stretto

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  1. Hi guys, I've been busting my head for days now trying to find a way how to permanently change MAC address on my ehternet on Opi Win Plus boards but nothing yielded positive outcome. The reason I need to permanently change MAC address is because I'll be running 6 of these boards on the same network and since all of them have identical MAC it's impossible for my router to manage them properly. I'm running Ubuntu_xenial_default_3.10.107_server with legacy kernel. I've tried changing the /etc/network/interfaces file by adding hwaddress ether xx:xx:xx:xx:xx:xx , changing from static to dhcp and doing all sorts of combinations in hopes that something will work. After every change I was restarting the board and the router so they would force new changes. Nothing. I've also tried changing it with macchanger but that didn't do the trick as well. One thing is not clear to me though - should there be any files in /etc/network/interfaces.d/ since at the beginning of my interfaces file it says source /etc/network/interfaces.d/* which led me thinking that this file is trying to call other files from that folder. Is this true? And than I've stumbled upon several posts saying that MAC addresses are somehow hard coded into the system and that one of the potential solutions would be to decompile dtb files, changing it there and compiling it back. These are the forum topics I've found: https://forum.pine64.org/showthread.php?tid=2078&pid=19149#pid19149 https://forum.armbian.com/topic/4059-orangepi-one-mac-address/?tab=comments#comment-29767 https://forum.armbian.com/topic/3419-mac-address-assignment-on-orange-zero/?tab=comments#comment-27200 https://forum.armbian.com/topic/1738-opi-lite-mac-address/?tab=comments#comment-15574 Can anybody help me out with these steps? I really don't know where to even start looking for these files which need to be decompiled and changed.
  2. Nobody have any idea how to solve this issue?
  3. Hello, I've flashed my SD card with Armbian_5.41_Orangepiwin_Ubuntu_xenial_default_3.10.107_desktop and after booting the system everything works like a charm except my sound which I've tried to get through the 3.5mm jack. I've done upgrade && update but that doesn't seem to help. I've tried several headphones and speakers and none of them worked. On top of that I've tried flashing this image file on one other microSD card and I've tried running it on another Opi Win Plus board since I have several of them lying around my house. Regarding my power supply, it's 5V 3A which I've read is the appropriate one. I'm fairly new to Linux with really limited knowledge of how everything works here, so I would really appreciate some help in solving this issue. Also, if it gives you any clues what could be the cause of problem, when playing videos on YT on Chromium all of them seem to lag a lot. They just don't have that fluidness you need to watch any video. On Firefox is a different story - videos play ok there but there is still no sound there either. When I type aplay -l I get this **** List of PLAYBACK Hardware Devices **** card 0: sndhdmi [sndhdmi], device 0: SUNXI-HDMIAUDIO sndhdmi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 and aplay -L gives me this output null Discard all samples (playback) or generate zero samples (capture) pulse PulseAudio Sound Server default Playback/recording through the PulseAudio sound server sysdefault:CARD=sndhdmi sndhdmi, Default Audio Device dmix:CARD=sndhdmi,DEV=0 sndhdmi, Direct sample mixing device dsnoop:CARD=sndhdmi,DEV=0 sndhdmi, Direct sample snooping device hw:CARD=sndhdmi,DEV=0 sndhdmi, Direct hardware device without any conversions plughw:CARD=sndhdmi,DEV=0 sndhdmi, Hardware device with all software conversions Help, please!