Search found 1227 matches

by ^rooker
Thu Sep 16, 2021 6:13 pm
Forum: Knowledge Base
Topic: CUPS & HP 1102w: USB reset printer
Replies: 0
Views: 21

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: 119

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: 253

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: 268

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: 8877

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: 426

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: 372

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: 432

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: 0
Views: 510

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: 468

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: 451

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: 7362

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)
by ^rooker
Thu Dec 17, 2020 12:25 pm
Forum: Brainstorming & Smalltalk
Topic: Stuff to print on T-Shirts
Replies: 32
Views: 42495

Re: Stuff to print on T-Shirts

It's important (thanks Carl!), and it's already cool enough to print on shirt:
Commandline and complete, uncut console output missing.
!New edition for Christmas 2020!

On 15.12.20 22:53, Carl Eugen Hoyos wrote:
Complete, uncut console output and an input sample missing.
by ^rooker
Tue Dec 08, 2020 10:36 am
Forum: Knowledge Base
Topic: phpmyadmin: Parameter must be an array or an object ...
Replies: 1
Views: 1451

Re: phpmyadmin: sql.lib.php

And another one: (See Github: phpmyadmin issue #15574 ) Warning in ./libraries/sql.lib.php#613 count(): Parameter must be an array or an object that implements Countable Backtrace ./libraries/sql.lib.php#2128: PMA_isRememberSortingOrder(array) ./libraries/sql.lib.php#2079: PMA_executeQueryAndGetQuer...
by ^rooker
Tue Dec 08, 2020 12:12 am
Forum: Knowledge Base
Topic: phpmyadmin: Parameter must be an array or an object ...
Replies: 1
Views: 1451

phpmyadmin: Parameter must be an array or an object ...

[PROBLEM] Using default phpmyadmin with default mysql on Ubuntu 18.04.4 server, I get the following warning when opening a database and selecting the option "Import": Warning in ./libraries/plugin_interface.lib.php#551 count(): Parameter must be an array or an object that implements Counta...