If you use Linux you should monthly check which Software you haven’t used last weeks. Background: Every additional Software put Load on your PC Every additional Software uses libraries which can be affected by zero day exploits The Developers doesn’t know all bugs of their dependencies Third parity Software parts like „Github“ or „PPA-Sources“ they […]
Kategorie: News
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..
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.com/?post_type=post Echo: […]
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 […]
Howto: Create qrcode image command line
If you need digital bookmarks to share as Pic on social media do: Install qrencode : sudo apt-get install qrencode then as user: qrencode -o qrcode.png 'www.linuxonlinehelp.com My Blog' Result:
Firestick VPN disable GEOBLOCKING Android
In Europe most DSL Routers don’t support VPN/OPENVPN by default this a Workaround without hacking any Firmware or Chrooting ! What you need: openvpn.apk Client client.ovpn Config File Linux PC with adb tools, Ubuntu Live CD works also without Install! AWS or other vServer on the Cloud outside EU (i testet AWS-Lightsail for free!) 15Mins […]
Major Tools for your IT Systems
A must „USE“ in these insecure days: nmap Portscan Tool use nmap -PN IP-Address to check failed Firewall Settings! arp-scan Network Scan to find active devices iftop to detect traffic and used Ports on a physical network Interface! ps aux show active processes on a Linux System htop more human friendly Process Monitor iotop human […]
Stop using Twitter …
Today i closed my Twitter Timeline cause: i don’t see any advantages of this Social Media Tool too much ads posted in my timeline too much commercial waste posted in my timeline no Filter for „Area Europe“ available only Worldwide and Germany too much politics trash posted .. be independet from commercial social media tools […]