tech – Ping-!-Pong

Abdelraheem Mohamed Elkhalifa – Security issues of Power line Communications

210106, 20:05 (CET) @tech

#Security issues of #Power line #Communications. #power_line #PowerLAN etc. http://www.iosrjen.org/Papers/vol3_issue12%20(part-3)/A031230106.pdf

WhatsApp messages can be deleted after 7 days automatically

201105, 15:53 (CET) @tech

#WhatsApp has new #function: #messages for 7 days https://www.aroged.com/2020/11/whatsapp-has-new-function-messages-can-disappear-after-7-days/

awk / sed text handling examples?

201021, 22:40 (CET) @tech

awk ‘{print $2}’ from_file > to_file

Mammut-Radar in Wuppertal

200925, 23:17 (CET) @tech

#Wuppertal SG and GEFA-BANK #building on Robert-Daum-Platz 1 https://de.wikipedia.org/wiki/Mammut_(Radar) looks like #Mammut #Radar https://datenrettungtool.de/places-photo/gefabankgmbh861.jpg What is why you will get #followers any time you make a #break on the bank of the #Wupper #river near that building with #underground_parking, river #water access etc. Funny #freaks from the past.

how to use zip under linux

200418, 15:38 (CET) @tech

create #zip #archive: 7za a -tzip -pPASSPHRASE -mem=AES256 secure.zip file1.txt file2.pdf file3.jpg | extract zip archive: 7za e myarchive.zip | https://www.putorius.net/how-to-create-enrcypted-password.html