Summary: In this episode we review our IT skills. We start of with a review of Dorothy’s Linux skills. I asked her a bunch of questions to see what she’s learned. We also talk about Windows, network engineering and security.<br> LINUX QUESTIONS & ANSWERS<br> LINUX COMMANDS<br> <br> <br> What is the command for changing directories? cd<br> <br> <br> What is the command for listing a directory? ls<br> <br> <br> What is the command for listing a directory as a list with more info? ls -l<br> <br> <br> What is the command for listing a directory as a list with more info? ls -a<br> <br> <br> What is the command for showing the last part of a file? tail<br> <br> <br> How do you edit a file? nano + name of file<br> <br> <br> How do you create a new file? nano & press enter. Add test. Ctrl+X, name file, enter. Or nano + name of new file.<br> <br> <br> What is the command for showing the process tree? ps axu<br> <br> <br> What is the command for reading a file? less + name of file<br> <br> <br> LINUX FILE SYSTEM<br> <br> <br> Where are the log files located? /var/log/<br> <br> <br> Where are the config files located? /etc<br> <br> <br> Where are user files located? /home<br> <br> <br> What is /usr for? General software is installed here.<br> <br> <br> What is /usr/local for? /usr/local is “for use by the system administrator when installing software locally”.<br> <br> <br> What is /var for? This folder contains log files about the software on your computer.<br> <br> <br> What is /etc/init.d for? The init.d directory contains a number of start/stop scripts for various services on your system.<br> <br> <br> DHCP<br> <br> <br> What is DHCP used for? A service that automatically provides network configuration. Must have a server and a client.<br> <br> <br> What are the 3 different configuration options for DHCP? Dynamic (Address Pool), by Manual Allocation (MAC address) and Automatic.<br> <br> <br> Which configuration option did we use? Dynamic<br> <br> <br> <br>
