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Greg Altimas Open source technolgy. Raspberry Pi Linux Operating Systems.


How to add user and delete Pi user

1. sudo adduser usr

2. sudo usermod -aG sudo usr

3. sudo vi /etc/lightdm/lightdm.cnf

change autologin to usr

4. run raspberry-config and change -boot-options

stop 3 and 4 only required if using graphical login.

5. restart and login to new user.

6. sudo userdel -r pi.



Change to US Keyboard

1. sudo vi /etc/default/keyboard

2. XKBLAYOUT="us"



To enable SSH on a headless pi

1. cd into /boot

2. touch ssh

On boot raspberry pi needs to see a file titled ssh to enable ssh.


To install Lamp

apt-get install apache2 apache2-utils

apt-get install libapache2-mod-php php php-pear php-mysql php-curl php-gd

echo "<?;php phpinfo(); ?>" | sudo tee index.php



use find to search for file name regardless of caps

find /home -type f -iname "downloadC"



Temporarily kill wifi

sudo rfkill block wifi

sudo rfkill unblock wifi

sudo rfkill list all