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by bjtheone
Mon Nov 18, 2019 8:20 pm
Forum: General discussion
Topic: Transferring data from Raspberry Pi 2 to Raspberry Pi 4
Replies: 7
Views: 214

Re: Transferring data from Raspberry Pi 2 to Raspberry Pi 4

You could stick the SD card from your Pi 2 in a SD to USB adaptor, plug that into your Pi 4 (which will happily read the ext filesystem) and just copy away. If you have structured your project in a sane way it should be easy to just copy over the required directories. If you have things dumped throu...
by bjtheone
Mon Nov 18, 2019 3:02 pm
Forum: Beginners
Topic: automatically save session on logout
Replies: 2
Views: 80

Re: automatically save session on logout

AFAIK, LXDE does not have shutdown session management that would allow you to save the state of windows and programs running in terminals and restore to this state at next startup. There was some work on an alternate LXSession but it seems to have fizzled out. As noted, the startup configuration all...
by bjtheone
Mon Nov 18, 2019 2:27 pm
Forum: Beginners
Topic: Mouse dragging instead of clicking
Replies: 2
Views: 75

Re: Mouse dragging instead of clicking

Have not experienced that. However, I am running Mate as a desktop, on top of a fully up to date Raspbian Lite. If you would point to a particular website and specific item on the page where this behaviour is repeatable for you, I would be happy to attempt to duplicate.
by bjtheone
Mon Nov 18, 2019 1:39 pm
Forum: General discussion
Topic: File Manager just dying
Replies: 17
Views: 522

Re: File Manager just dying

I don;t know if this is a good idea, or a bad idea, but I usually run this script once a day, and most days there is something updated. So far - I've been lucky with it, and nothing has failed or broken (except a reboot issue when one particular USB drive is connected). #!/bin/bash sudo apt-get upd...
by bjtheone
Sat Nov 16, 2019 12:21 am
Forum: General discussion
Topic: Pi4 as Desktop computer
Replies: 280
Views: 25006

Re: Pi4 as Desktop computer

Perhaps not so modern but slashdot is a major resource hog: https://slashdot.org/ If you have a Pi 4 to hand I would love to know how well this page performs on it: https://www.babylonjs.com/demos/v8/ With my regular stuff and slashdot added, Ram sits a 348 MB free, and the engine simulator is runn...
by bjtheone
Fri Nov 15, 2019 8:43 pm
Forum: General discussion
Topic: KDE desktop not working on the pi4
Replies: 22
Views: 548

Re: KDE desktop not working on the pi4

If you were using the instructions posted earlier in this thread, are you sure you added all the repositories listed. The error you are getting is that KDE is not in the Raspbian default repository list.
by bjtheone
Fri Nov 15, 2019 6:22 pm
Forum: Advanced users
Topic: new user that can run startx without sudo
Replies: 19
Views: 5223

Re: new user that can run startx without sudo

[I do as well and always remove the pi user + that file on my Raspbian installs. However, you just know somebody is going to complain that renaming the pi user without updating that file has broken the magical sudo command that they prepend to everything. Having passwordless sudo is still marginall...
by bjtheone
Fri Nov 15, 2019 4:14 pm
Forum: Beginners
Topic: Firewall like Little Snitch?
Replies: 7
Views: 241

Re: Firewall like Little Snitch?

PS : THIS SOFTWARE IS WORK IN PROGRESS, DO NOT EXPECT IT TO BE BUG FREE AND DO NOT RELY ON IT FOR ANY TYPE OF SECURITY. Welcome to the wonderful world of personal liability and way way too many lawyers. The funny thing is that almost all commercial software has pretty much the same sort of disclaim...
by bjtheone
Fri Nov 15, 2019 4:03 pm
Forum: General discussion
Topic: Pi4 as Desktop computer
Replies: 280
Views: 25006

Re: Pi4 as Desktop computer

Facebook can bring regular laptop to a crawl. [Mod edited out some FB bashing] You did not state what those other 8 chrome tabs may be, modern web pages can be huge memory and processor hogs. Clearly you are loading your system too much. Don't do that and it will work much better. I agree with you ...
by bjtheone
Fri Nov 15, 2019 2:17 pm
Forum: General discussion
Topic: Test software update manager
Replies: 6
Views: 262

Re: Test software update manager

What would make this kind of idea attractive is if I could deploy software and updates to my fleet of remote Pi and other machines but I could choose which operator I want to use and I could change operator if need be. The problem is that without some form of lockin how would they monetize it? This...
by bjtheone
Fri Nov 15, 2019 1:56 pm
Forum: Beginners
Topic: Firewall like Little Snitch?
Replies: 7
Views: 241

Re: Firewall like Little Snitch?

OpenSnitch is a Linux port of Little Snitch.


https://github.com/evilsocket/opensnitch
by bjtheone
Fri Nov 15, 2019 1:51 pm
Forum: Beginners
Topic: OS or Hardware issues?
Replies: 13
Views: 467

Re: OS or Hardware issues?

Using a Pi 4 with Raspbian Buster and I have noticed the same thing occasionally, the most recent was yesterday. So I understand Windowsfree writing 'If I power off with the hardware switch.' because the Pi forces me to do that often. I just watch to make sure there is no activity on LEDs before pu...
by bjtheone
Thu Nov 14, 2019 11:34 pm
Forum: Beginners
Topic: OS or Hardware issues?
Replies: 13
Views: 467

Re: OS or Hardware issues?

Greetings, I have a RPi4 (4gigs of RAM) running the latest Raspbian OS. The OS occasionally "freezes". I have timed it and the freeze lasted 10 minutes. I could not even open a terminal. If I power off with the hardware power switch and turn it back on - the Taskbar will occasionally miss things li...
by bjtheone
Thu Nov 14, 2019 10:32 pm
Forum: General discussion
Topic: How do you live stream from a raspberry pi wirelessly without wifi?
Replies: 3
Views: 202

Re: How do you live stream from a raspberry pi wirelessly without wifi?

Hello I'm new to Raspberry pi and I need help. I was planning to make a coral reef monitoring system with a camera and some other sensors to keep track of the status of the reef. The device will be anchored near the reef but how do I transmit the video wirelessly without WiFi I would suggest that y...
by bjtheone
Thu Nov 14, 2019 9:29 pm
Forum: General discussion
Topic: Time and date indicated by Raspberry Pi
Replies: 7
Views: 326

Re: Time and date indicated by Raspberry Pi

Not with a standard build. Default behaviour in stock Buster is to update time from the network, if you have connectivity. If yours does not, it is either misconfigured, broken or you do not have the appropriate connectivity (blocked by your network, or upstream). If you could shed more light on wha...
by bjtheone
Thu Nov 14, 2019 9:09 pm
Forum: General discussion
Topic: KDE desktop not working on the pi4
Replies: 22
Views: 548

Re: KDE desktop not working on the pi4

What I mean to say is that my experience is that with the pi3B al things where faster than with the pi4 4 GB with LXDE :) I am not disputing that is how your Pi4 is behaving. However, if that is the case something is very wrong with it, either in hardware (most likely a sick/dying SD card) or in so...
by bjtheone
Thu Nov 14, 2019 4:38 pm
Forum: General discussion
Topic: KDE desktop not working on the pi4
Replies: 22
Views: 548

Re: KDE desktop not working on the pi4

Thanks for the script, but when I copy and paste into the terminal, I get all of this sort of parenthesis> for each line. What am I doing wrong ? Is it normally possible to copy and paste the script in the terminal or must I paste the script in notepath and save and execute ? Thanks I will gently o...
by bjtheone
Thu Nov 14, 2019 4:25 pm
Forum: General discussion
Topic: KDE desktop not working on the pi4
Replies: 22
Views: 548

Re: KDE desktop not working on the pi4

I believe there are still some issues when trying to just install KDE Desktop on top of Raspbian Lite. As far as I know Manjaro has a build with KDE available for Pi4. No idea of how well it works as I am running Raspbian, but I have read claims that it is functional. https://manjaro.org/download/ar...
by bjtheone
Thu Nov 14, 2019 2:36 pm
Forum: Advanced users
Topic: new user that can run startx without sudo
Replies: 19
Views: 5223

Re: new user that can run startx without sudo

A faster way is to just rename user "pi" to another name: You need to change /etc/sudoers.d/010_pi-nopasswd as well if you want the ability to run sudo without entering your password first. Personally I think passwordless sudo is truly evil and never set it up that way (here kid learning to juggle,...
by bjtheone
Wed Nov 13, 2019 8:44 pm
Forum: Advanced users
Topic: new user that can run startx without sudo
Replies: 19
Views: 5223

Re: new user that can run startx without sudo

A faster way is to just rename user "pi" to another name: 1. sudo passwd root [enter new ridiculous root password. Remember it.] 2. Log/ssh into pi as root using ridiculous password. 3. usermod -l newname -d /home/newname -m oldname ls -al /home/ [See that you've changed the user & home folder. Yay....
by bjtheone
Wed Nov 13, 2019 8:24 pm
Forum: Troubleshooting
Topic: Upgrade to buster partial failure (i think)
Replies: 6
Views: 183

Re: Upgrade to buster partial failure (i think)

If there is nothing left to update you are mostly assured it completed. The issue is if you take a bone stock Stretch install, update it to the latest and greatest, then dist-update it to the next release it likely will work. However, if you have a old (non up to date) Stretch, with various odds and...
by bjtheone
Wed Nov 13, 2019 6:55 pm
Forum: Español
Topic: Alimentacion Raspberry. RIP
Replies: 2
Views: 193

Re: Alimentacion Raspberry. RIP

To unpack that further: All work should be done with the Pi off. This includes soldering, attaching connectors, bare wires, etc. If you short out certain pins you will kill your Pi. Yes there are ways to work on a powered up Pi, but if you do it wrong or connect something that does not behave the wa...
by bjtheone
Mon Nov 11, 2019 3:42 pm
Forum: General discussion
Topic: Lost Directories and Files after doing a password reset
Replies: 4
Views: 136

Re: Lost Directories and Files after doing a password reset

If you booted into single user mode, via adding "init=/bin/sh" to cmdline.txt you need to change back to normal mode by removing it, and then reboot.
by bjtheone
Mon Nov 11, 2019 1:44 pm
Forum: General discussion
Topic: Raspberry Pi4 per streaming
Replies: 1
Views: 67

Re: Raspberry Pi4 per streaming

Pi 4 works just fine to play movies. If that is _all_ you want to do there are distros specifically built to do that (Kodi-based media centers OSMC and LibreElec). You need to check if the 4B is supported yet officially. Last time I looked it worked but there were some issues. If that is all you wan...
by bjtheone
Fri Nov 08, 2019 4:57 pm
Forum: General discussion
Topic: Root password not working.
Replies: 9
Views: 320

Re: Root password not working.

It potentially depends on where you came from. To me elevated user privileges just seem wrong. Root admin stuff is done using root, in terminals that look different (different prompt, different colour, etc). Regular stuff is done by regular users. Support folks lived as regular users except when the...

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