raspbian 的 kernel img

位於 /boot
一般 內定啟動是 kernel.img
而緊急kernel 是  kernel_emergency.img(kernel7.img)


若因特殊狀況, 要使用 緊急kernel
那就到 config.txt (在 /boot)
增加一行:  kernel=kerel_emergency.img(kernel7.img)

raspbian 安裝 moc音樂播放

sudo apt-get install moc

mocp
執行於後台, 跟其他工作無關

-s: 停止播放
-G:暫停播放或繼續撥放
-f:播放下一首歌
-r:播放上一首歌
-i:顯示現在歌曲訊息
-x: 停止播放跳出

man mocp


------------------------------------------------------------
Music On Console (version 2.5.0, revision 2668)
Usage:
 mocp [OPTIONS]... [FILE]...
-V --version           Print program version and exit
-h --help              Print usage and exit
-D --debug             Turn on logging to a file
-S --server            Only run the server
-F --foreground        Run server in foreground and log to stdout
-R --sound-driver LIST Use the first valid sound driver from LIST
                       (sndio, oss, alsa, jack, null)
-m --music-dir         Start in MusicDir
-a --append            Append the files/directories/playlists passed in
                       the command line to playlist and exit
-q --enqueue           Add the files given on command line to the queue
-c --clear             Clear the playlist and exit
-p --play              Start playing from the first item on the playlist
-l --playit            Play files given on the command line without modifying
                       the playlist
-s --stop              Stop playing
-f --next              Play the next song
-r --previous          Play the previous song
-x --exit              Shutdown the server
-T --theme theme       Use the selected theme file (read from ~/.moc/themes
                       if the path is not absolute)
-C --config FILE       Use the specified config file instead of the default
-O --set-option NAME=VALUE
                       Override the configuration option NAME with VALUE
-M --moc-dir DIR       Use the specified MOC directory instead of the default
-P --pause             Pause
-U --unpause           Unpause
-G --toggle-pause      Toggle between playing and paused
-v --volume (+/-)LEVEL Adjust the PCM volume
-y --sync              Synchronize the playlist with other clients
-n --nosync            Don't synchronize the playlist with other clients
-A --ascii             Use ASCII characters to draw lines
-i --info              Print information about the currently playing file
-Q --format FORMAT     Print formatted information about the currently
                       playing file
-e --recursively       Alias for -a
-k --seek N            Seek by N seconds (can be negative)
-j --jump N{%,s}       Jump to some position of the current track
-o --on <controls>     Turn on a control (shuffle, autonext, repeat)
-u --off <controls>    Turn off a control (shuffle, autonext, repeat)
-t --toggle <controls> Toggle a control (shuffle, autonext, repeat)
-----------------------------------------------------------------------

raspbian 安裝 scrot

sudo apt-get install scrot



延遲10秒
scrot -d 10

存放內定 /home/pi/


-h    Display additional help
-v    Get the current version
-d X  Add a delay of X seconds to the capture
-c    Add a countdown to a delayed capture
-s    Allow user to specific capture area with the mouse
-u    Capture the current active window
-q X  Specify the image quality percentage X (default 75)
-t X  Create a thumbnail version at a specified percentage size X
-e    Specify a command to run after the image is capture


$f  image path/filename (ignored when used in the filename)
$m  thumbnail path/filename
$n  image name (ignored when used in the filename)
$s  image size (bytes) (ignored when used in the filename)
$p  image pixel size
$w  image width
$h  image height
$t  image format
$$  prints a literal '$'
\n  prints a newline (ignored when used in the filename)

raspbian 設定DNS

sudo vim  /etc/resolv.conf

輸入:
nameserver 168.95.1.1
nameserver 8.8.8.8

ps:

     Vim時常使用指令

raspbian 安裝中文輸入法

首先安裝字型
安裝文鼎中文字型全部
sudo apt-get install fonts-arphic*
標準楷書
sudo apt-get install fonts-moe-standard-kai

安裝輸入法
sudo apt-get install scim scim-tables-zh scim-chewing scim-gtk-immodule im-switch


重開機後，以Ctrl-Space即可切換輸入法