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====== Raspberry Pi: Prepare Raspbian ======
//**Note**: This assumes the previous [[raspi:raspi_prepare_card|how-to on preparing the SD card]] has been covered and Raspbian is already 'installed' on the SD card.//
===== Booting Raspbian =====
* Simply insert the SD card and power up
* It will take some time, but a Linux Desktop will appear on screen.
* Initial Configuration:
* locale set to US
* timezone changed to Asia/Kuala_Lumpur
* keyboard layout set to US (English)
* Run update ''sudo apt update'' and upgrade '' sudo apt upgrade'' if necessary
* if error occurs, most probably problem with the mirror (change to another mirror)
===== Getting the tools =====
* Get kernel headers (compiling loadable kernel module)
* ''//sudo apt install// raspberrypi-kernel-headers''
* To be able to compile codes that require sqlite
* ''//sudo apt install// sqlite3 libsqlite3-dev''
* To have web server with php
* ''//sudo apt install// apache2 php libapache2-mod-php''
* enable mod_rewrite
* default path for web is ''/var/www/html''
* I also want ''screen'' and ''ntfs-3g'' (ntfs with r/w)
* ''//sudo apt install// screen ntfs-3g''
===== Prepare for GUI Development =====
This is about doing GUI development while running Raspbian on Pi itself.
* install glade (will also get gtk library)
* ''//sudo apt install glade//''
===== Using Camera & Image Processing =====
* to access camera, load the Video4Linux kernel module
* ''//sudo modprobe bcm2835-v4l2//''
* not needed if you enabled camera using Configuration Page
* install ffmpeg stuffs
* ''//sudo apt install libavcodec-dev libavdevice-dev//''
* if going for GTK
* ''//sudo apt install libgtk2.0-dev//''
* if going for SDL
* ''//sudo apt install libsdl1.2-dev//''
===== Get some codes =====
* Get my source codes (e.g. download everything @/home/pi/Work)<code>
mkdir -pv /home/pi/Work && cd /home/pi/Work
git clone git://github.com/azman/my1codelib.git
git clone git://github.com/azman/my1webapp.git
git clone git://github.com/azman/my1apisrv.git
git clone git://github.com/azman/my1linuxpi.git
git clone git://github.com/azman/my1termu.git
git clone git://github.com/my1matrix/my1goose.git</code>
* Obviously, we need ''git'' for this
* ''//sudo apt install// git''
===== Upgrading Installed Packages =====
To upgrade locally installed sofware:
* Update apt database <code>$ sudo apt update</code>
* Upgrade local packages <code>$ sudo apt upgrade</code>
If packages got held/kept back, simply reinstall those packages:
* Reinstall <code>$ sudo apt install --reinstall</code>
===== Upgrading Raspbian Version =====
To do an upgrade (e.g. I did this to upgrade stretch to buster):
* Modify ''/etc/apt/sources.list'' and replace the release codenames (e.g. change stretch to buster)
* do the same for ''/etc/apt/sources.list.d/*.list''
* Update package list <code>$ sudo apt update</code>
* Upgrade distribution <code>$ sudo apt dist-upgrade</code>
* Do house cleaning <code>
$ sudo apt autoremove
$ sudo apt clean</code>
That should do it!
===== Making Pi Visible on Local Network =====
//**Note:** This is already in the default install.//
To make Pi hostname visible on local network, get avahi-daemon (default install)
* ''//sudo apt install// avahi-daemon''
* this is part of Bonjour/Rendezvous/ZeroConf multicast DNS (aka mDNS) services
* change hostname as desired
* use raspi-configuration tool
* clients need to support mDNS as well:
* windows need [[https://support.apple.com/kb/dl999?locale=en_US|this]]
* linux require avahi (for slackers, slackbuilds.org got this)