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by esbeeb
Tue May 19, 2020 7:20 am
Forum: Ubuntu
Topic: Mattermost Team Server 5.23 is installable, and performs well in Ubuntu 18.04.4/20.04 64bit
Replies: 6
Views: 1551

Instructions updated to Mattermost Team Server 5.23

A worse-than-normal security vulnerability in Mattermost was announced on May 15, 2020, here:
https://mattermost.com/security-updates/

:o

For those who need to upgrade from a version older than 5.23, here is how to do that:
https://docs.mattermost.com/administration/upgrade.html
by esbeeb
Fri May 01, 2020 8:38 am
Forum: Ubuntu
Topic: Ubuntu 20.04 (Focal Fossa)
Replies: 41
Views: 3270

Ubuntu 20.04 64bit server, wifi needs network-manager, nmcli cmd

I finally got 2.4GHZ-only wifi working from the CLI (no desktop environment). Please see here:
https://ubuntuforums.org/showthread.php ... st13952620
by esbeeb
Wed Apr 29, 2020 2:08 am
Forum: Ubuntu
Topic: Mattermost Team Server 5.23 is installable, and performs well in Ubuntu 18.04.4/20.04 64bit
Replies: 6
Views: 1551

Re: Mattermost Team Server 5.23 is installable, and performs well in Ubuntu 18.04.4/20.04 64bit

Now that Ubuntu 20.04 is out for the Raspberry Pi, I tried a fresh install. Yes, it worked! So I updated the instructions above for 20.04.
by esbeeb
Sun Apr 26, 2020 10:15 am
Forum: General discussion
Topic: Disappointment: why Raspberry Pi 4 was made exclusively for the "Linux Market"?
Replies: 97
Views: 5064

Gratitude: that Raspberry Pi 4 has such a great Operating System, that is almost totally Open Source, and is UNIX-like

I, for one, am grateful that a consensus (more or less) built up around my long-time (23 years) favorite Open Source Operating System: Debian (which begat Raspbian), for use on the Raspberry Pi. I'm grateful that this consensus didn't built up around, say, a Redhat-like distro, nor an Arch-like dis...
by esbeeb
Fri Apr 24, 2020 10:26 am
Forum: Ubuntu
Topic: Ubuntu 20.04 (Focal Fossa)
Replies: 41
Views: 3270

Re: netplan is a piece of rubbish, on Ubuntu 20.04 (Focal Fossa)

Would you like to see the error message? Sorry, I can't provide it. Why? Because the RPi4 has no network connectivity. Here's further why I think netplan is a piece of rubbish. It fools you into believing it has automagical powers to make everything gracefully adapt, even when common problems arise...
by esbeeb
Fri Apr 24, 2020 4:48 am
Forum: Ubuntu
Topic: Ubuntu 20.04 (Focal Fossa)
Replies: 41
Views: 3270

netplan is a piece of rubbish, on Ubuntu 20.04 (Focal Fossa)

tested still useless to me, can't get the wifi working. :lol: 20-wifi.yaml network: version: 2 renderer: networkd wifis: wlan0: dhcp4: true optional: true access-points: "SSID": password: "password" Sorry, that doesn't work for me. Even when I try to run "sudo netplan --debug try" afterwards. After...
by esbeeb
Fri Apr 24, 2020 2:31 am
Forum: Ubuntu
Topic: Ubuntu 20.04 (Focal Fossa)
Replies: 41
Views: 3270

Re: Ubuntu 20.04 (Focal Fossa)

is that "renderer: networkd" needed now? it's not in the how to. everything else is pretty much what i got. i removed the "dhcp4: true" cause it just kept throwing errors in "sudo netplan --debug try" @kerry_s, your wording is a bit unclear. Am I correct that your wifi still won't work , even with ...
by esbeeb
Thu Apr 23, 2020 1:04 pm
Forum: Ubuntu
Topic: Ubuntu 20.04 Install Fail
Replies: 23
Views: 5191

Re: Ubuntu 20.04 Install Fail

while your at it, a simple way to get wifi would be great. +1. :? No easy wifi makes Ubuntu a deal-breaker in my Pi 4 for me too. It's deceptively difficult to enable wifi. Ubuntu's "netplan" doesn't seem to work properly. I've wasted about 4 hours trying to fight with netplan (this is on Ubuntu AR...
by esbeeb
Wed Apr 15, 2020 11:17 pm
Forum: Ubuntu
Topic: Mattermost Team Server 5.23 is installable, and performs well in Ubuntu 18.04.4/20.04 64bit
Replies: 6
Views: 1551

How trustworthy are the unofficial "SmartHoneyBee" builds of Mattermost?

For those who might be hesitant to install an unofficial build of Mattermost, I asked the current Build maintainer of Mattermost, named Harrison Healy (in the "Mattermost Community Contributors" Mattermost instance): I have a question for the build maintainers of Mattermost. I'm the person who wrote...
by esbeeb
Mon Apr 13, 2020 12:43 am
Forum: Raspberry Pi OS
Topic: Video DownloadHelper Companion App for Firefox on Raspbian
Replies: 3
Views: 334

Re: Video DownloadHelper Companion App for Firefox on Raspbian

youtube-dl is a command-line app which has always worked well for me. I would even say that's the go-to choice in the linux world, as they have a reputation of keeping their tool very up-to-date with the changes which Google makes to Youtube, which periodically break compatibility. This long-standin...
by esbeeb
Mon Apr 13, 2020 12:31 am
Forum: General discussion
Topic: Best OS for raspberry pi as a everyday desktop?
Replies: 26
Views: 9467

Raspbian, hands down

You will probably wind up with Raspbian Agreed. I feel this is the most spit-polished option at present, where the hardware all works well (as is expected by the vast majority of daily use cases), and bugs seem to very rarely occur. Huge kudos to the Raspberry Pi foundation, and countless volunteer...
by esbeeb
Mon Apr 13, 2020 12:20 am
Forum: General discussion
Topic: Connecting RPi 4 to FritzBox router via ethernet doesn't work
Replies: 11
Views: 1169

Here are a couple of good GbE dongles I've had good success with...

I agree that Fritzboxes can be very fussy about not only the Ethernet networking chips, but even which OS, and particular driver , was using said hardware. Something a bit similar to your problem happened to me on a different model of Fritzbox, also up to date in its firmware. I couldn't get a DHCP ...
by esbeeb
Sun Apr 12, 2020 11:17 pm
Forum: General discussion
Topic: Running Zoom video conferencing client on the Pi
Replies: 73
Views: 43064

Suggestion: try it with a 64bit OS like Ubuntu

I had a strange, show-stopping performance problem on an RPi4 in the last couple of weeks, and my solution ended up being unintuitive: to use 64bit Ubuntu, not 32bit Raspbian. It made a night and day difference. Not just a small improvement. Why not try it in Ubuntu? This issue might be a 32bit/64bi...
by esbeeb
Sun Apr 12, 2020 11:43 am
Forum: Troubleshooting
Topic: How to watch a stream in SRT protocol with Pi4
Replies: 7
Views: 1513

Re: How to watch a stream in SRT protocol with Pi4

VLC won't support opening Network URLs with "srt://" at the start until version 4 comes out. There are nightly developmental builds of VLC 4 for AMD64 (they come as a snap), but not for ARM. If you'd like to try a VLC 4 nightly build on an AMD64 machine, the command to do that is: sudo snap install ...
by esbeeb
Fri Apr 10, 2020 1:41 am
Forum: Ubuntu
Topic: Mattermost Team Server 5.23 is installable, and performs well in Ubuntu 18.04.4/20.04 64bit
Replies: 6
Views: 1551

New: Mattermost Team Server 5.23 is installable, and performs well in Raspbian w/ 64bit kernel and Mattermost binaries

New development! It's possible to run Mattermost in a performant manner , in Raspbian , if you do 2 things: You have to use the 64-bit kernel You have to use the 64-bit pre-compiled Mattermost binaries Please see here on how to do that. Be warned, you'll end up with a strange mix of 32-bit and 64-bi...
by esbeeb
Sun Apr 05, 2020 12:39 pm
Forum: Ubuntu
Topic: Mattermost Team Server 5.23 is installable, and performs well in Ubuntu 18.04.4/20.04 64bit
Replies: 6
Views: 1551

Once you've got it working, back it up!

I've posted a couple of further RPi server maintenance tips (to back up the installation, and choose a long-lasting MicroSD card) here.
by esbeeb
Sat Apr 04, 2020 9:01 am
Forum: Graphics programming
Topic: Pi4: hardware accelerated image resizing, with Golang bindings?
Replies: 2
Views: 395

Re: Pi4: hardware accelerated image resizing, with Golang bindings?

Thanks for that great tip. It gave me pause, thinking, yeah, I must be barking up the wrong tree here. I re-tried my Mattermost install on Ubuntu 19.10 64bit, not Raspbian 32bit. That made all the difference in the world! Mattermost is very decently performant now! No code changes needed. More detai...
by esbeeb
Wed Apr 01, 2020 1:49 pm
Forum: Graphics programming
Topic: Pi4: hardware accelerated image resizing, with Golang bindings?
Replies: 2
Views: 395

Pi4: hardware accelerated image resizing, with Golang bindings?

Hello, I've been trying to get the Mattermost Team Server 5.21 working on the Pi4 . This is done on a headless, CLI-only server environment. No X11, no screen, no mouse, no keyboard. Raspbian Buster 32-bit. But when Mattermost users upload images into Mattermost server, Mattermost ( written in Golan...
by esbeeb
Wed Apr 01, 2020 2:07 am
Forum: Ubuntu
Topic: Mattermost Team Server 5.23 is installable, and performs well in Ubuntu 18.04.4/20.04 64bit
Replies: 6
Views: 1551

Ubuntu 18.04.4/20.04 64-bit install instructions for Mattermost 5.23

Here are the Ubuntu 64-bit installation instructions I followed. Note: These instructions used, as their basis, Justine Geffen's Raspbian Jesse "recipe" . Once again, use Ubuntu 64-bit 18.04.4, or 20.04!! The performance is night and day faster!! =================== The official Mattermost Team ser...
by esbeeb
Tue Mar 31, 2020 10:47 pm
Forum: Networking and servers
Topic: Project for a Beginner
Replies: 7
Views: 458

Re: Project for a Beginner

Syncthing is a much-better choice. A few years ago I started working for a company that had been using syncthing to synchronise large amounts of files across four servers. It couldn't cope with the load. Fair enough. I've found that Syncthing works fine, as long as I took a few precautions with it:...
by esbeeb
Tue Mar 31, 2020 12:38 pm
Forum: Ubuntu
Topic: Mattermost Team Server 5.23 is installable, and performs well in Ubuntu 18.04.4/20.04 64bit
Replies: 6
Views: 1551

Mattermost Team Server 5.23 is installable, and performs well in Ubuntu 18.04.4/20.04 64bit

Working from home, due to COVID-19? Need to come up with new ways to work with your team? Have a spare RPi4 kicking around? This might be just the sort of fun project to do to ward off your cabin fever. I have an RPi 4B, 4GB of RAM. After dozens and dozens of hours of tinkering, I was able to set up...
by esbeeb
Tue Mar 31, 2020 12:18 pm
Forum: Beginners
Topic: Email program for Raspian?
Replies: 4
Views: 402

How about evolution email client?

Evolution might also work well enough on a Raspberry Pi 4, with, say 2+ GB of RAM. Evolution is a little more feature-rich than claws, but not as bloated, as, say, Thunderbird. Evolution might be a good "goldilocks" app (not too lightweight, not too heavyweight), suited for a Raspberry Pi 4's perfor...
by esbeeb
Tue Mar 31, 2020 12:11 pm
Forum: General discussion
Topic: Should you buy an A2 performance rated SD card?
Replies: 31
Views: 5730

Great video comparing MicroSD cards for the RPi4, none are A2

I know that the prevailing go-to MicroSD card tends to be the Sandisk Ultra, however there was a recent video on Explaining Computers, where different MicroSD cards were tested for the RPi4: "Top SBC Micro SD Card (Group Benchmark)" https://youtu.be/YUResed38uo?t=788 Note: The Sandisk Ultra A1 didn'...
by esbeeb
Tue Mar 31, 2020 9:26 am
Forum: Networking and servers
Topic: Project for a Beginner
Replies: 7
Views: 458

SMB is not cloud-friendly. Syncthing and Nextcloud are.

never used OMV, nor will ever use it! Long-time Linux sysadmin here. I've installed and administered several fileservers in the past. I've stood up 2 OMV servers myself, and will never do that again. Here are a few hard lessons I learned about OMV: It claims to have Debian as its base OS, but be wa...
by esbeeb
Tue Mar 31, 2020 6:33 am
Forum: Networking and servers
Topic: Openvpn -> wifi -> lan -> device = connection issues
Replies: 5
Views: 268

Re: Openvpn -> wifi -> lan -> device = connection issues

FYI: Installing Wireguard in Raspbian Buster recently became much easier, please see here:

"Installing Wireguard in Raspbian Buster from new backport":
https://www.raspberrypi.org/forums/view ... 6&t=269480

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