If you use the Google Chrome Browser or Chromium and all Prints over Cups / Cups-PDF or Color Printers are all greyscale there is a known Bug at the Printing Menu of the Browser! This is NOT a Problem with you Cups Printing Setup or Operating System!!! (Alternate you can test your Cups-Printing-System with Firefox here […]
Tag: linux
Linux Samba User Add Script
Problem: The User Password Sync on Standalone Samba Server like Debian & Ubuntu without LDAP is broken since years! So i wrote a small Script called add-user-smb.sh: #!/bin/bash # Prompt for username read -p "Username: " username # Prompt for password without echoing read -p "Password: " password # Add a new User to Linux […]
Linux: Perfect Secure Travel Laptop
If you want to Travel to other Countries (Border-Control), you should know some things: Buy a older Acer Laptop with Micro SSD Harddisk and SATA CDROM Slot Buy a SATA CDROM Adaptor for 10$, open the Laptop and remove the SATA Drive put it into the SATA Adaptor Don’t put Screws into the Laptop to […]
Linux: Raise Security Level by removing Software
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 […]
Linux Security: create, mount, lock Luks Encrypted Container Files
Howto create encrypted Container Files for private Photos? REMARKS: EVERY unlocked and active mounted Luks Drive could be read out by attackers! Use long Passwords for Luks! dismount and LOCK unused luks drives/containers if NOT used! Create and mount Script: #!/bin/bash # Script creates 4GB Encrypted File Container, set Password # and mount it to […]
Bug: XDM Login Manager fails start on Boot
Seen on ubuntu 22.04 after do-release-upgrade the xdm Login Manager fails to start, cause a old xdm.pid file hangs from last shutdown on “/run/xdm.pid”. XDM prevent start on a old PID File!! Workaround edit Roots crontab to purge it: sudo crontab -e @reboot rm -rf /run/xdm.pid > /dev/null 2>&1 quit and save with “:wq!” ..reboot
Ubuntu: Chromium install without snap
Howto: Remove all snaps and install chromium on ubuntu 20.XX-24.XX sudo snap remove "package-name" (first all gtk-XX,gnone-xx and all "base+core") sudo apt-get remove snap snapd sudo add-apt-repository ppa:xtradeb/apps (Answere Question ENTER) sudo apt-get update sudo apt-get install chromium
Major Bug: Backdoor inside XZ Libs / SSH Backdoor
Brand New: SSH Backdoor seen on Linux XZ-Libs published with Backdoor! Prio HIGH! (The Backdoor offers break out of a SSH Connection) Update your Systems! Read: Article/Post/Backdoor-XZ-SSH Ubuntu Report Debian Report