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m01

131 karma · joined March 3, 2019

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m01··on Raspberry Pi Pico and RP2040 Microcontroller
The accompanying blog post [1] mentions the Arduino Nano RP2040 Connect [2], which includes "a highly efficient power section, a powerful WiFi/Bluetooth module, and the ECC608 crypto chip, enabling anybody to create secure IoT applications with this new microcontroller". It also looks quite small.

[1] https://www.raspberrypi.org/blog/raspberry-pi-silicon-pico-n... [2] https://blog.arduino.cc/2021/01/20/welcome-raspberry-pi-to-t...

m01··on Why can’t you buy a good webcam?
Don't the Logitech Brio Ultra HD pro or Streamcams (if 1080p is enough) roughly tick the boxes the author wanted? Am I missing something?
m01··on Why can’t you buy a good webcam?
I wonder if there are regulatory reasons that prevent IEC connectors being used in e.g. washing machines. I guess getting a water ingress protection IP rating might be harder if you have an IEC connector. The lack of an IP rating might prevent you from then installing the appliance in, say, a bathroom (depends presumably on country-specific regulation). This in turn might limit your sales.

Even if that's the case, the appliances should be easy to repair for a competent person and if necessary allow the cable be replaced.

m01··on TP-Link Archer VR1600V V2 Super User Password Cracked
The way the Zyxel box is configured in modem mode on A&A results in it not having a globally routable IP address, since your router gets it instead. I expect this is a common way to setup modem mode, and it feels like the "correct default" way to do it.

This makes basic connectivity between the Zyxel box acting as a modem and the TR069 server challenging, though perhaps not impossible (you could, say, allocate a small IPv6 prefix to the modem, but I'm not sure if A&A's TR069 servers work over an IPv6 only connection).

m01··on Pocketbook Colour – E-reader with colour screen
Seems 2020 might finally bring colour e-readers [1], something I've certainly been waiting for.

This specific one appears to be delayed until end of July [2].

[1] https://goodereader.com/blog/electronic-readers/these-are-al...

[2] https://goodereader.com/blog/electronic-readers/pocketbook-c...

m01··on DIY Video Hosting
icecast has been around for a long time, would that serve your needs?
m01··on Strange public IPv4 address assigned behind NAT (2019)
I suspect major cloud providers may well end up buying the address space if it were to become available, so quite a few companies' services may not be reachable.
m01··on Ask HN: What's the worst piece of software you use everyday?
Re: GRUB: Have you looked at rEFInd, assuming you can use UEFI? http://www.rodsbooks.com/refind has a screenshot and docs, although you may also wish to refer to your distro's docs (e.g. https://wiki.archlinux.org/index.php/REFInd)
m01··on Cloudflare TV
I was hoping for a live streaming system involving Multicast.

Cloudflare seems like the sort of company that could pull that off. Netflix is another, if they did live video.

m01··on Show HN: r/hnblogs, Blogging is not Dead
I feel that if in general you want the authors to engage, I would ask the audience to post the comments on the author's blog (for those blogs that support comments).

In this specific case it's a bit trickier because you want authors to post their content, and this may or may not be in line with your goal, depending on whether you e.g. prioritise build another community (social network?) of people interested in blogging or reducing reliance on <big centralised websites>.

I would prefer reducing the comment fragmentation in this kind of a context.

m01··on DirectX is coming to the Windows Subsystem for Linux
Dell have developer edition laptops that come with Ubuntu preinstalled and I saw a link on HN not long ago about Fedora coming to Lenovo laptops (I think it was https://fedoramagazine.org/coming-soon-fedora-on-lenovo-lapt...). I've not used them myself but I'd hope the situation isn't as dire as you describe, at least for those selected models.
m01··on DirectX is coming to the Windows Subsystem for Linux
> In theory it ought to be possible to switch a single GPU to/from a VM without a reboot. In practice I have no idea how huge a refactoring to the Linux graphics stack that'd require.

I've got this working today. I do it through swapping the nvidia driver for the vfio-pci driver (and back again if required). The slight annoyance is that you may need to restart X11 (for me this is not an issue).

I wrote about this some years ago: https://me.m01.eu/blog/2016/05/pci-passthrough-vm-monitor-se...

m01··on Ask HN: Is your company sticking to on-premise servers? Why?
How do you do kernel updates without a reboot?

I've looked several times and found different technologies over time (kexec, (Oracle's) ksplice, kGraft, kpatch, livepatch). They do appear to have some use-cases, e.g. delaying the need for a reboot by being able to install a critical vulnerability fix/workaround so that the reboot can be done at a more convenient time. Because many of the patch mechanisms are function-based, they don't appear to solve the general problem in such a way that reboots can be avoided all together for arbitrary large kernel changes. From my reading of the solutions none are at the level of unattended upgrades using apt/yum-cron or similar in a way that "most" can benefit from them without worrying too much about it (ksplice might do it, but not sure how much you need to pay for it for server use and therefore how accessible it is). kexec helps with skipping the bootloader/BIOS, but I'm not sure if it ends up restaring all the systemd services or going up/down the runlevels, some places suggest it reduces downtime but doesn't eliminate it. I've not experimented with any of these myself yet... so I'd be happy to be proven wrong and in any case learn more!

References:

- http://jensd.be/651/linux/linux-live-kernel-patching-with-kp...

- https://linux-audit.com/livepatch-linux-kernel-updates-witho...

- https://wiki.archlinux.org/index.php/Kernel_live_patching

- https://wiki.archlinux.org/index.php/Kexec

EDIT: forgot to mention livepatch

m01··on Scaleway C2 and ARM64 instances will reach end-of-life in December 2020
There are some that do Raspberry Pi hosting, like https://www.mythic-beasts.com, but it's the older Pi3s for now and they're not as cheap as e.g. Scaleway. It seems they've at least looked into Pi4s: https://www.mythic-beasts.com/blog/2019/06/22/raspberry-pi-o.... Maybe there are other companies that host other SBCs.
m01··on GitHub is now free for teams
With GitHub (cloud version) specifically it doesn't (currently) work that way, you still need a "normal" GitHub username and password, and you do the organisational SAML login in regular intervals when trying to access that org's resources. I'm not aware of this being a widespread way of doing SAML, but I guess it supports certain use-cases (like keeping a GitHub identity despite switching jobs/OSS projects).

sources:

* https://help.github.com/en/github/setting-up-and-managing-or...

* https://help.github.com/en/github/authenticating-to-github/a...

[edit: formatting]

m01··on Ask HN: What is your blog and why should I read it?
https://me.m01.eu/ (RSS available)

I aim to produce high-quality, mostly long-form and tutorial-style technical blog posts on topics that interest me, e.g.:

- the space between hardware/software: physical OS switcher

- Robotics: ROS2 & Kerbal Space Program

- PCI-passthrough/VFIO/VT-d: notes from challenges I ran into

- Networking: WPA2 Enterprise at home

- home-assistant related stuff: coming soon :)

[edit: formatting]

m01··on What's SAP?
Just curious, what put you off Odoo so much? (I've not used it myself)
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