How to Setup a Raspberry Pi Web Server Excerpts

48

 

sudo nano /etc/apt/sources.list

 

deb http://repozytorium.mati75.eu/raspbian jessie-backports main contrib non-free

 

deb-src http://repozytorium.mati75.eu/raspbian jessie-backports main contrib non-free

 

49

 

sudo gpg --keyserver pgpkeys.mit.edu --recv-key CCD91D6111A06851

 

sudo apt-get update

 

sudo apt-get install apache2 php7.0 php7.0-curl php7.0-gd php7.0-imap php7.0-json php7.0-mcrypt php7.0-mysql php7.0-opcache php7.0-xmlrpc libapache2-mod-php7.0

 

sudo apt-get install mysql-server php7.0-mysql -y

 

69

https://dynamicdns.park-your-domain.com/update?host=@&domain=ikiribatidictionary.us&password=abcd1234defg5678

 

70

https://dynamicdns.park-your-domain.com/update?host=www&domain=ikiribatidictionary.us&password=abcd1234defg5678

 

71

30 6 1-31 1-12 1-7 wget -q "https://dynamicdns.park-your-domain.com/update?host=@&domain=ikiribatidictionary.us &password=abcd1234defg5678

 

72

30 6 1-31 1-12 1-7 wget -q "https://dynamicdns.park-your-domain.com/update?host=@&domain=ikiribatidictionary.us&password=abcd1234defg5678

 

89

 

create database counter;

use counter;

create table hits (pagetitle varchar(30),hitcount int);

insert into

insert into hits (pagetitle,hitcount) values (‘Other Places to Travel’,1);

 

90

 

create user counterguest@localhost;

set password for

counterguest@localhost=password('hitman');

grant select, update on counter.hits to counterguest@localhost;

 

89

create database counter;

use counter;

create table hits (pagetitle varchar(30),hitcount int);

insert into hits (pagetitle,hitcount) values (‘I-Kiribati Dictionary’,1);

insert into hits (pagetitle,hitcount) values (‘Other Places to Travel’,1);

 

90

 

create user counterguest@localhost;

set password for counterguest@localhost=password('hitman');

grant select, update on counter.hits to counterguest@localhost;

91-92

create database dictionary;

use dictionary;

create table word (wordnum int primary key auto_increment, english varchar (100), part_of_speech varchar(20), ikiribati varchar(100),comments text);

insert into word (english,part_of_speech,ikiribati,comments) values ('abandon','vt','kitana',' ');

insert into word (english,part_of_speech,ikiribati,comments) values ('airplane','n','wanikiba',' ');

insert into word (english,part_of_speech,ikiribati,comments) values ('happy','a','kukurei',' ');

insert into word (english,part_of_speech,ikiribati,comments) values ('hello','exclamation','Ko na mauri',' ');

insert into word (english,part_of_speech,ikiribati,comments) values ('goodbye','exclamation','tiabo',' ');

insert into word (english,part_of_speech,ikiribati,comments) values ('yes','exclamation','eng',' ');

insert into word (english,part_of_speech,ikiribati,comments) values ('beautiful','a','tikaraoi',' ');

insert into word (english,part_of_speech,ikiribati,comments) values ('beautifully','adv','n te aro ae tikaraoi',' ');

insert into word (english,part_of_speech,ikiribati,comments) values ('friend','n','rao',' ');

insert into word (english,part_of_speech,ikiribati,comments) values ('school','n','reirei',' ');

create user dictionaryguest@localhost;

set password for dictionaryguest@localhost=password('bookworm');

grant select on dictionary.word to dictionaryguest@localhost;

 

94-95

 

<?php

//Save this file as /var/www/html/kiribati/counter.php

echo "<body bgcolor=white text=darkblue>";

$server = "localhost";

$dbusername = "counterguest";

$dbpassword = "hitman";

$database="counter";

$con=mysqli_connect($server,$dbusername,$dbpassword,$database);

if (mysqli_connect_errno()){

  echo "Access Denied.";

  quit();

}

$sql="select hitcount from hits where pagetitle='I-Kiribati Dictionary'";

$result = mysqli_query($con,$sql);

if ($rs = mysqli_fetch_array($result)){

$hitcount=$rs['hitcount']+1;

echo "<div style=position:absolute;top:0;left:0;font-size:18>".$hitcount."</div>";

$sql="update hits set hitcount=".$hitcount." where pagetitle='I-Kiribati Dictionary'";

mysqli_query($con,$sql);

}

$con.close();

?>

 

 

97 -98

 

<!DOCTYPE HTML>

<head>

  <title>I-Kiribati Dictionary</title>

  <meta charset="UTF-8">

  <meta name="description" content="I-Kiribati Dictionary">

  <meta name="keywords" content="I-Kiribati,Kiribati,Gilbertese,Kiribati Dictionary">

  <meta name="author" content="Michael Wright">

  <meta name="viewport" content="width=device-width, initial-scale=1.0">

</head>

<body>

<center>

# of Visitors =

<iframe src="counter.php" style=width:50px;height:20px;border-width:0>

  <p>Your browser does not support iframes.</p>

</iframe>

<h1>I-Kiribati Dictionary</h1>

<img src=ikiribatiflag.jpg><p>

<form action=translate.php target=frame2 method=post>

Type the English or I-Kiribati word or phrase:<p>

<input type=text name=word size=20><p>

<input type=submit name="toenglish" value="Translate to English"> 

<input type=submit name="toikiribati" value="Translate to I-Kiribati">

</form>

<p>

<iframe name=frame2 cols=40 rows=10 style=border-style:solid;border-color:black;border-width:1>

</center>

</body>

 

99-100

 

<?php

//Save this file as /var/www/html/kiribati/translate.php

$word=$_POST['word'];

if(notsecure($word)){

  echo "Your username has one or more illegal characters.<br>";

  $e=$e+1;

  exit();

}

//check which submit button was pressed

if (isset($_POST['toenglish'])) {

   $mode="Translate to English";

   $sql="select * from word where ikiribati='".$word."'";

  

}

if (isset($_POST['toikiribati'])) {

   $mode="Translate to I-Kiribati";

   $sql="select * from word where english='".$word."'";

}

$server = "localhost";

$dbusername = "dictionaryguest";

$dbpassword = "skippy";

$database="dictionary";

//connect to the database and immediately check for a connection error

$con=mysqli_connect($server,$dbusername,$dbpassword,$database);

if (mysqli_connect_errno()){

  echo "Access Denied<br>";

  quit();

}

//execute the query

$result = mysqli_query($con,$sql);

if (mysqli_num_rows($result)==0){

  echo "There are no matching words.";

  exit();

}

while ($rs = mysqli_fetch_array($result)) {

  $english=$rs['english'];

  $part_of_speech=$rs['part_of_speech'];

  $ikiribati=$rs['ikiribati'];

  if ($mode=="Translate to I-Kiribati"){

     echo $ikiribati." (".$part_of_speech.")<br>";

  }

  if ($mode=="Translate to English"){

     echo $english." (".$part_of_speech.")<br>";

  }

}

//----------------------------------------------

function notsecure($mystring){

//----------------------------------------------

   if (strpos($mystring,"")){

         return 1;

   }

   if (strpos($mystring,"'") || strpos($mystring,'"') | strpos($mystring,"=")){

      return 1;

   }

   $str = strtoupper($mystring);

   if (strpos($str,"OR") && strpos($str,"=")){

       return 1;

   }

}

 

122

gpio –g mode 4 out

gpio –g 4 1

gpio –g 4 0

gpio –g 4 blink

 

123

<?PHP

//save this as /var/www/html/simplerelay.php

$gpionum=$_GET['gpionum'];

$status=$_GET['status'];

$n="gpio -g mode ".$gpionum." out";

echo $n."<br>";

shell_exec($n);

$n="gpio -g write ".$gpionum." ".$status;

shell_exec($n);

echo $n."<br>";

?>

 

http://192.168.1.12/simplerelay.php?gpionum=17&status=0

 

http://192.168.1.12/simplerelay.php?gpionum=17&status=1

 

125-126

 

<?php

//togglerelay.php

session_start();

//conduct a security and password check

if ($_SERVER['REQUEST_METHOD'] == 'POST') {

if (!preg_match('/^[a-z0-9 .\-]+$/i', $_POST['password']) && $_POST['password']!=""){

echo " Password contains illegal characters.<p>";

echo "Click <a href=index.php>here</a> to start again.";

exit();

}

if ($_POST['password']=="pinhead"){

$_SESSION['password']=$_POST['password'];

}

}

if ($_SESSION['password']!="pinhead"){

echo "You must type the password.<br>";

echo "<form action=index.php method=post>";

echo "<input type=password name=password>";

echo "<input type=submit value=Login>";

exit();

}

 

129

 

create database relays;

use relays;

create table pins (recordnum int primary key auto_increment,description varchar(30),pinnum int unique not null, status int default 1);

insert into pins (description,pinnum) values ("Front Porch",4);

insert into pins (description,pinnum) values ("Living Room",17);

create user relayguest@localhost;

set password for relayguest@localhost=password('pinhead');

grant insert, select, update, delete on relays.pins to relayguest@localhost;

 

130-132

 

<?php

//Relay Switching using a Password-Protected PHP Page and MySQL

//Save this file as /var/www/html/mysqlrelays/index.php

session_start();

//check for illegal characters in password field

$v=$_POST['password'];

if (!preg_match('/^[a-z0-9 .\-]+$/i', $v)&&$v!=""){

echo " Password contains illegal characters.<p>";

echo "Click <a href=index.php>here</a> to start again.";

exit();

}

//if a password was just posted then assign it to the session variable

if ($_POST['password']==""){

echo "You must type a password.<br>";

echo "<form action=index.php method=post>";

echo "<input type=password name=password>";

echo "<input type=submit value=Continue>";

exit();

}

//remember the password if correct

$_SESSION['password']=$_POST['password'];

//if the logout link was clicked then logout

if ($_GET['mode']=='logout'){

$_SESSION['password']="";

}

//open the database

$server = "localhost";

$dbusername = "relayguest";

$dbpassword = $_SESSION['password']; 131

 

$database="relays";

$con=mysqli_connect($server,$dbusername,$dbpassword,$database);

if (mysqli_connect_errno()){

echo "Access Denied.<br>";

exit();

}

echo "<html><body>";

echo "<h1>Relay Controller with MySQL</h1>";

echo "<form action=save.php method=post target=frame1>";

echo "<table>";

echo "<tr><td>Description</td><td>GPIO<br>Pin#</td><td>On/Off</td></tr>";

$sql="select * from pins";

$result = mysqli_query($con,$sql);

$r=0;

while ($rs = mysqli_fetch_array($result)) {

$recordnum=$rs['recordnum'];

$desc=$rs['description'];

$pinnum=$rs['pinnum'];

$status=$rs['status'];

//prepare to tell the checkbox to be checked or not

if ($status==0){$st="checked";}else{$st="";}

echo "<tr>";

//plot the fields on the screen in the table

echo "<td>";

echo "<input type=hidden name=recordnum".$r." value=".$recordnum.">";

echo "<input type=text name=description".$r." value='".$desc."' size=10>";

echo "</td>";

echo "<td><input type=text name=pinnum".$r." value=".$pinnum." size=2></td>";

echo "<td><input type=checkbox ".$st." name=status".$r."></td>";

echo "</tr>";

$r=$r+1;

}

mysqli_close($con);

//add a blank column to add a relay

echo "<tr>";

echo "<td><input type=text name=newdescription value='' size=10></td>";

echo "<td><input type=text name=newpinnum size=2></td>"; 132

 

echo "</tr>";

echo "<tr><td colspan=2>&nbsp</td></tr>";

echo "<tr><td colspan=3 align=right><input type=submit value=SAVE></td></tr>";

echo "</table>";

echo "</form>";

//create iframe box to show output from the form submission

echo "<iframe name=frame1 id=frame1 style=width:300;height:100></iframe><p>";

echo "<b>Instructions:</b><br>";

echo "<ul>";

echo "<li>Click on the check box to turn on/off the relay.";

echo "<li>Change the description or the GPIO pin number if needed.";

echo "<li>Enter info in the bottom row to add a new relay.";

echo "<li>To delete an item type delete as the description.";

echo "<li>Click the SAVE button to execute all commands.";

echo "<li>Progress of the save or delete will be displayed in the iframe window.";

echo "<li>Click <a href=index.php?mode=logout>here</a> to log out.";

echo "</ul>";

echo "</body></html>";

?>

 

133-135

<?php

//Relay Switching using a Password-Protected PHP Page and MySQL

//Save this file as /var/www/html/mysqlrelays/save.php

//check for illegal characters in all posted fields

if ($_SERVER['REQUEST_METHOD'] == 'POST') {

foreach($_POST as $key => $value) {

//echo $key." = ".$value."<br>";

if (!preg_match('/^[a-z0-9 .\-]+$/i', $value) && $value!=""){

echo $key." contains illegal characters.<p>";

exit();

}

}

}

session_start();

//open the database

$server = "localhost";

$dbusername = "relayguest";

$dbpassword = $_SESSION['password'];

$database="relays";

$con=mysqli_connect($server,$dbusername,$dbpassword,$database);

if (mysqli_connect_errno()){

echo "Access Denied.<p>";

exit();

}

//updatate the fields with any changes

$r=0;

while(1){

$n="recordnum".$r;

$recordnum=$_POST[$n];

$d="description".$r;

$desc=$_POST[$d];

$p="pinnum".$r;

$pinnum=$_POST[$p];

$s="status".$r;

$status=$_POST[$s];

if ($status=="on"){$status=0;}else{$status=1;}

 

 

137

 

sudo chown pi /var/www/html

sudo mkdir /var/www/html/relays

cd /var/www/html/relays

echo Lamp,4,1 > pins.txt

 

138

 

.htaccess

<Files pins.txt>

deny from all

allow from 127.0.0.1

</Files>

 

139-140

 

#!/usr/bin/env python

#Save file as /var/www/html/relays/relay.py

import time

import RPi.GPIO as mygpio

mygpio.setmode(mygpio.BCM)

mygpio.setwarnings(False)

while True:

file=open("/var/www/html/relays/pins.txt","r")

while True:

r=file.readline();

if r=="":

break

n=r.split(",")

description=n[0]

pinnum=n[1]

status=n[2]

mygpio.setup(int(pinnum),mygpio.OUT)

mygpio.output(int(pinnum),int(status))

time.sleep(.1)

file.close()

 

144-146

 

<?php

//This is the /var/www/html/relays/index.php file.

//How to Setup a Raspberry Pi Web Server

//www.y2kLeader.com

session_start();

//check for security threats & unwanted characters in password field

$v=$_POST['password'];

if (!preg_match('/^[a-z0-9 .\-]+$/i', $v)&&$v!=""){

echo " Password contains illegal characters.<p>";

echo "Click <a href=index.php>here</a> to start again.";

exit();

}

//if a password was just posted then assign it to the session variable

$_SESSION['password']=$_POST['password'];

//if the logout link was clicked then logout

if ($_GET['mode']=='logout'){

$_SESSION['password']="";

}

//check the password

if ($_SESSION['password']!="pinhead"){

echo "<form action=index.php method=post>";

echo "Enter password <input type=password name=password>";

echo " <input type=submit value='Log in'>";

echo "</form>";

exit();

}

//open the pins.txt file

$myfile = fopen("pins2.txt", "r");

if (!$myfile){

echo "There was a problem opening the file.<b>";

exit();

}

echo "<html><body>";

echo "<h1>Raspberry Pi<br>Relay Controller</h1>";

echo "<form action=save.php method=post target=frame1>";

echo "<table>"; echo "<tr><td>Description</td><td>GPIO<br>Pin#</td><td>On/Off</td></tr>";

$r=0;

while(!feof($myfile)) {

$r++;

//read a record from the file

$line=fgets($myfile);

//extract the fields separated by commas

$n=explode(",",$line);

$desc=$n[0];

//if there is no record then exit the loop

if ($desc==""){$r=$r-1;break;}

$pinnum=$n[1];

$status=$n[2];

//prepare to tell the checkbox to be checked or not

if ($status==0){$st="checked";}else{$st="";}

echo "<tr>";

//plot the fields on the screen in the table

echo "<td><input type=text name=description".$r." value='".$desc."' size=10></td>";

echo "<td><input type=text name=pinnum".$r." value=".$pinnum." size=2></td>";

echo "<td><input type=checkbox ".$st." name=status".$r."></td>";

echo "</tr>";

}

fclose($myfile);

//add a blank column to add a relay

echo "<tr>";

echo "<td><input type=text name=newdescription value='' size=10></td>";

echo "<td><input type=text name=newpinnum size=2></td>";

echo "<td><input type=checkbox name=newstatus></td>";

echo "</tr>";

echo "<tr><td colspan=2>&nbsp</td></tr>";

echo "<tr><td colspan=3 align=right><input type=submit value=SAVE></td></tr>";

echo "</table>";

//save a hidden field with the total number of records

echo "<input type=hidden name=total value=".$r.">";

echo "</form>";

//create iframe box to show output from the form submission echo "<iframe name=frame1 id=frame1 style=width:200;height:100></iframe><p>";

echo "<b>Instructions:</b><br>";

echo "<ul>";

echo "<li>Click on the check box to turn on/off the relay.";

echo "<li>Change the description or the GPIO pin number if needed.";

echo "<li>Enter info in the bottom row to add a new relay.";

echo "<li>To delete an item, erase the description.";

echo "<li>Click the SAVE button to execute all commands."; echo "<li>Progress of the save or delete will be displayed in the iframe window.";

echo "<li>Click <a href=index.php?mode=logout>here</a> to log out.";

echo "</ul>";

 

 

148-149

/var/www/html/relays/save.php

<?php

//Save this file as /var/www/html/relays/save.php

//any output shows up in the index.php's iframe

//How to Setup a Raspberry Pi Web Server

//www.y2kLeader.com

session_start();

//check to see if logged in

if ($_SESSION['password']!="pinhead"){ echo "<body onload='javascript:window.parent.location.reload()'>";

exit();

}

//check for security threats & unwanted chars in fields

foreach($_POST as $key => $value){

$v=$_POST[$key];

if (!preg_match('/^[a-z0-9 .\-]+$/i', $v)&&$v!=""){

$x=$x.$key." Contains illegal characters.<p>";

}

}

if ($x!=""){echo $x;exit();}

//check to see if a GPIO pin was entered

if ($_POST['newdescription']!=""){

if ($_POST['newpinnum']==""){

echo "You must include a pin number.<p>";

exit();

}

//create a line with the new info for appending later

$new=$_POST['newdescription'].",".$_POST['newpinnum'].",1\n";

}

echo "updating..<br>";

//open the text file $myfile = fopen("pins2.txt", "w") or die("Unable to open file!");

//cycle through input fields & update database with the info

for ($i=1;$i<$_POST['total']+1;$i++){

$d="description".$i;

$p="pinnum".$i;

$s="status".$i;

//check if the check box is checked

if ($_POST[$s]=="on"){$status=0;}else{$status=1;}

//if the desc field is filled out save the curr record

if ($_POST[$d]!=""){

$t=$_POST[$d].",".$_POST[$p].",".$status."\n";

fwrite($myfile,$t);

echo $t."<br>";

}

else{

//if the desc field is blank don't save record

$t="";

$deletion=1;

}

}

//add the new record (if any) then refresh the parent page

if ($new!=""){

fwrite($myfile,$new);

echo $new."<br>"; echo "<body onload='javascript:window.parent.location.reload()'>";

}

fclose($myfile);

//if in delete mode, refresh the parent page.

if ($deletion==1){ echo "<body onload='javascript:window.parent.location.reload()'>";

}

?>

 

154

 

15 21 * * * gpio –g mode 4 out;gpio –g write 4 0

30 07 * * * gpio –g mode 4 out;gpio –g write 4 1

 

0 0 * * 1,3,5 gpio –g mode 4 out;gpio –g write 4 0

10 0 * * 1,3,5 gpio –g mode 4 out;gpio –g write 4 1

 

155

 

0,15,30,45 1,3,5 * * 1-5 gpio –g mode 4 out;gpio –g write 4 0

1,16,31,46 1,3,5 * * 1-5 gpio –g mode 4 out;gpio –g write 4 1

 

 

20 0-11 gpio –g mode 7 out;gpio –g write 7 0

25 0-11 gpio –g mode 7 out;gpio –g write 7 1

 

 

*/5 22-06 gpio -g mode 4 out;gpio –g 4 blink

*/6 22-06 gpio -g mode 4 out;gpio –g 4 1

*/6 22-06 gpio -g mode 5 out;gpio –g 5 blink

*/7 22-06 gpio -g mode 5 out;gpio –g 5 1

*/7 22-06 gpio -g mode 6 out;gpio –g 6 blink

*/8 22-06 gpio -g mode 6 out;gpio –g 6 1

*/8 22-06 gpio -g mode 7 out;gpio –g 7 blink

*/9 22-06 gpio -g mode 7 out;gpio –g 7 1

 

 

159

 

vlc -vvv v4l2:///dev/video0:chroma=h264:width=320:height=200 --sout '#standard{access=http,mux=ts,dst=:5000/,name=stream,mime=video/ts}'

 

160

 

vlc -vvv v4l2:///dev/video0:chroma=h264:width=320:height=200 --sout-http-user=mike --sout-http-pwd=abcd --sout '#standard{access=http,mux=ts,dst=:5000/,name=stream,mime=video/ts}'

175

 

//arduino_serialout.ino

//Outputs numbers through the serial port

//run readserial.py script on the Raspberry Pi to input numbers

int a=0;

void setup() {

Serial.begin(9600);

}

void loop() {

a++;

Serial.println(a);

delay(500);

}

177

 

#!/usr/bin/python

import time

import serial

ser = serial.Serial()

ser.port = "/dev/ttyUSB0"

ser.baudrate = 9600

ser.open()

while True:

x=ser.readline()

print x

 

179

 

#!/usr/bin/python

import time

import serial

ser = serial.Serial()

ser.port = "/dev/ttyUSB0"

ser.baudrate = 9600

ser.open()

while True:

ser.write("Hello from Raspberry Pi\n")

time.sleep(2)

 

181

 

//I2C Address Scanner

//SDA to A4 Pin

//SCL to A5 Pin

//GND - GND Pin

//VCC - 5V Pin

#include <Wire.h>

byte add;

void setup(){

Wire.begin();

Serial.begin(9600);

for(add = 1; add < 127; add++ ){

Wire.beginTransmission(add);

if(Wire.endTransmission()==0){

Serial.print("I2C address is 0x");

if (add<16){Serial.print("0");}

Serial.println(add,HEX);

}

}

}

void loop(){}

 

182-183

/*

arduino_serialin.ino

Receives messages from the USB port attached to the Raspberry Pi

and prints the message in the LCD Display.

For use with a 20 character 4 line I2C Display

Links to the librarary downloads at www.y2kleader.com

Connections:

//SDA to A4 Pin

//SCL to A5 Pin

//GND - GND Pin

//VCC - 5V Pin

*/

#include <Wire.h> // Comes with Arduino IDE

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3F, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Set the LCD I2C address

int x=-1;

int y=0;

char n;

void setup(){

Serial.begin(9600); // Used to type in characters

lcd.begin(20,4); // initialize the lcd for 20 chars 4 lines, turn on backlight

lcd.backlight();

lcd.setCursor(x,y);

}

void loop(){

if (Serial.available()) {

delay(100);

while (Serial.available() > 0) {

n=Serial.read();

x++;

if (x==20){

x=0;

183

y++;

}

if (y==4){

lcd.clear();

y=0;

}

lcd.setCursor(x,y);

lcd.write(n);

}//end while

}//end if(Serial.avaiable)

}//end loop

 

189-190

/*soil_humidity_meter

Probe board VCC to Arduino 5V Out pin

Probe board GND to Arduino GND pin

Probe Data to Arduino A0 pin.

*/

int sensorValue = 0;

int percentValue=0;

int dry=1023;

int wet=0;

int count=0;

void setup() {

Serial.begin(9600);

pinMode(2,OUTPUT);

digitalWrite(2,HIGH);

}

void loop() {

count++;

sensorValue = analogRead(0);

percentValue=map(sensorValue,dry,wet,0,100);

if (count>3 && count<30){

Serial.println(percentValue);

}

else{

if (count>29){

digitalWrite(2,LOW);

190

}

}

delay(1000);

}

 

191

 

<?php

//readsoil.php

//will open port and wait 3 seconds for Arduino to reboot

$f=fopen('/dev/ttyUSB0',"r");

sleep(3);

$data=fgets($f);

echo "<h1>Soil Humidity</h1>";

echo "<h2>".$data."%</h2>";

fclose($f);

?>

Press the button and wait 3 seconds.<P>

<button type="button" onClick="window.location.reload();">

Read Again

</button>

 

195

 

sudo crontab -e

@reboot fswebcam -q -b -d /dev/video0 -l 1 --jpeg 95 --save /var/www/html/simplestream/camera1.jpg

 

<head>

<title>Simple Stream</title>

</head>

<body onload=init()>

<center><h1>Simple Stream</h1>

<img id=camera1 src=camera1.jpg>

<script>

function init(){

var x=setInterval("reload()",1000)

}

function reload(){

camera1.src="camera1.jpg?" + new Date().getTime();

}

</script>

 

203-204

 

/var/www/html/pantiltusb/index.html

 

<head>

<meta http-equiv="cache-control" content="no-cache, must-revalidate, post-check=0, pre-check=0" />

<meta http-equiv="cache-control" content="max-age=0" />

<meta http-equiv="expires" content="0" />

<meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT" />

<meta http-equiv="pragma" content="no-cache" />

</head>

<body onload=send()>

<center>

<form name=form1 action=pancam.php method=post target=frame2>

<table>

<tr><td colspan=2><h2>Pan/Tilt Camera #1</h2></tr></td>

<tr><td>

<img id=pic src=pic.jpg style=width:320;height:200;border-style:ridge;border-width:5;border-color:darkred>

</td>

<td width=50>

<input type=range orient="vertical" id=yslider name=yslider min=1 max=180 onchange="send()" style="color:blue;width:50;-webkit-appearance: slider-vertical;writing-mode: bt-lr"></slider>

</td></tr>

<tr><td align=center>

<input type=range id=xslider name=xslider min=1 max=180 onchange="send()"></slider>

</td>

<td>&nbsp</td>

</tr>

<input type=submit name=slidersubmitbutton id=slidersubmitbutton style=visibility:hidden>

<tr><td colspan=2>

<iframe name=frame2 id=frame2 style=height:50;border:0></iframe>

</td></tr></table>

</form>

<script>

//uncomment the next line if you want continous 1 second streaming

//var xw=setInterval("send()",1000);

function send(){

var x=document.getElementById("xslider");

var x=document.getElementById("yslider");

form1.slidersubmitbutton.click();

pic.src = 'pic.jpg?'+new Date().getTime();

}

</script>

 

205

<?php

echo "<body style=font-size:24 onload=init()><center>";

$xangle=$_POST['xslider'];

$yangle=$_POST['yslider'];

//inverse axes if necessary

$xangle = map($xangle, 1, 180, 180, 1);

//$yangle = map($yangle, 1, 180, 180, 1);

$result=shell_exec("python pantilt.py 4 ".$xangle." 14 ".$yangle);

echo $result;

function map($value, $fromLow, $fromHigh, $toLow, $toHigh) {

$fromRange = $fromHigh - $fromLow;

$toRange = $toHigh - $toLow;

$scaleFactor = $toRange / $fromRange;

$tmpValue = $value - $fromLow;

$tmpValue *= $scaleFactor;

return $tmpValue + $toLow;

}

?>

<script>

function init(){

parent.pic.src = 'pic.jpg?'+new Date().getTime();

}

</script>

 

206

#/var/www/html/pantiltusb/pantilt.py

import RPi.GPIO as GPIO

import time

import sys

import os

xpin=int(str(sys.argv[1]))

xangle=float(str(sys.argv[2]))

xangle=xangle/180*15

xangle = round(xangle, 1)

ypin=int(str(sys.argv[3]))

yangle=float(str(sys.argv[4]))

yangle=yangle/180*15

yangle = round(yangle,1)

sleeptime=1

hertz=50 #20 ms

GPIO.setmode(GPIO.BCM)

GPIO.setup(xpin,GPIO.OUT)

GPIO.setup(ypin,GPIO.OUT)

xpwm=GPIO.PWM(xpin,hertz)

xpwm.start(xangle)

print "X = ",sys.argv[2]

time.sleep(sleeptime)

xpwm.stop()

print " "

ypwm=GPIO.PWM(ypin,hertz)

ypwm.start(yangle)

print "Y = ",sys.argv[4]

time.sleep(sleeptime)

ypwm.stop()

GPIO.cleanup()

 

207

 

sudo usermod -a -G gpio www-data

sudo apt-get install fswebcam

fswebcam -r 320x200 --jpeg 100 /var/www/html/pancam/pic.jpg

sudo chmod 666 /var/www/html/p/pic.jpg

 

224

 

raspivid -o - -t 0 -w 800 -h 600 -br 60 -vf | cvlc stream:///dev/stdin --sout '#rtp{sdp=rtsp://:5000/}' :demux=h264

raspivid -o - -t 0 -w 800 -h 600 -br 60 -vf | cvlc stream:///dev/stdin --sout '#rtp{sdp=rtsp://:5000/}' :demux=h264 &

227

raspivid -o - -t 0 -w 800 -h 600 -br 60 -vf -hf| cvlc stream:///dev/stdin --sout '#rtp{sdp=rtsp://:5000}' :demux=h264

 

245

cat /home/pi/.ssh/id_rsa.pub | ssh dave@192.168.1.14 'cat >> .ssh/authorized_keys'

 

247

mkdir /home/pi/webfolder

 

cp -r -p /var/www/html /home/pi/webfolder/

 

cp -r -p /home/pi/webfolder/* /var/www/html/

 

249

 

 

0 21 1-31 1-12 0-6 scp –r /var/www/html pi@192.168.1.14: /var/www/html

 

45 18 1-31 1-12 1-5 scp /var/www/html/images pi@192.168.1.14:/var/www/html/images

 

30 13 1-31 1-12 6 cp -R /var/www/html /mnt/usb

 

 

250

 

mysqldump –udatabase_username –pdatabase_password databasename > backup_directory/backupfilename

mysqldump –uroot –ppassword dictionary > dictionary_backup.sql

 

269

 

sudo chown root:root /etc/postfix/sasl/sasl_passwd /etc/postfix/sasl/sasl_passwd.db sudo chmod 0600 /etc/postfix/sasl/sasl_passwd /etc/postfix/sasl/sasl_passwd.db

270

 

smtp_sasl_auth_enable=yes

smtp_sasl_security_options=noanonymous

smtp_sasl_password_maps = hash:/etc/postfix/sasl/sasl_passwd

smtp_tls_security_level = encrypt

smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt

 

273

 

echo -e "Subject:Appointment Needed \n\n I would like make an appointment for Monday.\n" | sendmail y2kleader@gmail.com

 

274

 

<?php

$to = "recipientemail@gmail.com";

$from = "youremail@gmail.com";

$subject="Basic Email Test";

$header="From: ".$from."\n";

$msg="Hello World!";

mail($to,$subject,$msg,$header);

?>

275

 

<?php

$to = "recipient1@gmail.com";

$from = "youremail@gmail.com";

$cc="recipient2@gmail.com";

$bcc="recipient3@gmail.com";

$subject="Basic Emails with CC and BCC";

$header="From: ".$from."\n";

$header.="Cc: ".$cc."\n";

$header.="Bcc: ".$cc."\n";

$msg="Hello World!";

mail($to,$subject,$msg,$header);

?>

 

279-280

 

<?php

$from = "youremail@gmail.com";

$to = "recipient1@gmail.com";

$cc="recipient2@gmail.com";

$bcc="recipient3@gmail.com";

$subject="Email Test";

$header="From: ".$from."\n";

$header="Cc: ".$cc."\n";

$header.="Bcc: ".$bcc."\n";

$msg="This is the body of the email.";

$files[0]="./pics/image1.jpg";

$files[1]="./pics/powerpoint1.pptx";

$files[2]="./pics/spreadsheet.xlsx";

$boundary = md5(time());

$header.="Content-Type: multipart/mixed; boundary=\"==Multipart_Boundary_".$boundary."\"\n";

$header.="\nMIME-Version:1.0"."\n";

$message="--==Multipart_Boundary_".$boundary."\n";

$message.="Content-Type: text/plain; charset=\"iso-8859-1\"\n";

$message.="Content-Transfer-Encoding:7bit\n";

$message.=$msg."\n";

for($x=0;$x<count($files);$x++){

$file=fopen($files[$x],"rb");

$data=fread($file,filesize($files[$x]));

fclose($file);

$data=chunk_split(base64_encode($data));

$path_parts = pathinfo($files[$x]);

$name=$path_parts['basename'];

$message.="--==Multipart_Boundary_".$boundary."\n";

$message.="Content-Type: {\"application/octet-stream\"};\n";

$message.=" name=\"$name\"\n";

$message.="Content-Disposition: attachment;\n";

$message.=" filename=\"$name\"\n";

$message.="Content-Transfer-Encoding: base64\n\n";

$message.=$data."\n\n";

}

$message.="--==Multipart_Boundary_".$boundary."\n";

$message.="--==Multipart_Boundary_".$boundary."--\n";

mail($to, $subject, $message, $header);

?>