arox

I think that you need to apply pressure in order to provide a good thermal interface. So I wonder if solution provided by third-party without screw or springs can be efficient and evacuate heat by conduction threw the case ?

Why not ? Either the board designer provides (**) an efficient solution as with odroid HC1/HC2, either you have to rely on convection, and then an "open case" with at least ventilation holes. And then an "acrylic sandwitch" that lets see a pretty sbc is as good as a pretty aluminium box. (**) They "rely" on community for software. They cannot also leave power supply, storage and heat dissipation problems on consumer's charge ! N.B. I have tried to enclose a BPIM2+ in an aluminium box without holes, and I can confirm it is a very bad solution for the reasons explained by chwe.

I dont understand what you mean by "old release". It is not just "init.d", but the init program itself, the inittab file, the log system ans all the script in init.d and rcX.d (as well as some other parts) that need to be maintained by the distributor (debian). Anyway, if you just need startup scripts, place them anywhere (for example /usr/local/bin) and call them in "/etc/rc.local" (*). All the "init.d" stuff or systemd services has wery little interest for the end user or administrator of an uniq machine. It is just for the distro maintainer that it is usefull. Whenever you are scripting for just 1 host, dont bother with all that crap ! (*) just make the script executable, and remove the '-e' flag for the shell in /etc/rc.local that some morons may have put there ...

It looks like systemd is more an upstream-upstream-upstream problem ...

Well ... Until now, I always get rid of systemd when I install a distro. You could have a look at : http://without-systemd.org/wiki/index.php/How_to_remove_systemd_from_a_Debian_jessie/sid_installation But you will end up with "upstart". You will have true init.d scripts but some esoteric management tools. I also think systemd and other stupid gnome things have nothing to do on boards which are not powerfull enough to serve as a full desktop system ? (Last in date : accountsservice ?!?)

According to pinout diagram on FA site, it is correct to power it via pin 2 or 4 which are labeled "5V in/out". MINE is powered via the pin next UART0 (next AP6212), which I think is even better (designed to connect the TTL/rs232+power module), allthough there is probably a typo in FA description main page which qualify the pin as "out" )

Did you try to disable link negociation ?

Perhaps you should also focus on the container itself : if it is perfectly thermaly isulated, whatever board you put inside, its temperaure will increase ... infinitely !

Mosquitto is packaged with apt. Why not nodered ? (I am asking myself if I want or need to use nodered and found some pretty long, complicated and boring tutorial ...)

Interesting ! I will have a look at it. But you know, temperature rarely change very much every ten seconds !

750 RPI ! Does it have 750 SD Cards and 750 FAT partition ?!?

Every company/organisation/fundation that become a major actor and try to get some "part of market" have a destructive influence on linux. Its true for the major distributions, and many others. I first bought a Banana PI because the RPF was unable to provide something like a 2D accelerated video driver. I installed armbian because Sonovoip was anable to provide a decent OS. I will never buy a RPI anymore because they designed and avertised a product (RPI zero) they dont want to sell and you cannot acquire. I dont buy "toys". An integration project with a SoC consumes hundreds of hours. I need a whole bunch of cards to deploy the project and get spares. Any company that sell boards on a one per client basis with extravagant shipping fees are morons.

Because Armbian is not a brand or a product but RPI or raspbian are (with all the drawbacks it implies). (And when people who try to impose their solutions on linux will eventually finish it, I will buy a MAC)

Cute ! But I like boards with ap6212 : I want to connect my IoTs in a mesh network (*) with ppp over bluetooth. And optionaly open a fast channel over wifi. (*) Has someone some experience in building a mesh network with ad-hoc wifi and olsrd ?

I just looked how much a BPI zero is sold in France by local reseller : 20E. More than a Nanopi air, an Orangepi zero plus h3, a CHIP. All this boards having internal storage. (Raspberry pi zero is not to be compared : I never could by one !) I am looking for "light" cards for my IoTs (I have trouble with CHIP reliabability). But what could justify such a price ?

Well, last time I installed ubuntu, something also went wrong : bad keyboard configuration. So, how stupid to ask a password when you are nor sure of the keyboard configured and when some obscure mechanisms can change it any time ? I found myself in the same situation as you. Another trick is that the installation procedure ask to enter old password, which is unusual for root password and a source of errors. So if you are not using a qwerty keyboard, you could try to enter what would be your password if your keyboard were qwerty. If you want to reset (suppress) root password (and really understand what I describe here), you can mount the sdcard first partition on another system on /mnt, then edit /mnt/etc/passwd file and remove second field of first line (that is to say leave "root::0:0:root:/root:/bin/bash").

For a long time, I suspected CRON to crash my Bananapi M1. But the fact is that CRON has a lot improved since I changed my PSU ... As a matter of fact, by me the problem is not even the PSU but the contacts in the connectors. (And not only micro-USB).

Can BLE work on a legacy 3.4 kernel (and with bluez 5.37 ?). Does Armbian support ap6212 with mainline kernel for wifi and BT ?

Well, if you can make it work, are ready to pay that much, and need it ... Anyway, it will go to the bin in 2 years because the battery is "Non-removable" !

Well, bad pick, as the OPI Zero has no BT controller ! But if you add a dongle and if your phone can do PAN, you can surely establish a PAN server with bluez on your OPI Zero. (Just install bluez-test-scripts or search for "bt-pan", in order to get a python script that can activate PAN profile in bluetoothd through dbus).

Well I suppose the Nanopi M1 Plus is quite the same with a lower price and better hadware ? But the cam connector is surely different.

Any piece of wire with a quarter of wave length should do the trick for any 2.4 GHz communication (27 millimeters). My BPI M2+ was packaged with one in the cardboard box. I don't have any other ipex antenna to compare with. 1.43 Euro is a bargain in comparison of the price FA or others charges you. But I think the correct price should be 10 cents ... for the connector ! Be warned also that you will have to raise speed in hciattach in order to use a2dp (bluetooth audio profile) without packet drop.

You should have received a piece of wire with a tiny ipex connector with your board. Be warned that without it you cannot use bluetooth or even pair devices.

When you put your controller in scan mode, you should get message of "discovered" hosts. I never checked with (my) BMP M2+, but it should be the same as with nanopi neo air : if you don't connect the piece of wire that serves as aerial for wifi AND bluetooth on the ipex connector, you cannot get a reception at more than 5 centimeters !