pi-rat

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  1. Hello, is there something like a VirtualBox that can emulate a BP(M1) hardware, that can run Armbian inside? I'm looking for a way to set up a new Armbian system for a BPM1, without having to shut down the running one longer than absolutely necessary. I have done this before with Linux servers: I installed and configured a hole server inside a VirtualBox alongside my normal computer work, then I copied the image to the real disk and swapped the disks, with a downtime of only about 5 minutes. So I was wondering if this was possible with the BananaPi as well.
  2. Well, that little difference between my PC and my BP is nothing I bother about. But I am still very curious about what cuts the download speed to half, when both machines download the same source. It feels as if the download server does not really want to give its data to the BP. ;)
  3. Here are my testing results. 1: "iperf -s" was run on the router: a) from PC to router: root@OpenWrt:~# iperf -B 1.1.1.1 -s ------------------------------------------------------------ Server listening on TCP port 5001 Binding to local address 1.1.1.1 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ [ 4] local 1.1.1.1 port 5001 connected with 1.1.1.2 port 51174 [ ID] Interval Transfer Bandwidth [ 4] 0.0-10.0 sec 1.00 GBytes 859 Mbits/sec b) from BP to router: root@OpenWrt:~# iperf -B 1
  4. I know I can't compare the BP to my PC, and I don't want to. I am just wondering about this great difference when downloading the same file from the same server. As far as I know, downloading does not really require much CPU power, and if you redirect the data stream to /dev/null, it is also independent from any block device. I would understand it, if the difference was marginal or if the file came from two different servers or via two different routers or any thing like that. I agree to you, that most probably the reason for this difference in download speed has to be found outsi
  5. That makes two of us. I was just trying to follow your advice: when I told of the slow download speed and the big difference compared to my PC, you ask me if I had updated the boot loader, and when that did not work, you ask me to run the SSD installation script. So, what are we talking about here?
  6. I am getting the same error saying "Test install failed. Can't change firmware" when I try to upgrade to kernel 5.3.9 and the file /tmp/switch_kernel.log contains just one line: linux-image-current-sunxi=19.11.3 linux-dtb-current-sunxi=19.11.3 linux-u-boot-bananapi-current
  7. I know what this message means. But the system has already been installed to SSD and is running from SSD right now. So, if I understand you correctly, in order to update the boot-loader, I'll have to shut down the system, remove the SSD, boot from SDCard, and then I am to call the command "nand-sata-install" without any SSD attached. Wouldn't that try start the hole set up process again and wouldn't that fail because no SSD has been attached? Also, I don't quite understand, how updating the boot-loader might possible increase the max ethernet speed. This is
  8. The first submenu in "System" is "Freeze".
  9. The only "install" I see in menu "system" is "Install Desktop". If I select that one, it starts to install the full desktop package.
  10. This is strange. Even if redirect the download to the great void with "wget ... -O /dev/null", making sure that no disk is used, the download speed does not exceed 4MB/s, while my PC downloads exactly the same file with 15MB/s. I tried changing the cables, I tried changing IP, I tried changing the router, but all to no avail. I have no explanation for this behaviour.
  11. Please don't get mad at me, but that's what I don't understand: before the switch the system was running on kernel 4.19.62-sunxi After the switch it is now running on kernel 4.19.84-sunxi To me, this is the same kernel branch: 4.19.x. If it was kernel 4.20.x now, or even kernel 5.x, I would totally understand it, but the way it looks to me, it doesn't make sense to me, that armbian-config switches the kernel to a different branch with the same kernel version,while apt-upgrade doesn't.
  12. Hello, What kind of speed can I expect from the ethernet on the BPM1? It's told to be 1Gb/s, but I am not even getting near that speed: wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.5.tar.xz ... linux-5.4.5.tar.xz 100%[==============================================================================================>] 104,37M 4,43MB/s in 24s 2019-12-18 22:38:33 (4,35 MB/s) - »linux-5.4.5.tar.xz« gespeichert [109435988/109435988] BPM1 and the router are set to 1000Mb/s, and the download line works at more then 100Mb/s.
  13. Thank you! Could you explain what is the difference between this way of updating the kernel and the usual "apt uprade"? Do I always need to use "armbian-config" instead?
  14. Done: root@pi:~/tmp# uname -a Linux pi 4.19.84-sunxi #19.11.3 SMP Mon Nov 18 18:39:42 CET 2019 armv7l GNU/Linux root@pi:~/tmp# iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2 Iozone: Performance Test of File I/O Version $Revision: 3.429 $ Compiled for 32 bit mode. Build: linux Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins Al Slater, Scott Rhine, Mike Wisner, Ken Goss Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR