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Difference between revisions of "Pi4"

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[[File:Pi4.jpg|200px|left|link= https://wa5gmr.com/batchelor-s/mall/create_account.php $75___Free Shipping]]
+
<big><big><big><big>
 +
Limited Supply
  
−
______microSD card included
+
[[file:Pi4_61c.jpg|270px|left|link=https://batchelor-s.com/index.php?title=%3D%3D]]
  
−
______For most people Raspberry Pi3 Model B is the one to choose
+
[https://batchelor-s.com/b/contactus.html Pi 4 rent]
  
−
______If you do not use a Pi0W then the Pi3B+ is a little faster
+
2 bits (25 cents) a day  -- $500 deposit
  
−
______Raspberry Pi4 Model B is the newest, fastest, and most expensive
+
Try it - see if you like it
  
−
______Raspberry Pi4 comes with either 2GB 4GB or 8GB RAM ($$$$)
+
Run dual monitors
  
−
______If you go with the Pi4 get the 8GB
+
5 Volt Power Supply
  
−
______The Pi3 is a better value
+
pair of Micro HDMI cables
  
−
______If you do not use Pi0 then go with the Pi3B+
+
Connect TV with HDMI for a display (not included)
  
−
______It is faster but not compatable with Pi0W
+
Plug in cable to your internet modem and go live internet
  
−
______The Pi0 does not have wi-fi
+
USB keyboard, mouse, monitor NOT INCLUDED
  
−
______Get the Pi0W for a better bang for your buck
 
  
−
______Pi0W for wireless AP or Private Cloud (works great)
 
  
−
______Connect with your phone
 
  
−
______Pi0 for portable projects such as robots
+
[[file:Micro_61.jpg|270px|left|link=https://batchelor-s.com/index.php?title=Micro_61]]
 +
[https://batchelor-s.com/b/contactus.html Micro HDMI cables  $20 pair]
  
−
______Do you want to buy a Raspberry Pi https://batchelor-s.com/
+
Monster Cable
  
−
______All Raspberry Pi models have a micro USB port for power
+
Heavy Duty Triple Layer Shielding
  
−
______(the same found on many mobile phones)
+
Low-Loss Nitrogen Gas
  
−
______Pi4 has USB-C with a power supply that provides least 3.0 amps
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Injected Dielectric
  
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______You need a microSD card with a capacity of at least 16 GB (32GB)
+
Large Gauge Copper Connectors
  
−
______Smaller cards are getting harder to find at a good price
+
Advanced for HDMI
  
−
______TV with HDMI input
 
  
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______The Pi is able to play sound (no extra cables)
 
  
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______Computer monitors do not work well (VGA adapter $$$)
 
  
−
______Raspberry Pi4 has two microHDMI ports ($$$)
 
  
−
______allowing you to connect two separate monitors.
 
  
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______You need either a microHDMI-to-HDMI cable ($$$)
 
  
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______or a microHDMI-to-HDMI adapter ($$)
 
  
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______What a pain
 
  
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______Raspberry Pi3 has a single full-size HDMI port
 
  
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______so you can connect it using a cheap standard HDMI-to-HDMI cable
 
  
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______Some screens only have a VGA port, you need HDMI-to-VGA adapter ($$$$$)
 
  
−
______Pi0 does not have an Ethernet port to the internet
 
  
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______Do not even think of using a Pi0W on the internet
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______[[file:Pi4_61c.jpg|140px|link=https://batchelor-s.com/b/contactus.html]]
 +
Raspberry [[Pi4]]
  
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______It is single core and no connectors
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______[[file:sd.jpg|140px|link=https://batchelor-s.com/b/contactus.html]]
 +
[[microSD card]] & software $20
  
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______Yes, you can do it, but it is not worth it
 
  
−
______It also has a miniHDMI connector ($$$)
+
______[[file:Micro_61.jpg|140px|link=https://batchelor-s.com/b/contactus.html]]
 +
micro HDMI to HDMI cable $20 pair
  
−
______On a Pi0W forget the connectors ($$$$)
+
______ 5 Volt Power Supply $15 
  
−
______Set it up to connect with wireless
 
  
−
______Pi3 amd Pi4 can also be wirelessly connected to the internet
+
______USB wireless keyboard and mouse  $20
  
−
______Pi0 could but not worth it.
 
  
−
______Are you going to put a USB adapter for the keyboard and mouse
+
______TV with HDMI input --- out of stock
  
  
−
[[--]]
+
______[https://batchelor-s.com/b/contactus.html contact us]
 +
 
 +
 
 +
Pi 4 - for rent [[==]] 25 cents a day  $500 deposit
 +
 
 +
Includes Power Supply, pair of HDMI cables, software
 +
 
 +
Software is open source. Make as many copies as you desire.
 +
 
 +
Office software - word processor - spreadsheet - web browser - email - much more
 +
 
 +
 
 +
 
 +
 
 +
<big><big>
 +
No menu bar with root.</big></big>
 +
 
 +
:"I set a password for root "
 +
 
 +
:"When I login as root, no menu bar"
 +
 
 +
 
 +
Make your own menu bar
 +
 
 +
I often use FileManager as root
 +
 
 +
sudo passwd root
 +
 
 +
set password
 +
 
 +
ctrl+alt+F2
 +
 
 +
login root
 +
 
 +
ctrl+alt+t
 +
 
 +
pcmanfm
 +
 
 +
/usr/share/raspi-ui-overides/applications/
 +
 
 +
- copy file-manager to root desktop
 +
 
 +
 
 +
 
 +
:"Simple answer is 'Don't do it.' "
 +
 +
Dougie
 +
 
 +
That is not a valid answer.
 +
 
 +
That is advice.
 +
 
 +
 
 +
 
 +
 
 +
:"Debian does NOT have a root login"
 +
 
 +
:"No distribution allows root to use a GUI."
 +
 
 +
Not true
 +
 
 +
Check linux mint. I do it all of the time.
 +
 
 +
:"there should be no need to ever login as root."
 +
 
 +
I bet you also do not root your phone.
 +
 
 +
How would you copy a file from one directory to another?
 +
 
 +
Do you use a terminal or a GUi ?
 +
 
 +
Fresh install of mediawiki
 +
 
 +
it saves LocalSettings.php in ~/Downloads/
 +
 
 +
It needs to go in /var/lib/mediawiki/
 +
 
 +
You can do it with a terminal
 +
 
 +
but is easier with FileManager
 +
 
 +
If you try to do it with FileManager
 +
 
 +
you do not have permission
 +
 
 +
how do you use sudo to call FileManager
 +
 
 +
do you drop to a terminal to call sudo filemanager
 +
 
 +
I am not sure this even works
 +
 
 +
or just run your mouse over to the FileManager icon
 +
 
 +
Wait, stupid pi does not have an icon with root
 +
 
 +
 
 +
How do you edit a config file?
 +
 
 +
Probably use nano.
 +
 
 +
How would you use geany to edit LocalSettings.php
 +
 
 +
sudo passwd root
 +
 
 +
enter password
 +
 
 +
Change workspace ctl+alt+F2
 +
 
 +
login as root
 +
 
 +
startx
 +
 
 +
FileManager
 +
 
 +
change to directory
 +
 
 +
click on the file
 +
 
 +
open with geany
 +
 
 +
make edits
 +
 
 +
save
 +
 
 +
 
 +
------------------------
 +
 
 +
:"why are you logging in as root?
 +
 
 +
:On modern Linux/Unix systems generally the root user is disabled "
 +
 
 +
So, how does one enable it?
 +
 
 +
:"it may be missing various configuration files
 +
 
 +
:and these may need to be created. "
 +
 
 +
like what?
 +
 
 +
:"Of course if you have a reason for logging in as root, "
 +
 
 +
:"then there's no problem with that - "
 +
 
 +
It is the problem. Finding the files.
 +
 
 +
:" the desktop is not designed to run as root."
 +
 
 +
:"You might not like it, but it's how things are set up."
 +
 
 +
and how does one change the set up?
 +
 
 +
:"there is no good reason to change this"
 +
 
 +
You own my computer ?
 +
 
 +
check
 +
 
 +
.config/.lxsession
 +
 
 +
 
 +
 
 +
 
 +
 
 +
[[==]]

Latest revision as of 11:56, 28 May 2024

Limited Supply

Pi4 61c.jpg

Pi 4 rent

2 bits (25 cents) a day -- $500 deposit

Try it - see if you like it

Run dual monitors

5 Volt Power Supply

pair of Micro HDMI cables

Connect TV with HDMI for a display (not included)

Plug in cable to your internet modem and go live internet

USB keyboard, mouse, monitor NOT INCLUDED



Micro 61.jpg

Micro HDMI cables $20 pair

Monster Cable

Heavy Duty Triple Layer Shielding

Low-Loss Nitrogen Gas

Injected Dielectric

Large Gauge Copper Connectors

Advanced for HDMI







______Pi4 61c.jpg Raspberry Pi4

______Sd.jpg microSD card & software $20


______Micro 61.jpg micro HDMI to HDMI cable $20 pair

______ 5 Volt Power Supply $15


______USB wireless keyboard and mouse $20


______TV with HDMI input --- out of stock


______contact us


Pi 4 - for rent == 25 cents a day $500 deposit

Includes Power Supply, pair of HDMI cables, software

Software is open source. Make as many copies as you desire.

Office software - word processor - spreadsheet - web browser - email - much more



No menu bar with root.

"I set a password for root "
"When I login as root, no menu bar"


Make your own menu bar

I often use FileManager as root

sudo passwd root

set password

ctrl+alt+F2

login root

ctrl+alt+t

pcmanfm

/usr/share/raspi-ui-overides/applications/

- copy file-manager to root desktop


"Simple answer is 'Don't do it.' "

Dougie

That is not a valid answer.

That is advice.



"Debian does NOT have a root login"
"No distribution allows root to use a GUI."

Not true

Check linux mint. I do it all of the time.

"there should be no need to ever login as root."

I bet you also do not root your phone.

How would you copy a file from one directory to another?

Do you use a terminal or a GUi ?

Fresh install of mediawiki

it saves LocalSettings.php in ~/Downloads/

It needs to go in /var/lib/mediawiki/

You can do it with a terminal

but is easier with FileManager

If you try to do it with FileManager

you do not have permission

how do you use sudo to call FileManager

do you drop to a terminal to call sudo filemanager

I am not sure this even works

or just run your mouse over to the FileManager icon

Wait, stupid pi does not have an icon with root


How do you edit a config file?

Probably use nano.

How would you use geany to edit LocalSettings.php

sudo passwd root

enter password

Change workspace ctl+alt+F2

login as root

startx

FileManager

change to directory

click on the file

open with geany

make edits

save


"why are you logging in as root?
On modern Linux/Unix systems generally the root user is disabled "

So, how does one enable it?

"it may be missing various configuration files
and these may need to be created. "

like what?

"Of course if you have a reason for logging in as root, "
"then there's no problem with that - "

It is the problem. Finding the files.

" the desktop is not designed to run as root."
"You might not like it, but it's how things are set up."

and how does one change the set up?

"there is no good reason to change this"

You own my computer ?

check

.config/.lxsession



==

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