If you upgrade ubuntu 18.04 to 22.04 via “do-release-upgrade” and you have installed brother laser printer drivers, the whole “cups” printing system will FAIL on print and log missing “filters” at cups log. The “lp” printer output piped into nirvana! Check at /usr/lib/cups/filter/ for the filter files Reinstalls cups by deinstall/reinstall with –purge config option […]
Linux: find files modified in special Month
If you want to free space on Backups you can use find to select a special month: find -newerct "1 Sep 2023" ! -newerct "1 DEC 2023" -delete This command removes files created from 01.Sep.2023 to 01.Dec.2023. ..very useful..
Install Cewe or Rossmann Photobook Software Linux
Problem: Cewe Fotobuch Software wurde für 32bit Linux geschrieben lässt sich daher nach der Installation wegen fehlender Libraries nicht starten. Lösung: Download der Software von http://www.cewe-fotobuch.de/download/ Konsole öffnen (ähnlich Windows Dos Fenster – keine Mausgesteuerte Installation) die Datei Namens setup_Mein_CEWE_Fotobuch.tgz nach /tmp kopieren entpacken des Archives (.tgz) starten des Perlscripts nachträgliche Installation der 32bit Framedateien […]
WordPress get the URL of the Blog View
If you read SEO Errors on Page Web Analytics “Speed Insights” you should: Switch your WordPress Blog to a “Static” Homepage, see section “Read” Create a “Custom” Link for the Blog View at Appearance, then go “Menus” Check after Changes again with SEO Tools !! Following Day’s My custom Blog URL: https://www.linuxonlinehelp.eu/?post_type=post Echo: […]
Seafile Photo Cloud Server Problems (must KNOW)
If you plan to setup a small private Photo Cloud Server and you try to setup “Seafile Community Edition” there are some MAJOR Points (disadvantages) to know: Seafile Community Edition has limited Functions (5 Users) The Photo Files saved on “Data Blocks Files” like on “IPFS” with hash Keys as Names You need a MYSQL […]
AI breaks Encryption of Text
This Day this News Post appears on NET: Student uses Artificial Intelligence to decrypt papyrus roles without roll out physically the papers This Keyword was found by AI: “ΠΟΡΦΥΡΑϹ – Porphyras – Purpur” Color Possible Results: Encrypted Texts can be decrypted with AI in Future fast There is no protection in future for current used […]
Bug: virt-manager NO Keyboard input on VM
If you use Debian as Host System for Virtual Servers the “virt-manager” Package is broken! no keymap input no VM Console Control no VT-Switch possible Fix: run sudo virsh edit “vm-name” remove all “spice” display + audio entrys !! open sudo virt-manager go details and and ADD Display VGA + VGA-Adapter select VNC!! save + […]
Webserver Port 80 open or close
If you hold a website and use SSL/HTTPS with Certificates theres is often the question should i block Port 80? The most Admins think after the Major Changes of the Browsers to pull first HTTPS Port 443 they can close the HTTP Port 80. But you should NOT do it! Why? most Bots scan at […]