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by RaTTuS
Tue Sep 17, 2019 8:12 am
Forum: Beginners
Topic: Computer monitor & Raspberry Pi 4B
Replies: 5
Views: 208

Re: Computer monitor & Raspberry Pi 4B

yes HDMi to dvi cables work fine
by RaTTuS
Mon Sep 16, 2019 1:19 pm
Forum: Media centres
Topic: No signal to Pi 3+ with TV aerial splitter but ok with aerial cable direct?
Replies: 11
Views: 377

Re: No signal to Pi 3+ with TV aerial splitter but ok with aerial cable direct?

Are you sure you have a splitter connected correctly, they are often market showing which port is input ( aerial ) , incorrectly connecting them may lead to the signal not being passed through. Looking at your image I can't see the markings but comparing it with this image https://i.imgur.com/fDZmE...
by RaTTuS
Wed Sep 11, 2019 11:52 am
Forum: Troubleshooting
Topic: [SOLVED]Raspberry Pi 4 boot time > 2 minutes
Replies: 16
Views: 455

Re: Raspberry Pi 4 boot time > 2 minutes

Try another card, you may have a fake
by RaTTuS
Tue Sep 10, 2019 2:29 pm
Forum: Beginners
Topic: Creatief cron job
Replies: 5
Views: 106

Re: Creatief cron job

i tried this command now but it still does not work. */5 * * * * sudo sdparm --command=stop /dev/sda1 please help don't use sudo in cron use sudo crontab -e to make a system cron file and put the full paths to everything in it i.e. */5 * * * * /sbin/sdparm --command=stop /dev/sda1 or whereever it l...
by RaTTuS
Tue Sep 10, 2019 2:25 pm
Forum: Beginners
Topic: Correct build and install for OpenCV and Pi4
Replies: 2
Views: 101

Re: Correct build and install for OpenCV and Pi4

make install should be
sudo make install
as you need to make changes to system stuff
the make should not be sudo
by RaTTuS
Tue Sep 10, 2019 9:59 am
Forum: General discussion
Topic: New P4 HDMI sockets
Replies: 25
Views: 871

Re: New P4 HDMI sockets

... Excellent. Promote a cable of dubious/unknown quality because you don't like the design/colour of the official known high quality one. Fantastic advice. as I pointed out in my post ^^^way up there these work fine on my PI'4s YMMV obviously... some people will always go for the cheapest or may n...
by RaTTuS
Tue Sep 10, 2019 9:55 am
Forum: General discussion
Topic: Still confused, what is better for my SD card?
Replies: 19
Views: 986

Re: Still confused, what is better for my SD card?

just because you have defined partitions for yourself, which are just ranges of block numbers, does not mean the SD card won't use whatever actual physical space it likes. I've read this sentence several times but still not sure if that's a "yes, leaving unpartitioned space helps with wear levellin...
by RaTTuS
Mon Sep 09, 2019 2:33 pm
Forum: General discussion
Topic: New P4 HDMI sockets
Replies: 25
Views: 871

Re: New P4 HDMI sockets

by RaTTuS
Mon Sep 09, 2019 10:40 am
Forum: General discussion
Topic: Rpi4 Ethernet Link Goes Down/Up
Replies: 4
Views: 280

Re: Rpi4 Ethernet Link Goes Down/Up

dodgy power ?
dodgy NIC lead
dodgy NIC socket [either end]
dodgy PI

test by swapping components
by RaTTuS
Fri Sep 06, 2019 10:26 am
Forum: Troubleshooting
Topic: RPi 4 - power problem
Replies: 9
Views: 318

Re: RPi 4 - power problem

I suspect the wiring - post all diagrams and photos
by RaTTuS
Wed Sep 04, 2019 9:16 am
Forum: Troubleshooting
Topic: 5 Inch Screen - Blue vertical line
Replies: 4
Views: 134

Re: 5 Inch Screen - Blue vertical line

ask the people that make it ?
by RaTTuS
Tue Sep 03, 2019 11:53 am
Forum: Beginners
Topic: Raspberry pi 4, VGA adaptor
Replies: 8
Views: 538

Re: Raspberry pi 4, VGA adaptor

just use a mico hdmi to dvi cable
don't bother with vga on RPI
by RaTTuS
Tue Sep 03, 2019 11:24 am
Forum: Advanced users
Topic: Under-voltage warnings
Replies: 209
Views: 336067

Re: Under-voltage warnings

if it is displaying undervoltage then it is not getting 5V
by RaTTuS
Tue Sep 03, 2019 11:20 am
Forum: Networking and servers
Topic: Can not copy without a password from a PI zero to a Pi3 through network.
Replies: 4
Views: 237

Re: Can not copy without a password from a PI zero to a Pi3 through network.

I've not read all this ^ however what you do is on Pi do ssh-keygen -t rsa ssh-copy-id user@remote.machine ssh user@remote.machine #'to test to copy scp file user@remote.machine:/path/to/wherever #[or just .] if the same user on both machines then scp file.name remote.machine:/path/to/wherever and i...
by RaTTuS
Mon Sep 02, 2019 4:16 pm
Forum: Raspbian
Topic: Is the B+ too old for Raspian?
Replies: 12
Views: 546

Re: Is the B+ too old for Raspian?

another buster vote for my original pi lsb_release -a ; cat /proc/cpuinfo No LSB modules are available. Distributor ID: Raspbian Description: Raspbian GNU/Linux 10 (buster) Release: 10 Codename: buster processor : 0 model name : ARMv6-compatible processor rev 7 (v6l) BogoMIPS : 947.22 Features : hal...
by RaTTuS
Mon Sep 02, 2019 3:31 pm
Forum: Camera board
Topic: Arducam boards not working
Replies: 9
Views: 487

Re: Arducam boards not working

I think you will have to ask the arducam people
by RaTTuS
Mon Sep 02, 2019 2:08 pm
Forum: General discussion
Topic: reset a frozen system remotely
Replies: 14
Views: 499

Re: reset a frozen system remotely

hulu60 wrote:
Mon Sep 02, 2019 2:04 pm
...
But what if I accidentally run "sudo poweroff" remotely ? :D can this timer save me too, or it will turn off too?
no
that will switch it off
remove the power off command [or just dont use it ]
by RaTTuS
Fri Aug 30, 2019 10:59 am
Forum: General discussion
Topic: OBS USB3 video camera anyone running?
Replies: 1
Views: 104

Re: OBS USB3 video camera anyone running?

I'd use a raspberry foundation camera
by RaTTuS
Fri Aug 30, 2019 8:21 am
Forum: Beginners
Topic: What's the best way to track uptime until unexpected shutdown?
Replies: 11
Views: 478

Re: What's the best way to track uptime until unexpected shutdown?

umm it's on my Pi4 buster and I didn't do anything special apart from the install
by RaTTuS
Fri Aug 30, 2019 8:00 am
Forum: Advanced users
Topic: How can i use pci card with raspberry pi?
Replies: 7
Views: 459

Re: How can i use pci card with raspberry pi?

why do you want that card ?
the raspberry 4 has a nice NIC
if you want more NIC then use a USB 3 to Ethernet adaptor
by RaTTuS
Fri Aug 30, 2019 7:48 am
Forum: Troubleshooting
Topic: the 5W - 6W raspberry
Replies: 16
Views: 919

Re: the 5W - 6W raspberry

Code: Select all

vcgencmd measure_temp
will say how hot
and

Code: Select all

top
by RaTTuS
Fri Aug 30, 2019 7:44 am
Forum: Beginners
Topic: What's the best way to track uptime until unexpected shutdown?
Replies: 11
Views: 478

Re: What's the best way to track uptime until unexpected shutdown?

sudo apt install uptimed

uprecords
by RaTTuS
Thu Aug 29, 2019 10:46 am
Forum: Beginners
Topic: How to use RSP in company
Replies: 25
Views: 1145

Re: How to use RSP in company

I use a RPi version 1 to monitor perforce servers ?
by RaTTuS
Wed Aug 28, 2019 3:33 pm
Forum: General discussion
Topic: Max USB Drives
Replies: 14
Views: 575

Re: Max USB Drives

Understood and I agree. Not pushing the limits. I plan to have no more then (10) HDD's and (2) USB-7port Hubs = 12 connected devices. I should be OK..... theoretically!! :shock: 10 HD, your pushing a lot of things here you can get 14TB Drives , or 10TB or even 4TB - 6x 4TB is plenty for anything .....

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