- use the wifi icon to get IP address and wifi speed (option) - use command-space to find terminal - use ifconfig to verify your IP address (more on this next) - ping to see if others are awake - ctrl-c to cancel - ctrl-z to halt - ssh admin@10.14.254.xyz for secure shell - sudo shutdown -r now to reboot - say some clever stuff to say some clever stuff - traceroute to determine path to servers or others - sudo: super user do (later you can try su, or "make me root")

Friday, 1.17.25

- home/pi directory structure - sudo nano: create a file - ctrl-o: overwrite - ctro-x: exit - ls: list files (list) - ls -la: list even invisible, hidden files (list, long, all) - pwd: where am I? (print working directory) - cd: change directory - cd .. or cd up: cd up one level - nslookup - file browser - Herobrine game - more, less - install dnsutils: sudo apt install dnsutils -y

Wednesday, 1.22.25

- note pages on weblog for terminal commands

Challenges:

1. challenge #1: find herobrine on your machine 2. challenge #2: create a new folder (mkdir) inside your Documents folder 3. challenge #3: create a visible and and a hidden file inside this folder 4. challenge #4: create a document inside a folder on the pi-alpha machine 5. challenge #5: find the missing documents in your partner's machine 6. challenge #6: create a folder and a document WITH PERMISSION in your partner's machine 7. challenge #7: edit the file your partner has created on your machine

New commands:

- mkdir: create a directory - shortcut: up arrow means repeat last command... - ls -la permissions: rwx, 777 format, 4-2-1 - install apps: sudo apt install hardinfo -y - who also whoami - last last command, also the up arrow - top lists all processes, useful with kill (see later) (ctrl-x to quit) - ps: processes - ps -ax - kill: just what it sounds like - grep: ps -ax \| grep chess (on the mac) - history: shows recent commands like this, useful for retracing your steps or seeing who might have been in your machine

Network commands:

- ifconfig - ip addr show - sudo raspi-config: enable ssh - chmod: change permissions - chmod +x: makes something executable - cat /proc/cpuinfo - traceroute (install) - netstat or ss - wavemon - speedtest-cli (install) - nmap -sP 10.14.88.0/24 - sudo arp-scan 10.14.88.0/24 - sudo iftop - DNS part 2: nslookup servers - IP addresses, subnet mask, gateways - cat6 cables, wifi, security, html, www, servers - nomachine - Mac network utility - install apache: sudo apt install apache2 -y

2.18.25: Wednesday----

Check these pi apps out:

Geany (inside your programming folder)

pi-apps (will show up in your accessories folder):