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Linux swap with dphys-swapfile



 

I am looking for some small #computer, preferable without fans, that is more powerful than the current #RaspberryPi 3 or 4.
I have a #Zotac Mini that runs for years now, so I thought I'd look into these again and found they also have some without fan. Industrial style type computer I would say.

What do you think about this one here:
ZOTAC ZBOX PRO Nano ZP-CI329NANO-BE Barebone Intel Celeron N4100 2 DDR4

I would want to run #linux headless on it and would use it for various of site things.

Link https://www.zotac.com/us/product/mini_pcs/zbox-pro-ci329-nano

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Without knowing what the system should do, and if there is a money limit.
There are interesting 6- and 8-core Arm systems, systems with an additional KI-Processor. There are amd64 based systems that could be interesting.
 
@Fulleren Borg server, some syncthing, encrypted NAS, maybe some other small things.

 

This is just a #RaspberryPi 3B running a #Tor relay. I would say not bad.

Let me know if you have a spare #RPi laying around, I will help you to set it up if you need help.

https://metrics.torproject.org/rs.html#details/A690C6AA8102C027D297AF3401BFE16918CCF7A6
 
I have a tor-proxy for myself running on an RPi3

I have not enough free bandwith to use it as relay :/
 
@dapor2000@pod.dapor.net that is rare to have limited traffic at home.
 
It makes about 60 GB of traffic per day up and down, in total about 120 GB.

 

I wonder if the power over #HDMI is an intended feature for the #RaspberryPi 3? I always wonder why it powers up when I plug in my little emergency screen?

#RPi

 

Seems there is a #raspberrypi update that will stop #ssh, which is bad when you're connected via ssh to do the update. I will never understand how it is possible to release something like this.
The connection got interrupted when the update routine of #Raspbian was asking if I want to keep the old config.

尺ɪㄈҚ doesn't like this.

Stefan Thöni reshared this.

 
OK, after 2 hours the RaspberryPi was reachable again, not sure what was the problem, maybe some other thing during the updates caused the problem.

 

I am looking for an alternative to #RaspberryPi 3B, that has a little more power (2GB Ram and slightly more powerfull CPU), that is well supported by #Linux and runs without a fan and uses some storage as boot device that isn't a flash card. #RPi
 
The raspi 4 has everything 😁
 
Check out the Atomic PI, Rock PI, Upboard, and various other x86_64 solutions. Have an Atomic PI myself.

 

Great, latest #RaspberryPi update got stuck on this:
Setting up raspberrypi-kernel (1.20190819-1) ...
Removing 'diversion of /boot/bcm2708-rpi-b-plus.dtb to /usr/share/rpikernelhack/bcm2708-rpi-b-plus.dtb by rpikernelhack


This mean the Pi won't run anymore when I reboot it I guess. I had a similar problem a while ago, this part of the update process is not well done. :-(
 
by the way, it is the "sync" during the changes that gets stuck, when I quit its parent process I can restart "apt-get install -f" and it hangs again at the sync. So maybe the micro SD, even though I do not use it for anything besides the system, is already dead after less than a year?

 

Is it possible that a newly setup #Raspberrypi will resize the microSD partition automatically with #Buster #Rasbpian, the system is busy and a process with a name like "resize" was running. If so, that is cool.
 
This feature's been around for at least a year IIRC.

 

So why is there no #Raspian or #Ubuntu image for #RaspberryPi that will boot and have ssh running with a preset password? Why did I actually have to buy a monitor just to do the initial setup?
#RasPi #Rpi
 
Afaik you can also take a tv set. But imho you are absolutely right.

 

I want to backup a #RaspberryPi with #Borgbackup, but for some reason the version of #borg is outdated (1.0.9), I can see there is a newer version available for #Raspbian, but I don't know why this does not install with "apt-get install borgbackup".

Here is the repository folder which contains borg backup
https://archive.raspbian.org/raspbian/pool/main/b/borgbackup/

Any ideas what I can do?

#Linux #apt
 
@pinkprius that is a problem I had before too. The update somehow creates links and sometimes fails/gets stuck. Not sure why.

 

200.000 files and 760 GB overall seems to be over the limit which #Syncthing can handle on a #RaspberryPi 3B+. I did not add much data lately, but it crashes all the time and on one device. I know the reason is out of memory.
 
hmm, set memory limit in systemd config file or how did you limit it?
 
@Tobi yes, "MemoryHigh=60%" and "MemoryMax=75%", the Max might not kill it, but 82% for that would be the maximum possible setting due to other memory usage.
Why?
@Tobi

 

Anyone here running #Kodi on #Raspian with a #RaspberryPi 3B? I read that it is much better to use #Xbian instead, but I would also still like to use the Raspberry Pi for #Syncthing and #PiHole and am not sure if #Xbian allows me to install these applications. The alternative is to buy another #Pi for Kodi and let it run with Xbian.
 
I use libreelec on my Pi for KODI
 
there is a syncthing addon for libreelec
https://forum.libreelec.tv/thread/972-syncthing/
never used syncthing with libreelec myself...

 

A harddrive connected to my #RaspberryPi got unavailable for some reason, I suspect a power supply problem, but I want to ensure it is not a software problem that causes the read/write error I get on ls -lah or so.

How can I find out what happened, I have a #Raspian with systemd, so journalctl is the first thing that came to my mind.

#Linux
 
Ja, wenn strom zu hoch, dann ist meist Spannung zu niedrig.
 
Ich schrieb in dem Thread, dass es wohl das Netzteil war.

Hier: https://social.yl.ms/display/e18176ef175bf097dab2fd0993627454

Das eine lieferte laut Angabe 2A, aber das reichte wohl nicht, ich nehme an das beim Netzteil ggf. die Spannung einbrach. Läuft seit dem super zuverlässig und hat ein paar hundert GB Daten übertragen auf die Platte.

 

Läuft eigentlich #Netflix auf dem #RaspberryPi (mit #Kodi) und gibt es vernünftige Möglichkeiten das per Fernbedienung zu steuern?

Macht das jemand?
 
So wie ich das verstanden habe, bekommt das neueste Kodi 18 eine bessere Architektur zur Anbindung für Streamingdienste und Portale. Aber ja das DRM ist wohl auch noch fummelig.
 
Ich habe schon mehrmals probiert Netflix auf meinem Raspi 3B mit libreelec (mit den development Versionen von Kodi 18) zum laufen zu bekommen. Installieren des Addons und Einloggen geht ohne Probleme. Ich bin sogar mal soweit gekommen, dass die Liste der Filme/Serien angezeigt wurde, aber anschauen konnt ich noch nie was. Über das Addon konnte ich alles ganz normal mit der Fernbedienung des Fernsehers bzw. übers Handy mit Kore steueren.

 

#RaspberryPi 125GB to go, #Syncthing schafft gerade nur 2,9 MB/s. 🙁
 
So ein #odroid-xu4 sollte nicht nur ein wenig mehr CPU haben
 
Je nach Typ hat zumindest der Raspberry Pi eine gleiche Taktfrequenz. Beim Odroid sehe ich gerade die Zahl der Kerne nicht.

Siehe hier:
https://de.m.wikipedia.org/wiki/ODROID
Und hier:
https://de.m.wikipedia.org/wiki/Raspberry_Pi

Ich habe einen 3B und einen 3B+, letzterer hat gleiche Frequenz, Benchmarks habe ich jetzt nicht gesucht, wäre aber wahrscheinlich nötig zum Vergleich.

 

Currently transferring 177 GB of small and medium files to an USB HDD connected to a #RaspberryPi via #rsync over WiFi, I see speeds past 11MB/s, lets see when this will finish and what the average speed will have been.
#RPi #Raspberry
 
Ja, dass wird etwas dauern, aber ein Teil der Daten war schon übertragen, wie viel schon drüben war weiß ich nicht.

 

I am not #newhere, but I never did a #neuhier (German for new here) post in the beginning. I love the #Fediverse and run my own small #Friendica server for some time now.

Hope to find some more people interested in #RaspberryPi #Linux #FLOSS #Hacking #34C3 #Tor #powerconverter #eff #sfc #ubuntu.
 
hello welcome
 
Muss auch mal sein, Utzer! Also Herzlich Willkommen!

 

New #RaspberryPi 3B with external HDD 2TB works without USB hub so far, data transfer started, lets see what happens during the 400 GB transfer. #Linux #Raspberry #Pi #Raspian #sync
 
I have a very similar setup. I have a new #RaspberryPi 3B running OpenMediaVault, with two external HDDs. It works quite well, all my machines back up to it. The Rpi's still only have 10/100 Ethernet though, so not as fast as the rest of my gigabit network for data transfer...
This entry was edited (2 years ago)
 
The bottleneck would be the prosessor/USB bus anyway, so it does not matter if you have GBit network on the Pi or not.

I did some pv -tpreb /dev/zero |sudo dd of=/dev/sda1 and it only reached 20MB/s max but went down to about 15MB/s.
 
True, I didn't think about that. After initial large GB transfers like you mentioned, most now are incremental backups and I don't even notice the speed.
 
I don't do real backups but sync data with #Syncthing, very handy tool, it's pretty easy to keep 3 Computer (incl. the Pi) and my mobile in sync. It keeps revisions of files too. But I now set the Pi storage up as a BTRFS partition, so I could do snapshots with that, so just a little command on the Pi each day would keep the current snapshot of the #BTRFS subvolume. I think I will play with that in the future.
Also I can add disks to the Pi BTRFS partition to either enlarge it (Raid0 like) or to get redundancy (Raid1 like).
 
3 hours, 50 GB, less than 200 MB ram in the peak I think, average system load of about 4.2, temperature of the pi is about 76-84°C with a passive cooler on the main chip.

So far this seems to be pretty cool.

 

I have a #RaspberryPi 2 B that I use as a backup drive, I connected a 750GB HDD by USB to it. The drive works, but then sometimes the drive stops. I am not sure what is the problem, if it is a to high power consumption of the USB drive (it happens after some time of increased activity) or if it is a fault of the HDD.

Yesterday I tested it with writing 1GB of data from /dev/urandom to a file on the drive, which was then indexed by my synchronization tool, which then was sending the file to another server. The writing and indexing of the file worked well, but sometime during the reading/sending the file over to the other computer the disk must have been disconnected. On this external disk there is some volumes mounted to different paths of the pi. Three different mount points, two went away, not sure if the third was still readable or writeable.

Any tips on how to localize the problem? I have a Wifi dongle connected to the USB as well, so if the power is not enough I guess it might also disturb the USB wifi, so which logs can tell me if and when the USB devices disconnected?
 
You definitely need to use an externally powered usb hub to connect external HDDs to the Pi. Some say the same for USB sticks. And it is advised to NOT power the pi from the same usb hub. Also, you need to make sure the power supply for the Pi can provide at least 5A (most phone chargers are between 3-5A)
 
Yeah probably, I will try that, but I already had a USB hub and it did not work. About the current from the supply I don't think that is the issue, because the PI can't handle more than two point something Ampere, at least the 2 B version of the PI, with the new PI I think it is not much higher, but the output current per USB connector is higher. We'll see.

 

#RaspberryPi Verwendung beim internen Firmeninfo Terminal.
Cool das sie das so machen, würde ich wahrscheinlich auch mit einem #Raspi lösen.

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