If you use modsecurity2 Plugin Filter on a Apache2 / Apache24 Setup then on my Blogs Gutenberg fails to SAVE Pages and Drafts. Update 12-2025 : Hardening with mod_security2 and mod_evasive must be customized for the WordPress Block Editor called Gutenberg! Workaround: Install the old but useful “Classic Editor Plugin” and replace Gutenberg for all […]
Category: Software Bugs
Ubuntu 24.04 fails to dim Acer Backlight
Solution: Open a terminal and create the following configuration file, if it does not exist: sudo touch /usr/share/X11/xorg.conf.d/20-intel.conf Now we need to edit this file. You can use any editor be it a terminal one or graphical. sudo gedit /usr/share/X11/xorg.conf.d/20-intel.conf Add the following lines to this file: Section "Device" Identifier "card0" Driver "intel" Option "Backlight" […]
Cups Linux Chrome Chromium Browser fails Color Printing only greyscale
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 […]
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
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
Ubuntu Upgrade Bug: do-release-upgrade breaks cups wrapper filter files for Brother Laser Printers
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 […]
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 + […]
Bug: WIFI WICD Network dropped by apparmor randomly
Apparmor prevent by broken Security Profile read Access to Configs of WICD Syslog dmesg Log: apparmor="DENIED" name="/var/lib/wicd/dhclient.conf"…. Solution: sudo nano /etc/apparmor.d/sbin.dhclient add after “/etc/dhcp/** r,”: /var/lib/wicd/dhclient.conf r, to enable access to /var/lib/wicd/dhclient.conf which is able to read updates