| Linux General Shortcut Key |
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| For General Linux: |
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| Ctrl+F# usually F1,F2,F3,F4 | Enter the command mode..Terminal mode. Ctrl+F7 Back to X-Win. |
| In Ubuntu Ctrl+alt+F# | F1 is booting system process F7 is X-Win |
| In KDE Ctrl+Shift+Alt+NumLock | Enable the mouse key. Using Numpad to control cursor. |
| sleep 1 && xset dpms force off | Turn off the Monitor. 1 indicates wait 1 second right after hitting enter. |
| KDE Tricks |
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| KDE: KIOSlave usage in Konqueror |
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| sftp:// | #access the remote ssh file system locally. |
| smb:// | #access remote windows machine thru samba server |
| telnet:// | #unknown |
| ldap:// | #unknown |
| info:/ | #unknown |
| ftp:// | #access the remote ftp server. |
| media:/ | #access the local hard drive system. |
| tar:/ | #access local gzip or bzip2 achieved file |
| font:/ | #access local font files. |
| man:/ | #access local manual files read it in html mode. |
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| /usr/local/share/fonts/ | #The place where all the system fonts is stored. #Link the font file from some persistent location and then do sudo mkfontscale |
| /usr/share/apps/konqueror/servicemenus/ /home/keda/.kde/share/apps/konqueror/servicemenus/ | #The place for all the shortcut command when right click on specific item in konqueror is stored. File in name.desktop format. Example: [Desktop Entry] Encoding=UTF-8 Actions=gvim; Icon= ServiceTypes=text/allfiles ExcludeServiceTypes=kdedevice/* [Desktop Action gvim] Exec=gvim %U Icon=gvim Name=Edit with Gvim |
| Ubuntu Gusty |
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| Enable the wacom pen | uncomment the /etc/X11/xorg.conf line 102-105 InputDevice "stylus" "SendCoreEvents" InputDevice "cursor" "SendCoreEvents" InputDevice "eraser" "SendCoreEvents" |
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| Software Package Name | Usage |
| bubakup | create a bootable backup. using 7z compression. |
| partimage | a ghost liked tool under linux. Disadvantage: Can't un-achieve specific file. |
| sysv-rc-conf | background service controller. Command version. |
| debfoster | .deb package maintainer. |
| ntfs-3g | essential package needed for R/W operation in NTFS partition |
| qtparted | QT fronted end for partition tool |
| gtkorphan | delete the unused library file. |
| wajig | Simplyfying Debian Administration. combine many apt work into single command |
| System Command | Usage |
| ctrl-z | suspend a running process. |
| ctrl-c | stop a running process. |
| fg | go back to a suspended command. |
| top | show the resource usage. RAM CPU etc. |
| fdisk -l | show the hard drive status. sudo is needed. |
| mount or umount (-a) | mount or unmount paritions with -a means all partition |
| sudo fc-cache -fv | refresh the font cache. |
| nohup | program started from terminal will keep running after terminals ends. |
| export VARIABLE = "name" | Set the environmental variable. |
| echo $VARIABLE | display the path for specific variable. |
| /etc/fstab | mounting partitions config file. |
| /etc/apt/sources.list | update server file |
| /boot/grub/menu.lst | GRUB config file. |
| /etc/fonts/ | Font's config file |
| apt-get autoremove | remove unused package |
| apt-get purge autoremove | purge settings also. |
| df -h | display disk usage information. |
| df | display what partition is mounted and where it mounted. |
| tar -cvzf /backup.tgz --exclude=/proc--exclude=/backup.tgz --exclude=/mnt --exclude=/sys ->your directory:/ |
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| sudo /etc/init.d/cupsys restart | * Restart an system background server. |
| Wacom Tablet Solution | * Tested on HP TC4400 |
| xsetwacom set stylus Button1 "button 1" | Set the cursor to be left click of the mouse. |
| xsetwacom set stylus Button3 "button 3" | Set the button on the pen to be right click of the mouse. |
| Create a shell file for above 2 command. | ~/.kde/Autostart/filename.sh | chmod +x filename.sh Example File: keda@keda-tc4400:~$ cat .kde/Autostart/pen.sh #! /bin/sh xsetwacom set stylus Button1 "button 1" xsetwacom set stylus Button3 "button 3" |
| Create K menu items and assign shortcut keys. |
|
| xrandr -o 3 | xsetwacom set stylus rotate cw | Rotate to the Right. |
| xrandr -o 1 | xsetwacom set stylus rotate ccw | Rotate to the Left |
| xrandr -o 0 | xsetwacom set stylus rotate none | Rotate to normal |
| xrandr -o 2 | xsetwacom set stylus rotate half | Rotate to Invert |
| Reference site: | http://linux.die.net/man/3/xrandr http://linuxwacom.sourceforge.net/index.php/howto/xsetwacom |
| Example System Files |
| <alias> <family>serif</family> <prefer> <family>Bitstream Vera Serif</family> <family>DejaVu Serif</family> <family>AR PL ShanHeiSun Uni</family> <family>WenQuanYi Bitmap Song</family> <family>AR PL ZenKai Uni</family> </prefer> </alias> |
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apt-cache search package 搜索包
apt-cache show package 获取包的相关信息，如说明、大小、版本等
sudo apt-get install package 安装包
sudo apt-get install package - - reinstall 重新安装包
sudo apt-get -f install 修复安装"-f = --fix-missing"
sudo apt-get remove package 删除包
sudo apt-get remove package - - purge apt-get remove --purge softname1 删除包，包括删除配置文件等
sudo apt-get update 更新源
sudo apt-get upgrade 更新已安装的包
sudo apt-get dist-upgrade 升级系统
sudo apt-get dselect-upgrade 使用 dselect 升级
apt-cache depends package 了解使用依赖
apt-cache rdepends package 是查看该包被哪些包依赖
sudo apt-get build-dep package 安装相关的编译环境
apt-get source package 下载该包的源代码
sudo apt-get clean && sudo apt-get autoclean 清理无用的包
sudo apt-get check 检查是否有损坏的依赖
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/etc/samba/smb.conf security = SHARE #most important so that windows client can access without user name and passwd. it's for the samba server sudo smbpasswd -a (user name) add a user so can use windows to access this. ------------------------------------------------------------------------------------------------------------------- Kubuntu 7.04 feisty 下konqueror的中文网站乱码问题可以通过设置qtconfig里面的Arial替换字体来解决。 --------------------------------------------------------- copy the font file to following diretory, or make the directory.
sudo chmod 644 /usr/share/fonts/zh_CN/TrueType/*
cd /usr/share/fonts/zh_CN/TrueType/
sudo mkfontscale
sudo mkfontdir
renew the font list
sudo fc-cache /usr/share/fonts/zh_CN/TrueType/
----------------------------------------------------
how to install jre and set the java_home
sudo ln -sf /usr/jre1.5.0_08/bin/java /usr/bin/java
sudo ln -sf /usr/jre1.5.0_08/bin/java_vm /usr/bin/java_vm
sudo ln -sf /usr/jre1.5.0_08/plugin/i386/ns7/libjavaplugin_oji.so /usr/lib/mozilla-firefox/plugins/
Set the environmental variable. for Java
#gedit /home/(username)/.bashrc
JAVA_HOME=/usr/jre1.5.0_08/
JAVA_BIN=/usr/jre1.5.0_08/bin
PATH=$PATH:$JAVA_HOME/bin
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export JAVA_HOME JAVA_BIN PATH CLASSPATH
Ubuntu下的JAVA中文乱码今天配置Compiere的时候，一些中文输入正常，一些中文输入则显示乱码，估计是SUN默认用的中文字库不够全，于是上网google
1.之，解决方案如下：在 jre/lib/fonts/ 下建立个目录 fallback
mkdir /usr/lib/jvm/java-1.5.0-sun/jre/lib/fonts/fallback/
2.在 fallback 里弄个中文字体
拷贝或链接都可以
ln -s /usr/share/fonts/truetype/arphic/uming.ttf /usr/lib/jvm/java-1.5.0-sun/jre/lib/fonts/fallback/
3.进入 jre/lib/fonts/fallback/ 执行 mkfontscale
再把 jre/lib/fonts/fallback/fonts.scale 的内容加到 jre/lib/fonts/fonts.dir
cd /usr/lib/j2sdk1.5-sun/jre/lib/fonts/fallback/
mkfontscale
cd ..
cat fallback/fonts.scale >> fonts.dir
--------------------------------------------
中文系统初步解决方案
Install Lastest Wenquanyi fonts
Change Locale: (More about locale can be in Google Notebook)modify file /etc/default/locale
LANG="en_US.UTF-8" LC_ALL="en_US.UTF-8" LC_CTYPE="zh_CN.UTF-8" Change the ugly fonts came with WQY-Bitmap by setting default Sans and Sans serif in KControl to BitStream Vera Sans 9 and BitStream Vera Mono 9.install fcitx:
sudo apt-get install fcitx im-switchcreate txt file fcitx in:
/etc/X11/xinit/xinput.d/
with content
##################
XIM=fcitx
XIM_PROGRAM=/usr/bin/fcitx
XIM_ARGS=""
GTK_IM_MODULE=XIM
QT_IM_MODULE=XIM
DEPENDS="fcitx"
sudo im-switch -s fcitx -z default
im-switch -s fcitx -z default #注意：不加sudoRemember to set the Chinese font in configuration file under ~/.fcitx/
Problem:
conflicts with Firefox and other non-QT based software under KDE:Solution:
Under Kubuntu 7.10:
sudo kwrite /usr/lib/gtk-2.0/2.10.0/immodule-files.d/libgtk2.0-0.immodulesothers possible file location: /etc/gtk-2.0/gtk.immodules
Change last line to:
"/usr/lib/gtk-2.0/2.10.0/immodules/im-xim.so"
"xim" "X Input Method" "gtk20" "/usr/share/locale" "en:ko:ja:th:zh"
Little fcitx trick: |
Printing in Unix/Linux |
| lpr -P $printer_name $file_name #EGR printer only support .ps file. EGR printer examples: [eb1515] [eb1307-duplex] |
| Multiple page per page solution: psnup -int(#number of page per sheet) $file_name #Note the output send to stdout use "|" to send output to printer. i.e psnup -int $file_name.ps | lpr -P $printer_name |
| Install package sshfs To mount a remote ssh to local file: sshfs example.com:/stuff /media/home-pc To umount: fusermount -u /media/home-pc |
