IRC（インターネットリレーチャット）は、インターネットからリアルタイムで行えるチャットです。これは主にチャンネルと呼ばれるディスカッションフォーラムで、グループ通信（複数人での会話）向けに設計されただけでなく、プライベートメッセージを介して個人同士の通信を可能にしています。IRC についてのヘルプが必要な場合はthis をお読みください。 Lubuntu に関連するチャンネルは下のとおりです。

ソーシャルメディア

LXDE

• LXDE ウェブサイト

• LXDE on Launchpad

• LXDE on Ubuntu Wiki

• Ubuntu LXDE デスクトップ

LXQt

LXQt は Qt ポートと LXDE の次期バージョンであり、軽量なデスクトップ環境です。 LXDE-Qt と Razor-qt プロジェクトが合わされて作られました。軽量、モジュール構成、素早く高速、ユーザー志向のデスクトップ環境となっています。LXQt の詳細情報、Lubuntu に影響される最新の動向については、 こちら を参照して下さい。