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Xubuntu 18.04: Temporary failure in name resolution

[PROBLEM] It's annoying :? I have a proper DNS/DHCP set up at home (on Raspbian :D) and would have proper name resolution, but due to the recent introduction of dnsmasq or systemd-resolvd, I'm having name resolving issues all the time. Since 18.04, I always have "127.0.0.53" as DNS IP in ...
by ^rooker
Fri Feb 22, 2019 1:58 am
 
Forum: Knowledge Base
Topic: Xubuntu 18.04: Temporary failure in name resolution
Replies: 0
Views: 1225

SSH/sFTP login fails:

[PROBLEM] I've created a new system user to login per sFTP (over SSH). As per usual. However, I just couldn't login as that user. Thunar said "Connection failed." - no additional information. When I've checked the logfile "/var/log/auth.log" on the SSH server, I found the follow...
by ^rooker
Mon Feb 11, 2019 12:21 am
 
Forum: Knowledge Base
Topic: SSH/sFTP login fails:
Replies: 0
Views: 1081

Doesn't work with v0.10.x

I've tried it with LIRC v0.10.x: Still does NOT work :cry: The retry logic behaves better now, but it can't find patterns of any remote... I've now used the same IR receiver chip (TSOP4838) on a Raspberry Pi (1 model B) - and reading and using the same remotes work fine there. So I assume that this ...
by ^rooker
Fri Feb 08, 2019 4:49 pm
 
Forum: Knowledge Base
Topic: LIRC & FTDI: irrecord error "Something went wrong."
Replies: 1
Views: 1312

Re: LIRC, RPi & Stretch: No output with "irw"

This information here is optional, but maybe useful for someone with the same problem to find this solution: I've noticed that the 2nd column changes for all keys, when a single key is added/changed if updating the file using "irrecord -u". If found that very irritating (before I found out...
by ^rooker
Thu Jan 31, 2019 9:07 pm
 
Forum: Knowledge Base
Topic: LIRC, RPi & Stretch: No output with "irw"
Replies: 1
Views: 2882

LIRC, RPi & Stretch: No output with "irw"

[PROBLEM] After somewhat temporarily giving up on LIRC-over-FTDI, I've now attached a TSOP4838 to a Raspberry Pi (Rev 2 Model B) I still had around. Running on Raspbian Stretch (9.1). With LIRC being: v0.9.4c-9 (highest available in Raspbian repos. Latest upstream is v0.10.1) So far so good: :D &sd...
by ^rooker
Thu Jan 31, 2019 8:47 pm
 
Forum: Knowledge Base
Topic: LIRC, RPi & Stretch: No output with "irw"
Replies: 1
Views: 2882

HowTo force thunar to create image thumbnails

Sometimes, Thunar (XFCE's file manager) is just not creating thumbnails for images in a folder. If that happens, the following usually does the trick: ⋅ Quit all Thunar instances: $ killall Thunar ⋅ Quit the thumbnailing daemon " tumbler ": $ killall tumblerd If you the...
by ^rooker
Wed Jan 30, 2019 5:20 pm
 
Forum: HowTo's
Topic: HowTo force thunar to create image thumbnails
Replies: 0
Views: 1033

LIRC & FTDI: irrecord error "Something went wrong."

Disclaimer: NOT SOLVED YET! [PROBLEM] Trying to set up an FTDI based (FT232RL) USB-to-UART adapter with a TSOP 4838 as infrared remote control receiver with LIRC. (Xubuntu 16.04, LIRC v0.9) The 4838 is talking to me, receiving IR signals, and LIRC's "mode2" shows reasonable output. But wh...
by ^rooker
Tue Jan 29, 2019 2:10 am
 
Forum: Knowledge Base
Topic: LIRC & FTDI: irrecord error "Something went wrong."
Replies: 1
Views: 1312

HowTo find serialnumber of FTDI USB chip

When dealing with FTDI USB-to-UART devices, you might need to address them by their serial number. Here's how you find that number: 1) Attach the device to your PC Best to connect one at a time. Otherwise, how would you know which serial belongs to which adapter? 2) Approach A: Using "dmesg&quo...
by ^rooker
Tue Jan 29, 2019 1:38 am
 
Forum: HowTo's
Topic: HowTo find serialnumber of FTDI USB chip
Replies: 0
Views: 852

LIRC & FTDI: ttyUSB disappearing

[PROBLEM] Trying to set up an FTDI based (FT232RL) USB-to-UART adapter with a TSOP 4838 as infrared remote control receiver with LIRC. (Xubuntu 16.04, LIRC v0.9) The 4838 is talking to me, receiving IR signals, and LIRC's "mode2" shows reasonable output. But after I use irrecord, the seri...
by ^rooker
Tue Jan 29, 2019 1:05 am
 
Forum: Knowledge Base
Topic: LIRC & FTDI: ttyUSB disappearing
Replies: 0
Views: 1039

mode2: unable to open FTDI device

If you get the following error message when trying to connect mode2 to the USB/FTDI device (by serial number): mode2: unable to open FTDI device ( device not found ) This means the serial number is wrong. Check for typos or copy/paste errors. btw: The serial number is case sensitive. If you get the ...
by ^rooker
Fri Jan 25, 2019 2:14 am
 
Forum: Knowledge Base
Topic: LIRC mode2: device configuration option must contain an '='
Replies: 1
Views: 1318

HowTo get some output of "cat /dev/ttyUSB0" (from IR remote)

Playing around with a TSOP1738 directly connected to an FTDI USB adapter (FT232RL). When I hit buttons on the remote, I see the RXD led flash, but "cat /dev/ttyUSB0" shows nothing. Thanks to a post on stackexchange , here's a command that will give you at least "something" when y...
by ^rooker
Fri Jan 25, 2019 2:01 am
 
Forum: HowTo's
Topic: HowTo get some output of "cat /dev/ttyUSB0" (from IR remote)
Replies: 0
Views: 836

LIRC mode2: device configuration option must contain an '='

[PROBLEM] Trying to setup an infrared remote receiver with LIRC, using an FTDI (FT232RL) USB adapter. Initial test throws a weird error message: mode2 --driver ftdi --device /dev/ttyUSB0 mode2: Initializing FTDI: /dev/ttyUSB0 mode2: device configuration option must contain an '=': '/dev/ttyUSB0' Hm...
by ^rooker
Fri Jan 25, 2019 1:42 am
 
Forum: Knowledge Base
Topic: LIRC mode2: device configuration option must contain an '='
Replies: 1
Views: 1318

Ubuntu & Thunderbird 60.2.1 update: Calendar gone!

[PROBLEM] On Xubuntu 16.04.1, I've updated from Thunderbird 57 (or so) to 60.2.1. In about 15 years of heavy Thunderbird usage, I've never had a problem with an update. Except for now: My calendar (Lightning) was gone/disabled - because it's incompatible with Thunderbird >60. And the addons didn't ...
by ^rooker
Sat Jan 12, 2019 1:44 am
 
Forum: Knowledge Base
Topic: Ubuntu & Thunderbird 60.2.1 update: Calendar gone!
Replies: 0
Views: 1120

Partial read 8 bytes on /dev/lirc0

[PROBLEM] After loading the lirc_rpi kernel module, the next step is to check if IR-remote signals can be "seen": $ mode2 -d /dev/lirc0 Yet, connecting the power of the TSOP1738 to 3.3V returned nothing, but this: Using driver devinput on device /dev/lirc0 Trying device: /dev/lirc0 Using ...
by ^rooker
Sun Jan 06, 2019 4:54 pm
 
Forum: Knowledge Base
Topic: TSOP1738 on Raspberry Pi: No such device
Replies: 1
Views: 1308

TSOP1738 on Raspberry Pi: No such device

WARNING: Haven't managed to use the TSOP1738 on RPi's GPIO pins, due to noise-interference. Maybe some resistor/capacitor as filter might help. This thread might contain hints in the right direction: "IR Receiver - gives out data only while disconnecting/connecting it to ground" ? [PROBLEM...
by ^rooker
Sun Jan 06, 2019 4:16 pm
 
Forum: Knowledge Base
Topic: TSOP1738 on Raspberry Pi: No such device
Replies: 1
Views: 1308
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