Category: Fail

one neat function of find, it that what it found can be passed to another function for further processing. or: it can delete the file BUT this can go horribly wrong (and it does not ask for confirmation) … deleting […]

Motorola, Apple, Samsung, and now even Fairphone 4: NO 3.5mm headphone jack!!! For the audio junkies among us, this is a no go. Was so looking forward to the Fairphone, but will probably use a phone with audio jack as […]

inxi – Command line system information script for console and IRC DESCRIPTION It is also used a debugging tool for forum technical support to quickly ascertain users’ system configurations and hardware. inxi shows system hardware, CPU, drivers, Xorg, Desktop, Kernel, […]

affected CPUs: (src: intel.com) Intel® Processors supporting SGX2: Code Name Product Collection Ice Lake Xeon-SP (HCC, XCC) 3rd Gen Intel® Xeon® Scalable processor family Ice Lake 10th Generation Intel® Core™ Processor Family Gemini Lake Intel® Pentium® Processor Silver Series, Intel® […]

the harddisk reliability toplist: while this toplist says nothing about how reliable the harddisk can store and return exact copy of data written (!!!). this has to be tested in additionally (long term stress test). Backblaze regularly publishes statistics on […]

the most fundamental networking settings are ever changing it used to be /etc/resolv.conf where nameservers are set systemd is doing it’s own thing /etc/systemd/resolved.conf and Ubuntu (based on Debian) is doing (again) it’s entirely own thing (netplan) frankly: this sucks […]

Reset Basisstationen ein Reset der Basisstation bewirkt Folgendes: die Einstellungen sind im Lieferzustand die PIN lautet “0000” alle Mobilteile sind abgemeldet SIEMENS Gigaset 1010, 1015, 2010, 2015, 2011, 2016 (ausser 2016 plus) sowie baugleiche Telekom Sinus 43 und 44: Trennen […]

the catch: when there is no audio jack inserted -> it will register as “audio output device” (usb-soundcard) by GNU Linux Debian X-D making file access impossible solution: attach a audio-jack cable: then it will show up and mount like […]

can not recommend! the connection works (benchmark results below) the major problem is: unable to disable DHCP! which means: whenever there is a disconnect from the uplink (DHCP lost) the DHCP of the TL-WPA4220KIT will “kick in” and assign completely […]

it sounds crazy but… as machines as cars and tractors become more complicated and computerized not only are their parts DELIBERATELY designed to break after a certain time (planned obsolescence) (in order to sell more spare parts, make more profit) […]

why are those data leaks problematic? because scammers and spammers will use this data to even better scam (social engineer) the affected users that is why it is essential to give those platforms (if the user needs them) as little […]

computers are no way perfect: the rise of the machines: who is scared of killer robots? who is scared of doctors, judges and police blindly trusting in AI and computer output? “we are driving in (heavy) rain right now with […]

Update: Amazon Kuper vs OneWeb vs SpaceX the competition is on! almost-satellite-colissions in space (who owns space?) collisions between Amazon Kuiper vs OneWeb vs SpaceX in court on Earth (some parties might not refrain from playing foul) “While SpaceX makes […]

is a powerful and fast paper scanner, up to now it is really a great work horse 🙂 (make sure to buy the N (Network!) version) after round about 200.000 pages (!) it quits each job with “Scheduled Maintenance” alert… […]

for some reason… did ext3 on RAID1 with two disks (seagate + wd) of different sized (2TB but they (of course) are not exactly 2TB) watch out: shingled hdd are not good for RAID! not sure where the problem here […]

first some praise: the maintainers of grub did their best they could to bring about a great piece of software, no doubt about that. the question is: could less be more? when Greg Kroah-Hartman suggested to get rid of the […]

not exactly the latest hardware but still want to give users some advice where to look at. the Gigabyte P35 DS3 has 6x SATA ports together with a tower case that can house many harddisk, makes for a great linux […]

the SanDisk Ultra 32GB are fast, cheap USB sticks that user can get around 8€ online. when it keeps mounting “read only” and refuses to mount read+write, “I’ve contacted SanDisk, and they’ve said it happened “beacuse the flash drive has […]

the tech guy in this video says: his “smart” APC UPS – “battery exploded and leaked all over the place” have two UPS here one from APC and one from EATON. and the EATON 5PX. EATON 5PX 2200 pros and […]

# become root su – root; # rpm based yum install nmap # apt based apt install nmap # find snmp enabled devices # (UDP port 161, can not be tested with telnet (can only do TCP)) nmap -sU -p […]

Not a lot of humans on this planet manage to entertain and educate at the same time. ElectroBOOM does it nicely, one can find him like that: it is just outstanding funny and entertaining… X-D singing with tesla coils: this […]

“In the popular series of wireless keyboards Fujitsu LX390 found two dangerous vulnerabilities. According to researchers from the company SySS, exploitation of vulnerabilities allows nearby attackers to “spy” passwords entered on the keyboard, or even to seize control of the […]

ONLY BUY FROM HARDWARE VENDORS THAT SUPPORT FREE & OPEN SOURCE SOFTWARE! (release the sources for their drivers and documentation for their hardware) “Currently there are only a few modern wifi chipsets readily available that work with free software systems. […]

spoiler alert: this is work in progress… was told by Adaptec support to upgrade firmware. did not do that yet – because firmware upgrades on production systems are sometimes very risky endeavors. one of the most important features of a […]

monitoring the integrity of a RAID is critical for fast replacement of failed harddisks (ideally one has at least one spare drive already in the machine) if not – it would be great if hard- and software-raid would send a […]

Update: 2020.03 “The newly developed Rowhammer- attack TRRespass can crack the RAM-a security mechanism by many DDR4-DRAM-modules as well as LPDDR4 Chips. Until now, these were considered to be almost immune to Rowhammer attacks.” https://www.com-magazin.de/news/sicherheit/software-hammer-ram-schutz-attackiert-2515621.html Update: 2019.10 Zombieload is back. […]

tested on: Operating System: CentOS Linux 7 (Core) CPE OS Name: cpe:/o:centos:centos:7 Kernel: Linux 4.15.9 Architecture: x86-64 # using vboxmanage –version 5.2.6r120293 ah lovely isn’t it? BSOD Win98 style… errors were NOT the exception, they were THE NORM (and still […]

the best about samba: thanks for samba, it provides users with a fast (of course depends also on harddisk speed) rock-solid no-limit-to-maximum-users file-server for maximum file-transfer-and-sharing-and-storage productivity (and they will USE that T: temp drive for EVERYTHING! prepare for TERRABYTES […]

i was hoping for a similar procedure for the MFC-6490CW had no luck with this: Hold down the “Menu” key. (for MFC-6890CDW it is the “Copy” key) While still holding the menu key, unplug the machine and plug it back […]

dmidecode -t 17 # dmidecode 3.0 Getting SMBIOS data from sysfs. SMBIOS 2.7 present. Handle 0x005D, DMI type 17, 34 bytes Memory Device Array Handle: 0x005E Error Information Handle: 0x0062 Total Width: 64 bits Data Width: 64 bits Size: 4096 […]