How The default username to log in to a raspberry pi is pi and the password is raspberry. To list the directories and files for the current directory ls To make a new directory mkdir myNewDirectory to change into the new directory would then be: cd myNewDirectory To shut down the Rasberry Pi sudo poweroff To reboot sudo reboot To start the GUI desktop startx Apt-get is the command-line tool for managing packages for Debian Linux To download a package from the package directory apt-get packagename To download and install apt-get install packagename To uninstall a package apt-get remove packagename Nb you can use the up and down arrow keys to navigate through previous commands More info Raspberry Pi documentation - terminal CLI Spells for the Raspberry Pi.
Made with by artefacto. Connect with us. By default, the ls command lists files and directories in alphabetical order. This can be altered by appending the command with an option. For instance:. This sorts them by time of creation or modification, with the most recent appearing first. Other sorting options include -r reverse alphabetical and -S file size. You might also want to see hidden files, such as those whose names start with a period.
To do so, the prefix sudo needs to be added to the command. Note that a super user see above is needed to install or remove packages. GitHub icon. Growing fruit and vegetables can be so frustrating, but a Raspberry Pi-based smart agriculture project helps take the uncertainty out of cultivation. Bringing the jam sessions outside thanks to a Raspberry Pi broadcasting notes and lyrics. Rob Zwetsloot grabs a seat and listens. Sniffing out your surroundings with this next step in sensor technology.
Rob Zwetsloot asks a Raspberry Pi to detect cheese or petrol. See more articles. Why learn to use Terminal and the Command Line? The fastest way to get access to the command line is through the Terminal app. Find your location in the command line The first thing you need to learn is how to find out where you are.
You can view the contents of a directory inside your working directory using ls and its name: ls Documents You can also view the contents of the directory above you using two dots.. Now try it using an absolute path. Hard links: The number of files that are linked to this file.
Owner: The person who owns the file. Usually either pi or root. Group: The group the file belongs to. File size: The name of the file. Modification: When the file was last changed. File name: The name of the file. The most obscure item is the list of letters and hyphens that make up the permissions.
After that are nine letters arranged into three groups of three see Fig 1 overleaf : Owner: Typically this will be the person who created the account.
Group: This is a group of users. You have only one group, pi, by default, containing just one user also pi. Other: These are users from other systems. Make a directory and file in Terminal on Raspberry Pi One of the first commands you need to learn is mkdir. Enter: touch test. We can edit the contents of the file using a text editor called nano: nano test. This command removes the file: rm test. Enter: rm -R test The test directory and everything inside will disappear.
Command options Most commands have options that affect how they work. What is sudo in the command line? However, enter: sudo touch test. Now try to delete it: rm test. You need to use sudo to remove the file: sudo rm test.
What is man? You can even get a manual for the man command with: man man If you need a quick reminder on how to use a command, try using it with -h or --help as an option: touch --help …tells you what options are available with the touch command.
How to get help from the Linux command line We spend a lot of time in terminal, using the Linux command line environment on a Raspberry Pi. Terminal: using Man to get help at the command line The man tool is so important that we think it deserves a more thorough explanation. For instance, enter: man passwd …and you will see detailed information about the tool used to change your password. You can even read a man page for man: man man Press H in the man screen to view a summary of navigational key presses.
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