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[[Category:Desktop environments]]
 
{{Article summary start}}
 
{{Article summary text|LXDE is a GPL-licensed open source desktop environment for Unix and other POSIX-compliant platforms, such as Linux. This article covers its installation, configuration, and troubleshooting.}}
 
{{Article summary text|LXDE uses the [[GTK+]] toolkit.}}
 
{{Article summary heading|Overview}}
 
{{Article summary text|{{Graphical user interface overview}}}}
 
{{Article summary end}}
 
 
 
From [http://lxde.org/ LXDE.org | Lightweight X11 Desktop Environment]:
 
 
 
:''LXDE、"Lightweight X11 Desktop Environment"は極めて高いパフォーマンスと省エネルギーなデスクトップ環境です。開発者たちの国際的なコミュニティにより管理され、美しいインタフェース、多言語対応、標準的なキーボードショートカットとタブファイラーのような追加機能を含みます。LXDEはCPUもRAMも他のデスクトップ環境に比べも消費が少ないです。特に、ネットブック、モバイル端末や、古い計算機などによるクラウドコンピューティングのためにデザインされています。
 
 
 
== インストール ==
 
LXDEはあなたが必要とするパッケージを選択できるようによくモジュール化されています。あなたがLXDEを動かすために最小限必要なパッケージは{{Pkg|lxde-common}}, {{Pkg|lxsession}}, {{Pkg|desktop-file-utils}}です。 and a window manager.
 
 
 
LXDEをインストールするには次を実行します:
 
# pacman -S lxde
 
 
 
これは次のパッケージをインストールします:
 
* {{Pkg|gpicview}}: 軽量画像ビューワ
 
* {{Pkg|libfm}}: ファイル管理用ライブラリ
 
* {{Pkg|lxappearance}}: GTK+アプリケーションのテーマ、アイコン、フォントを設定するためのユーティリティ
 
* {{Pkg|lxappearance-obconf}}: LXAppearanceでOpenboxを設定するためのプラグイン
 
* {{Pkg|lxde-common}}: 異なるLXDEコンポーネントを統合するためのデフォルト設定
 
* {{Pkg|lxde-icon-theme}}: LXDEのアイコンテーマ
 
* {{Pkg|lxdm}}: 軽量ディスプレイマネージャ
 
* {{Pkg|lxinput}}: LXDEのキーボードとマウスを設定するためのプログラム
 
* {{Pkg|lxlauncher}}: ネットブック向けランチャ
 
* {{Pkg|lxmenu-data}}: freedesktop.orgのメニュー仕様を適応させるために意図されたファイルのコレクション
 
* {{Pkg|lxmusic}}: 軽量XMMS2クライアント
 
* {{Pkg|lxpanel}}: LXDE用デスクトップパネル
 
* {{Pkg|lxrandr}}: スクリーンマネージャ
 
* {{Pkg|lxsession}}: シャットダウン、再起動、サスペンドをサポートしたX11用セッションマネージャ
 
* {{Pkg|lxshortcut}}: アプリケーションショートカットを編集するためのプログラム
 
* {{Pkg|lxtask}}: 軽量タスクマネージャ
 
* {{Pkg|lxterminal}}: 軽量ターミナルエミュレータ
 
* {{Pkg|menu-cache}}: 自動的にLXDEのためのメニューを生成するデーモン
 
* {{Pkg|openbox}}: 軽量で、規格に準拠し、カスタマイズ性の高い、歴史的にLXDEと共に使われてきたウィンドウマネージャ
 
* {{Pkg|pcmanfm}}: デスクトップへの統合を提供するLXDE用軽量ファイラ
 
 
 
インストール終了後、pacmanに支持されたとおりに次の3つのファイルを~/.config/openboxにコピーしてください:
 
Place menu.xml, rc.xml and autostart in ~/.config/openbox
 
これらは /etc/xdg/openbox の中にあります。
 
 
 
As the user of interest
 
mkdir -p ~/.config/openbox
 
cp /etc/xdg/openbox/menu.xml /etc/xdg/openbox/rc.xml /etc/xdg/openbox/autostart ~/.config/openbox
 
 
 
次に[[gamin|Gamin]]をインストールする必要があります。これは[[FAM]]のサブセットとしてデザインされたファイルとディレクトリの監視ツールです。これはプログラムの呼び出しにより実行されるので、famのようなデーモンを必要としません。もし既にfamをインストールしているなら、最初に{{ic|/etc/rc.conf}}の中のDAEMON行から削除してデーモンを終了し、gaminをインストールしてください:
 
# pacman -S gamin
 
 
 
また、一般的にLXDEで使用されるいくつかの軽量アプリケーションをインストールしたいかもしれません。
 
# pacman -S leafpad obconf epdfview
 
 
 
いくつかのLXDEのパッケージは実験段階であり、それらは[[AUR]]リポジトリからインストールする必要があるのを注意してください。
 
 
 
== デスクトップの開始 ==
 
LXDEデスクトップを開始するためには多くの手段があります。
 
=== Display Managers ===
 
If you are using a [[Display Manager|display manager]] like [[GDM]], [[KDM]], or [[SLiM]], switch the session to LXDE. Please consult the display manager's wiki page for instructions.
 
 
 
Instructions for using [[LXDM]], an experimental display manager provided by the LXDE project, are included in [[LXDM]] page.
 
 
 
If not using a display manager you would like to add
 
 
 
export DESKTOP_SESSION=LXDE
 
 
 
to your ~/.bash_profile in order xdg-open to function properly.
 
 
 
=== Console ===
 
 
 
To be able to start the desktop from the console, several other options exist.
 
 
 
To use '''startx''', you will need to define LXDE in your {{ic|~/.xinitrc}} file:
 
 
 
exec startlxde
 
 
 
If you want to run '''startx''' at boot automatically, take a look at the [[Start X at Boot#Starting X as preferred user without logging in |Starting X at boot]] guide.
 
 
 
For other tasks you'll want to be sure that dbus is running as a daemon.
 
 
 
See [[xinitrc]] for details, such as preserving the logind (and/or consolekit) session.
 
 
 
== Tips and tricks ==
 
=== Application Menu Editing ===
 
The application menu works by resolving the {{ic|.desktop}} files located in {{ic|/usr/share/applications}}. Many desktop environments run programs that supersede these settings to allow customization of the menu. LXDE has yet to create an application menu editor but you can manually build them yourself if you are so inclined. Third party menu editor can be found in [[AUR]] - {{aur|lxmed}}
 
 
 
To add or edit a menu item, create or link to the {{ic|.desktop}} file in {{ic|/usr/share/applications}}. Consult [http://standards.freedesktop.org/desktop-entry-spec/latest/ the desktop entry specification] on freedesktop.org for structures of {{ic|.desktop}} files.
 
 
 
To remove items from the menu, instead of deleting the {{ic|.desktop}} files, you can edit the file and add the following line in the file:
 
NoDisplay=true.
 
To expedite the process for a good number of files you can put it in a loop. For example:
 
cd /usr/share/applications
 
for i in program1.desktop program2.desktop ...; do cp /usr/share/applications/$i \
 
/home/user/.local/share/applications/; echo "NoDisplay=true" >> \
 
/home/user/.local/share/applications/$i; done
 
This will work for all applications except KDE applications. For these, the only way to remove them from the menu is to log into KDE itself and use it's menu editor. For every item that you do not want displayed, check the 'Show only in KDE' option. If adding NoDisplay=True won't work, you can add ShowOnlyIn=XFCE.
 
 
 
=== Auto Mount ===
 
[[PCManFM#Volume_handling]]
 
 
 
=== Autostart Programs ===
 
; .desktop files
 
 
 
First you can link a program's {{ic|.desktop}} in {{ic|/usr/share/applications/}} file to {{ic|~/.config/autostart/}}. For example, to execute lxterminal automatically at startup:
 
$ ln -s /usr/share/applications/lxterminal.desktop ~/.config/autostart/
 
Once {{ic|.desktop}} files have been added you can manipulate them with the GUI configuration tool {{AUR|lxsession-edit}}.
 
 
 
; autostart file
 
The second method is to use a {{ic|~/.config/lxsession/LXDE/autostart}} file. This file is not a shell script, but each line represents a command to be executed, if a line begins with a @ symbol, the command following the @ will be automatically re-executed if it crashes. For example, to execute lxterminal and leafpad automatically at startup:
 
{{hc|~/.config/lxsession/LXDE/autostart|
 
@lxterminal
 
@leafpad
 
}}
 
{{Note|The commands do '''not''' end with a & symbol.}}
 
There is also a global autostart file at {{ic|/etc/xdg/lxsession/LXDE/autostart}}. If both files are present, all entries in both files will be executed.
 
 
 
=== Bindings ===
 
Mouse and key bindings (i.e. keyboard shortcuts) are implemented with Openbox and are described in detail [http://openbox.org/wiki/Help:Bindings here]. LXDE users should follow these instructions to edit the file ~/.config/openbox/lxde-rc.xml
 
 
 
An optional GUI for editing the key bindings is {{AUR|obkey}} available in the AUR. The default edit for obkey is rc.xml, but you can direct it to the LXDE configuration as follows:
 
 
 
$ obkey ~/.config/openbox/lxde-rc.xml
 
 
 
More information on obkey is [http://code.google.com/p/obkey/ here].
 
 
 
=== Cursors ===
 
Main article: [[X11 Cursors]].
 
 
 
The latest {{AUR|lxappearance2-git}} in [[AUR]] provides functionality to change cursor themes. If you do not want to install newer, experimental lxappearance2, you'll have to define your cursor in your {{ic|~/.Xdefaults}} file. See [[X11_Cursors#Choosing_and_Configuring_Cursor_Themes|Configuring Cursor Themes]].
 
 
 
A basic way is to add the cursor to the default theme. First you will need to make the directory:
 
# mkdir /usr/share/icons/default
 
Then you can specify to add to the icon theme the cursor. This will use the {{Pkg|xcursor-bluecurve}} pointer theme:
 
{{hc|/usr/share/icons/default/index.theme|2=
 
[icon theme]
 
Inherits=Bluecurve
 
}}
 
 
 
==== Custom folder icons in $HOME ====
 
 
 
Currently it looks like PCmanFM doesn't support this:
 
 
 
https://bbs.archlinux.org/viewtopic.php?pid=851397#p851397
 
 
 
=== Digital clock applet time ===
 
 
 
You can right click on the digital clock applet on the panel and set how it displays the current time. For example, to display standard time instead of military time in the format of HH:MM:SS:
 
 
 
%I:%M
 
 
 
And in YYYY/MM/DD HH:MM:SS format:
 
 
 
%Y/%m/%d %H:%M:%S
 
 
 
If you wish to display standard time with and AM/PM:
 
 
 
%I:%M %p
 
 
 
See the man page on {{Ic|strftime (3)}} for more options.
 
 
 
=== Font Settings ===
 
Most users of LXDE usually try to use GTK+ programs because GTK+ is the backend for LXDE. To set the fonts, you can use {{Pkg|lxappearance}} and set the main font. For other fonts you will need to use the '''Openbox configuration tool''' ObConf:
 
# pacman -S obconf
 
 
 
=== Keyboard layout ===
 
====Using udev====
 
 
 
When you use [[udev]], the default input configuration is written to {{ic|/etc/X11/xorg.conf.d/10-evdev.conf}} under {{ic|Section "InputClass"}}. You can edit it or create a new file {{ic|/etc/X11/xorg.conf.d/10-keyboard.conf}} following the example below, using a generic ''swiss'' keyboard, with a ''french'' variant.
 
Section "InputClass"
 
    Identifier        "evdev keyboard catchall"
 
    MatchIsKeyboard  "on"
 
    MatchDevicePath  "/dev/input/event*"
 
    Driver            "evdev"
 
    Option            "XkbModel" "pc104"
 
    Option            "XkbLayout" "fr"
 
    Option            "XknVariant" "ch"
 
EndSection
 
You can find a list of all layout and variant options in {{ic|/usr/share/X11/xkb/rules/base.lst}}.
 
 
 
====Other way====
 
 
 
1 way:
 
Add in /etc/xdg/lxsession/LXDE/autostart following line before @lxpanel --profile LXDE:
 
@setxkbmap -option grp:switch,grp:alt_shift_toggle,grp_led:scroll us,ru
 
or ~/.config/lxsession/LXDE/autostart (for separate user):
 
setxkbmap -option grp:switch,grp:alt_shift_toggle,grp_led:scroll us,ru
 
2 way:
 
Create /etc/xdg/autostart/setxkmap.desktop as following:
 
[Desktop Entry]
 
Version=1.0
 
Encoding=UTF-8
 
Name=Fix keyboard settings
 
Exec=setxkbmap -rules xorg -layout "us,ru" -variant ",winkeys" -option "grp:alt_shift_toggle"
 
Terminal=false
 
Type=Application
 
3 way:
 
Edit ~/.Xkbmap for current user or /etc/X11/Xkbmap for all system add following line:
 
-option grp:alt_shift_toggle,grp_led:scroll us,ru
 
4 way:
 
Add folowing line in /etc/X11/xinit/xinitrc or ~/.xinitrc:
 
setxkbmap -option grp:alt_shift_toggle,grp_led:scroll us,ru
 
5 way:
 
Install [http://fbxkb.sourceforge.net/ fbxkb] from [[AUR]]
 
 
 
6 way:
 
[[Xorg#Switching_Between_Keyboard_Layouts]]
 
 
 
==== Add the “Keyboard Layout Switcher” to our taskbar ====
 
 
 
# Right-click on your taskbar
 
# Choose “Add / Remove Panel Items”
 
# Choose “Add”
 
# Choose “Keyboard Layout Switcher”
 
 
 
=== Gnome-screensaver with LXDE ===
 
 
 
Install the needed packages:
 
pacman -S gnome-screensaver gnome-session
 
 
 
Create a simple launcher for gnome-session to allow the screensaver to work in {{ic|~/.config/autostart/gnome-session.desktop}}
 
 
 
[Desktop Entry]
 
Exec=/usr/bin/gnome-session
 
 
 
Now logout and log back in to enjoy gnome-screensaver.
 
 
 
=== lxpanel Icons ===
 
Default icons used by lxpanel are stored in {{ic|/usr/share/pixmaps}} and any custom icons you want lxpanel to use need to be saved there as well.
 
 
 
You can change default icons for applications by taking the following steps:
 
# Save the new icon to /usr/share/pixmaps
 
# Use a text editor to open the {{ic|.desktop}} file of the program whose icon you want to change in {{ic|/usr/share/applications}}.
 
# Change
 
Icon=/default/icon/.png
 
to
 
Icon=/name/of/new/icon/added/to/pixmaps/.png
 
 
 
=== LXNM ===
 
{{Note|LXNM is no longer under active development. It's [http://wiki.lxde.org/en/LXNM suggested] to use NetworkManager and nm-applet.}}
 
LXNM is a program based on scripts that attempts to manage the network connections. It is script-based and strives to make networking configuration as automatic as possible. It is not a full blown networking system like [[NetworkManager]]. If you want greater control, [[Wicd]] and Gnome's verions of [[NetworkManager]] works well with LXDE. You can install LXNM from [community] repository:
 
# pacman -S lxnm
 
The main script will need to be run as root. If you plan on consistently using it, put it in your {{ic|/etc/rc.conf}}. LXNM works with the network status monitor applet in lxpanel. LXNM works well most of the time, though at times it can take a while to get a connection.
 
 
 
=== [[PCManFM]] ===
 
 
 
If you want to be able to access the Trash, mount volumes, and folder/file tracking you'll want gvfs support:
 
 
 
pacman -S polkit-gnome gvfs
 
 
 
polkit-gnome provides an authentication and will need to be started on login:
 
 
 
mkdir -p ~/.config/autostart
 
cp /etc/xdg/autostart/polkit-gnome-authentication-agent-1.desktop ~/.config/autostart
 
 
 
Arch's polkit-gnome-authentication-agent-1.desktop currently doesn't exempt certain desktops. If you have trouble launching it remove the line:
 
 
 
OnlyShowIn=GNOME;XFCE;
 
 
 
[http://wiki.lxde.org/en/LXDE:PCManFM_build_and_setup_guide#Setup_Runtime_Environment_Correctly PCManFM @ LXDE wiki]
 
 
 
To read/write NTFS file system don't forget to install [[ntfs-3g]]:
 
 
 
pacman -S ntfs-3g
 
 
 
=== Replacing Window Managers ===
 
[[Openbox]], the default window manager of LXDE, can be easily replaced by other window managers, such as fvwm, icewm, dwm, metacity, compiz ...etc.
 
 
 
LXDE will attempt to use window manager from the user lxsession configuration file {{ic|~/.config/lxsession/LXDE/desktop.conf}}. If it does not exist, it will then attempt to use the global configuration file {{ic|/etc/xdg/lxsession/LXDE/desktop.conf}}.
 
 
 
Replace the openbox-lxde command with the window manager of your choice:
 
[Session]
 
window_manager=openbox-lxde
 
For metacity:
 
window_manager=metacity
 
For compiz:
 
window_manager=compiz ccp --indirect-rendering
 
 
 
=== Shutdown, Reboot, Suspend and Hibernate Options ( LXSession-logout) ===
 
To have all Shutdown, Reboot, Suspend and Hibernate Options working you need to have dbus running. You also need to have upower installed.
 
 
 
# pacman -S upower
 
 
 
See [[xinitrc#Preserving the session]] for details on avoiding breaking the logind/consolekit session.
 
 
 
== Troubleshooting ==
 
=== SSH Key Management ===
 
A very lightweight solution to ssh key management can be found by using keychain. See the [https://wiki.archlinux.org/index.php/Using_SSH_Keys#Keychain using keychain] article for details.
 
 
 
=== NTFS with Chinese Characters ===
 
For a storage device with an NTFS filesystem, you will need to install the [[NTFS-3G]] package. Generally, PCManFM works well with NTFS filesystems, however there is one bug affecting NTFS users that if you have files or directories on an NTFS filesystem, the names of which contain non-latin characters (e.g. Chinese characters) may disappear when opening (or auto-mounting) the NTFS volume. This happens because the lxsession mount-helper is not correctly parsing the policies and locale options. There is a workaround for this:
 
 
 
Remove the {{ic|/sbin/mount.ntfs-3g}} which is a symbolic link.
 
# rm /sbin/mount.ntfs-3g
 
Create a new {{ic|/sbin/mount.ntfs-3g}} with a new bash script containing:
 
#!/bin/bash
 
/bin/ntfs-3g $1 $2 -o locale=en_US.UTF-8
 
And then make it executable:
 
# chmod +x /sbin/mount.ntfs-3g
 
Add or edit the following line to {{ic|/etc/pacman.conf}} under the [options] tag to prevent modification of this file in case of upgrading:
 
NoUpgrade = sbin/mount.ntfs-3g
 
 
 
=== KDM and LXDE Session ===
 
As of KDE 4.3.3, KDM will not recognize the LXDE desktop session. To fix it:
 
# cp /usr/share/xsessions/LXDE.desktop /usr/share/apps/kdm/sessions/
 
 
 
=== GTK+ Warnings with lxsession 0.4.1 ===
 
When starting GTK+2 programs you get the following message:
 
GTK+ icon them is not properly set
 
 
This usually means you do not have an XSETTINGS manager running. Desktop environment like GNOME or XFCE automatically execute their XSETTING managers like gnome-settings-daemon or xfce-mcs-manager. This is caused by the migration of lxde-settings-daemon config files into lxsession. If you made customizations to these config files, you are in need of merging those config files:
 
* /usr/share/lxde/config
 
* ~/.config/lxde/config
 
into
 
* etc/xdg/lxsession/LXDE/desktop.conf
 
* ~/.config/lxsession/LXDE/desktop.conf
 
Alternatively, you can use lxappearance from the community repository to fix this.
 
 
 
== Resources ==
 
* [http://wiki.lxde.org/en/ArchLinux LXDE wiki entry related to Arch Linux]
 
* [http://lxde.sourceforge.net LXDE Project (Sourceforge)]
 
* [http://forum.lxde.org LXDE Forum]
 
* [https://sourceforge.net/project/showfiles.php?group_id=180858 The Latest lx* Packages]
 
* [https://sourceforge.net/project/showfiles.php?group_id=156956 PCMan File Manager]
 

Latest revision as of 08:16, 4 March 2015

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