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If you’re just discovering the no-frills, highly versatile, and tiny Raspberry Pi computer, then you’re...
If you’re just discovering the no-frills, highly versatile, and tiny Raspberry Pi computer, then you’re probably feeling a little lost. Fortunately, the feeling passes quickly. Those who’re already familiar with Linux will definitely have an edge. In order to give everyone else a leg up: here’s 10 tips to master Raspberry Pi.
The RPi will work with any monitor with an HDMI or DVI port. This will expand your horizons considerably with the appropriate cable at hand.
RPi’s primarily use Secure Digital (SD) card to store its operating system and data, so the SD type you choose will determine how fast your RPi works, as well as how much memory you’ll have to play around with.
Class 10 SD High Capacity (SDHC) cards are recommended as a good balance between speed and economy. The runner up would have to be UHS SDHC cards, which are at least twice as expensive with the same storage capacity.
Need Internet access but don’t have a router or WiFi adapter handy? You can connect the RPi to your other computer with a WiFi connection via the Ethernet port to gain access.
You can have several screens going at the same time in command mode. To switch from one to the other, simply press Alt+F1 for the first screen, Alt+F2 for the second screen, and so on up to F6. Presto! Quick and easy navigation.
Unlike MS-DOS, there are shortcuts in RPi for command lines. Type a couple of letters, hit tab, and see if you get the jackpot. If you don’t, hit tab again and the bash (command interpreter) will give you a list of possible choices.
In RPi, there are certain commands that only the superuser (administrator) can execute, but there’s an override command: “sudo !!” which will execute the command immediately.
Bash keeps a list of commands you’ve already used before, so simply hit the up arrow key to scroll through the history. Hit enter when you get to the command you want to execute.
Or would you prefer leaping lizards? Whatever your idiom of choice, you actually can jump in RPi’s command window. To go back to the very beginning, press Ctrl+A. To jump to the very end, press Ctrl+E.
Oooh, the mighty screenshot. There’s no built-in function for screenshots in RPi, but an app called scrot can get you there. Type “sudo apt-get install scrot” then press enter. When it has been installed, type “scrot” in command mode and execute; this will create a PNG on the desktop. You can see additional options in scrot by executing “scrot-h.”
To get into your RPi from a computer running OS, Linux, or Windows, you have to find your RPi’s IP address. To get this, type “sudo raspi-config” on the command line and enable SSH. Next, you key in “ifconfig” which gives you your RPi’s IP. To access the command line from an OS or Linux computer, type “ssh pi@[ip address]” to connect to your Pi. On Windows, you will have to install PuTTY first.
These are just some of the basic things you need to know to make getting to know your RPi’s capacities a little better. Have you found these tips helpful? Do you have anything to add? Your input is always valued, so share your thoughts in the comments.