Raspberry pi 3 Cheat Sheet

1rpi3_Important_commands

sudo su

sudo !!


clear {clear the console window}



apt-get update {updating sources list}

apt-get upgrade {upgrading the sources}


apt-get install 




man {manual}

help {help docs}

find {searches a directory and subdirectories}

nano textfilename.txt

ls {listing contents in dir}

cp ~/some_dir/file1 ~/some_dir2/file2 {copies file1 to /somedir_2/ as filename='file2'}

mkdir dirname {making new directory/folder}

rmdir dirname {deleting the directory permanantly CAUTION!}

ifconfig {network conguration}

wget address_to_file/filename.extention {downloads the file 'filename.extention' from the web and saves it to the current directory}

lsusb {list usb devices}

CHMOD {to change the permissions for a file}

SSH {secure shell}


curl {to download or upload a file to/from a server}

ping webaddress {check connection with 'webaddress} [ex. ping www.google.co.uk]

reboot now {rebooting immediately}

shutdown -h now {shutdown immediately}



sudo apt-get install rpi-update {get the latest firmware for your Raspberry Pi}

raspi-config {Raspberry Pi configuration tool} [https://www.raspberrypi.org/documentation/configuration/raspi-config.md]

apt-get install tightvncserver {installing vnc}

tightvncserver {starting vnc}

2rpi_3booting_usb.txt

In cmdline.txt (changed the following in the boot partition from both, SD-card and USB stick.) {
    root=/dev/[sdcard] 
      to
    root=/dev/[usbstick]
}

In config.txt (add the following) {
  program_usb_boot_mode=1
}

3rpi3_set_date_time.txt

### UPDATING DATE AND TIME ###

sudo apt-get install ntp

try this:
  sudo /etc/init.d/ntp stop
  sudo /etc/init.d/ntp start

If not with
  sudo /etc/init.d/ntp stop
  sudo ntpd -q-g
  sudo /etc/init.d/ntp start


### SET DATE MANUALLY ###

sudo date -s "Fri Feb 2 20:25:00 IST 2018"

4rpi3_install_apache+php7+mysql+phpmyadmin.txt

sudo apt-get update -y
sudo apt-get upgrade -y
sudo apt-get dist-upgrade -y
sudo apt-get install -y rpi-update

sudo apt-get install apache2 -y
sudo apt-get install -y php7.0-fpm php7.0-curl php7.0-gd php7.0-cli php7.0-mcrypt php7.0 php7.0-opcache php7.0-mbstring php7.0-xml php7.0-zip php7.0-mysql php7.0-json libapache2-mod-php7.0 php7.0-imap php7.0-xmlrpc libapache2-mod-php7* php7.0-cli php-mbstring php-gettext


sudo apt-get install mysql-server -y
sudo mysql_secure_installation

sudo apt-get install -y python-mysqldb python3-mysqldb 

sudo mysql -u root -p
GRANT ALL PRIVILEGES ON mydb.* TO 'username'@'localhost' IDENTIFIED BY 'password';
##enter username as 'whateveryouwant' password as 'whaterverpassword'##

sudo apt-get install phpmyadmin -y

sudo nano /etc/apache2/apache2.conf


##Enter the following at the bottom of this file 'apache2.conf':
##	Include /etc/phpmyadmin/apache.conf
	
sudo /etc/init.d/apache2 restart


### for securing server ###
sudo apt-get install fail2ban

5apache_ssl_config.txt

SSL Proxy Configuration

###  STEPS ###
  # sudo mkdir /etc/apache2/ssl
  # sudo openssl req -x509 -nodes -days 1095 -newkey rsa:2048 -out /etc/apache2/ssl/server.crt -keyout /etc/apache2/ssl/server.key
  
  # Enable Apache2 Modules for Proxying & SSL
    # sudo a2enmod proxy
    # sudo a2enmod proxy_http
    # sudo a2enmod ssl

  # sudo ln -s /etc/apache2/sites-available/default-ssl /etc/apache2/sites-enabled/000-default-ssl
  # sudo ln -s /etc/apache2/sites-available/default-ssl.conf /etc/apache2/sites-enabled/000-default-ssl.conf
  # sudo nano /etc/apache2/sites-enabled/000-default-ssl.conf
  
  # Change the two lines relative to SSLCertificate as follow (/etc/apache2/sites-enabled/000-default-ssl) 

      SSLCertificateFile    /etc/apache2/ssl/server.crt
      SSLCertificateKeyFile /etc/apache2/ssl/server.key
 
### Restart Apache ###
  sudo systemctl restart apache2

6rpi3_webmin_with_ssh.txt

#  add the Webmin repository to your sources.list file.
sudo nano /etc/apt/sources.list

# add following lines at the end of file (goto end of file press ctrl-v)
  deb http://download.webmin.com/download/repository sarge contrib
  deb http://webmin.mirror.somersettechsolutions.co.uk/repository sarge contrib

# add the Webmin GPG key to apt
wget -q http://www.webmin.com/jcameron-key.asc -O- | sudo apt-key add -

# update the sources
sudo apt-get update

# install  webmin
sudo apt-get install webmin -y

# Webmin is now running on:
https://rpi.local:10000

# Login to webmin using username and password