When setting up for first time, make sure you expand the filesystem. It will cause errors otherwise.
sudo raspi-config
Linux commands
password: pi
username: raspberry
show gui: startx
Find current directory
pwd
Go back a directory
cd ..
List contents of directory
ls -l
Create Directory
sudo mkdir /home/myscreen
GET AND UNZIP INTO MYSCREEN FOLDER
wget -qO- https://www.waveshare.com/w/upload/0/00/LCD-show-170703.tar.gz | tar xvz -C /myscreen
Delete directory (Careful!)
sudo rm -rf myfolder
Show attached devices
lsusb
edit config file
sudo raspi-config
show temp of chip
vcgencmd measure_temp
show cpuinfo
cat /proc/cpuinfo
touch mynotes.txt
creates an empty text file
show sixes of partitions
cat /proc/partitions
show version number
cat /proc/version
open file
sudo nano (ctrl o to save, ctrl x to exit)
get root
sudo bash
shutdown
sudo halt
reboot
sudo reboot
show ipaddress
ifconfig
install firefox/chromium
sudo apt-get install iceweasel
sudo apt-get install chromium-browser –yes
uninstall a program
apt-get purge
Show what packages you have installed
dpkg -l
Show last packages installed
grep install /var/log/dpkg.log
delete file
rm index.html
see all running processes(q=quit)
top
mv /home/jack/testfile /home/jack/testfile2
Set permissions for all files in a folder
When you are in the folder you want to talk about: –
sudo chmod 777 *
Sound
Play a wav file: aplay siren.wav
Record a sound: arecord -D plughw:1 –duration=5 -f cd -vv ~/rectest.wav
Play an mp3 or wav: omxplayer –vol 3000 rectest.wav
apt-get install phpmyadmin
To stop/start/restart Apache 2 web server : sudo /etc/init.d/apache2 stop
anything in the /etc/bash.bashrc is run when a shell starts up
To close a program
top
> find the pid number of program eg chromium then use :
kill
Show history of installs
less /var/log/apt/history.log
Add PHP MYSQL & APACHE in one line
This is the best, short tutorial on setting this up easily.
Install PHPmyadmin
Easy tutorial to install phpmyadmin
Install FTP
The most simplistic way to install FTP
Second Simplist way to install ftp
Backup your SD card with OS
How to Clone Your Raspberry Pi SD Card for Super Easy Reinstallations
Testing the Sound
Play an mp3 using the headphone jack and headphones
Remote desktop into Raspberry pi
Record Sound using Raspberry Pi
Install Apache
Getting your Pi to Speak
More options: –
–voices Show all the voices
-vXX Use voice XX, e.g. “-vaf” is “use the af voice”.
-vXX+YY Use variant YY, e.g. “-vaf+f2” is “use the af voice with the female variant 2”. The variants are:
None (male voice)
+m1, +m2, +m3, +m4, +m5 (male variants)
+f (female voice)
+f1, +f2, +f3, +f4, +f5 (female variants)
+whisper (male whisper)
+croak
Send emails from the Raspberry Pi
Just use this
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1 2 3 |
os.system('sudo echo -e "Subject: Test Mail\r\n\r\nThis is a test mail" | msmtp --debug --from=default -t [email protected]') |
once this is installed….
You can remotely connect to database by just using the ip address in a php script, instead of localhost
