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--- notes:hpc0 [2019/02/28 02:52] – [How To Install Stuff] jruskauf
+++ notes:hpc0 [2019/03/27 10:07] – [How to Search/Install/Uninstall in Debian] wedge
@@ Line 45: / Line 45: @@
     * If you connect the pins in the pwd thing you can bypass security like some kinda hacker.{{ :notes:motherboard.jpg?nolink&400 |}}
-====How To Install Stuff====
+====How to Search/Install/Uninstall in Debian====
-    *apt-cache search "something" / This is useful for finding exactly the program package you want, such as man-db, manpages, or manpages-dev, which will help you immensely with using things you know nothing about!
+    ***sudo apt-cache search "something"** :: This is useful for finding exactly the program package you want, such as **man-db, manpages, and manpages-dev**. Those will help you immensely with using things you know nothing about!
-    *apt-get install "something" / This is used to install the thing which you want.  It is case sensitive, so make sure to type the exact package you want.
+    ***sudo apt-get install "something"** :: This is used to install the thing which you want.  It is case sensitive, so make sure to type the exact package you want.
-    *apt-get update / Update everything you've installed, but do not push the updates to the software yet.  Also updates the apt-cache.
+    ***sudo apt-get update** :: Update everything you've installed, but do not push the updates to the software yet.  Also updates the apt-cache.
-    *apt-get upgrade / Push the update to all software on your system.  Be careful, it may break your system if there is a bad bug in the new update!
+    ***sudo apt-get upgrade** :: Push the update to all software on your system.  Be careful, it may break your system if there is a bad bug in the new update!
-    *apt-get remove --purge "something" / Will completely remove the program specified, including any "crumbs" leftover.
+    ***sudo apt-get remove --purge "something"** :: Will completely remove the program specified, including any "crumbs" leftover.
+    ***sudo dpkg -l** :: This will display any programs/packages you currently have installed.  Useful to check what you have and don't have.
+=====Raspberry Pi / Electronics=====
+A useful beginner's guide on LEDs (especially how to calculate the ideal resistance):
+  * https://www.instructables.com/id/LEDs-for-Beginners/
+The Infrared LEDs we have (note the input voltage (1.5VDC) and amperage (50mA -> 0.05A)):
+  * https://www.sparkfun.com/products/9349
 =====DokuWiki wrap plugin=====
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