Search found 1230 matches

by ^rooker
Mon Oct 18, 2021 8:48 pm
Forum: Knowledge Base
Topic: Linux: SD card "error -84 requesting status"
Replies: 0
Views: 122

Linux: SD card "error -84 requesting status"

Inserted an SD card into a notebook (Xubuntu 20.04.3) and nothing happened: Nothing showed up for mounting. "dmesg" shows the following error message: [41117.523403] blk_update_request: I/O error, dev mmcblk0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [41117.523405] Buffer I...
by ^rooker
Mon Oct 04, 2021 10:29 pm
Forum: Knowledge Base
Topic: Xubuntu 20.04: Can't install openssh-server (dependency)
Replies: 1
Views: 774

I know what caused it. I think.

It puzzled me why it appeared on so many different PCs that I've set up from scratch, and noone had noticed on the Internet except for me. That's odd. And unlikely. So I guess the reason is that I always disable all automatic updates as one of the first things when I setup a new machine. I seriously...
by ^rooker
Thu Sep 23, 2021 10:08 pm
Forum: HowTo's
Topic: Renumbering image sequences (PowerShell)
Replies: 1
Views: 420

Re: Renumbering image sequences (.bat)

I found this piece of code in my notes. I don't know if it ever worked though, and it may be a copy/paste from a forum or website: @echo off echo. setlocal set N=0 set FILENAME=baseFileName.%N%.tif :loop set /a N+=1 set FILENAME=baseFileName.%N%.tif if exist %FILENAME% goto :loop echo You can safely...
by ^rooker
Thu Sep 16, 2021 6:13 pm
Forum: Knowledge Base
Topic: CUPS & HP 1102w: USB reset printer
Replies: 0
Views: 165

CUPS & HP 1102w: USB reset printer

[PROBLEM] I'm using an HP 1102w b/w laser printer for almost 10 years now. It's a great printer! Unfortunately, it suffers from an annoying bug/issue with CUPS: Most of the time, the printer needs to be reset after each print, otherwise it will not spit out any following print jobs. Turning the pri...
by ^rooker
Wed Aug 04, 2021 10:25 am
Forum: Knowledge Base
Topic: Interesting DNS lookups (torrent?)
Replies: 0
Views: 265

Interesting DNS lookups (torrent?)

Interesting: Aug 1 07:06:51 dns_server2 named[2159]: error (unexpected RCODE REFUSED) resolving 'TrAcKeR.publicBt.com/A/IN': 216.239.32.10#53 Aug 1 07:06:51 dns_server2 named[2159]: error (address not available) resolving 'TrAcKeR.publicBt.com/A/IN': 2001:4860:4802:34::a#53 Aug 1 07:06:51 dns_server...
by ^rooker
Mon Apr 19, 2021 12:58 am
Forum: HowTo's
Topic: HowTo: Notes on ZFS configuration backup
Replies: 0
Views: 404

HowTo: Notes on ZFS configuration backup

Shellscript sketchpad for documenting the configuration of a ZFS storage constellation: #!/bin/bash TIMESTAMP="$(date +%Y%m%d-%H%M )" INFOFILE="zfs-avrd_microcosm-$TIMESTAMP.info" function run_cmd { CMD="$1" echo "$CMD" eval "$CMD" | tee -a $INFOFILE...
by ^rooker
Sun Apr 11, 2021 1:01 am
Forum: Knowledge Base
Topic: Virtualbox (Xubuntu): Very slow network transfer between VMs
Replies: 0
Views: 429

Virtualbox (Xubuntu): Very slow network transfer between VMs

[PROBLEM] Setup was (on Xubuntu 18.04): * VM client 1 (Debian9) * VM client 2 (Debian10) Transferring files using rsync-over-ssh was slowly crawling around 300-600 KB/s. :? [SOLUTION] The Debian9 VM client had an "Intel PRO/1000" adapter assigned, whereas the Debian10 VM was using "v...
by ^rooker
Fri Feb 05, 2021 2:16 am
Forum: Knowledge Base
Topic: Lenovo S21e: How to enter the BIOS
Replies: 1
Views: 9054

Lenovo S21e: How to boot Linux from USB

The s21e drives me crazy. We've had a lot of fun together, but now I finally write down how to make it boot a Linux installer from a USB stick. First of all: By default it's "Fn + F2", but I immediately disable the Fn-Default back to normal F-Keys. If go set "Configuration > HotKey Mo...
by ^rooker
Fri Feb 05, 2021 1:42 am
Forum: Quotes
Topic: Heinzelmännchenkinderschallplatte - Wann? Menschen.
Replies: 0
Views: 571

Heinzelmännchenkinderschallplatte - Wann? Menschen.

Von einer unbekannten alten Kinderschallplatte mit Heinzelmännchenliedern darauf. Das ist der Text eines davon. Ich konnte leider noch nicht herausfinden von wem dieses wunderschöne Lied ist: Wann werden die Menschen? Wann werden die Menschen endlich klug? Ja, wann werden sie lernen, dass das Gerede...
by ^rooker
Thu Feb 04, 2021 10:29 pm
Forum: Quotes
Topic: Nerd joke #1337: Bash basics.
Replies: 0
Views: 517

Nerd joke #1337: Bash basics.

Hashcode validation of ISO disk images in the archive:

Most end users:
select, right-click, select, wait, done.
Hacker:
"Eh. That's exactly what I proposed:"

Code: Select all

for i in *.iso; do md5sum -c $i.md5; done
"I don't get why yours should be better.\n"
by ^rooker
Tue Jan 19, 2021 8:18 pm
Forum: HowTo's
Topic: Cat7 Dosen aufpatchen
Replies: 0
Views: 576

Cat7 Dosen aufpatchen

1) Ablängen * Maß anlegen (zB Kabel ab Zugentlastung "_---_" bis kurz nach den Klemmen-Ende. ca. 6 cm?) * Stift: Abschnittposition markieren * Abisolieren 2) Schirm * nach hinten * zamdröseln * auf ca. 1,5cm kürzen 3) Mit Zugentlastung verbinden 4) Zugentlastung festschrauben 5) Ader-Paare...
by ^rooker
Sun Jan 17, 2021 5:50 pm
Forum: Knowledge Base
Topic: Xubuntu 20.04: Can't install openssh-server (dependency)
Replies: 1
Views: 774

Xubuntu 20.04: Can't install openssh-server (dependency)

[PROBLEM] On a fresh install of Xubuntu 20.04.1, I can't install openssh-server :? The following packages have unmet dependencies: openssh-server : Depends: openssh-client (= 1:8.2p1-4) Depends: openssh-sftp-server Recommends: ssh-import-id but it is not going to be installed E: Unable to correct p...
by ^rooker
Sun Jan 17, 2021 5:20 pm
Forum: Knowledge Base
Topic: Grub2 error: "can't find command hwmatch"
Replies: 0
Views: 740

Grub2 error: "can't find command hwmatch"

[PROBLEM] Fresh install of Xubuntu 20.04.1 (on a HP Probook 430 G6), I shortly see the following error message flashing before grub's loading: error: can't find command hwmatch The system boots fine, but this error wasn't shown running Xubuntu 18.04 on that notebook. Also I like having no errors/wa...
by ^rooker
Sat Jan 16, 2021 6:15 pm
Forum: HowTo's
Topic: Simple intercom circuit for old analog phones
Replies: 0
Views: 602

Simple intercom circuit for old analog phones

This is just a quick rip-off (so I don't lose this information) from a [url="https://www.epanorama.net/documents/telecom/telephone_intercom.html]document at "ePanorama.net": "Use old phones as an intercom (Markus Wandel, 1990s)"[/url] Very simple intercom circuit Get two pho...
by ^rooker
Sat Jan 16, 2021 5:34 pm
Forum: Quotes
Topic: Random quotes
Replies: 4
Views: 7667

Speaker impedance explanation rocks!

Impedance is like great rock 'n' roll.
Understanding everything about it is complicated,
but you don't need to understand everything to "get" it.
Source: What Speaker Impedance Means and Why It Matters: Lower impedance is the norm in high-quality audio equipment (by Brent Butterworth)