Keep Debian 12 Security Updates Running on a Headless Server
Enable Debian’s unattended security updates over SSH, keep the default package sources, and verify scheduled runs through systemd and APT logs.
Instructions to turn off Hardware Acceleration Chrome to speed up your computer
The Hardware Acceleration feature in Chrome helps smoothen all operations on the browser from watching movies, surfing the web or playing games. However, this feature sometimes fails when your graphics driver is outdated or has some compatibility issues. If your computer encounters this situation, you should turn off Hardware Acceleration in Chrome, according to the article below.
Instructions to turn off Hardware Acceleration Chrome
Step 1:
We click on the 3 dots icon and select Settings in the displayed list.
Step 2:
Switch to the new interface, the user clicks on the System item in the customization list on the left of the interface.
Step 3:
Looking at the interface next to it, we will turn off the Use graphics acceleration feature setting if available to proceed to disable the Hardware Acceleration setting on the Chrome browser.
You will now see a Relaunch button to restart your Chrome browser and apply the new settings.
Get Ubuntu SMART Disk Warnings by Email with smartd
Compare mail delivery options, configure smartd on Ubuntu, and verify that disk-health warnings reach your inbox.
Debian 12 DNS Lookup Failures: Repair systemd-resolved
Restore DNS lookups on Debian 12 by checking systemd-resolved, repairing resolv.conf when needed, and verifying upstream DNS and application resolution.
Ubuntu 24.04 Won’t Show HDMI Audio? Restore the Output
Get Ubuntu to detect your monitor or TV as an audio output, select it in Sound settings, and check the connection or PipeWire device list if HDMI is missing.
Fix APT Signature Errors by Repairing the Repository Key
Resolve Ubuntu APT signature warnings safely by identifying the failing source, refreshing its verified key, and checking the result without disabling security.
How to Convert Three-Phase Voltage, Current, kW, kVA, and Power Factor
Learn the balanced three-phase formulas and convert line voltage, current, kW, kVA, and power factor step by step, with a worked example and limits to check.
Cap a Command’s CPU and Memory Use with Ubuntu cgroups
Run a workload inside a systemd scope with CPUQuota and MemoryMax, then verify the limits through cgroup v2.
Encrypt Pi-hole Upstream DNS on Ubuntu Server 24.04
Set up dnscrypt-proxy as Pi-hole’s local DoH bridge on Ubuntu 24.04, with a localhost-only listener, resolver selection, and checks before switching DNS.
Get Ubuntu 24.04 Touchpad Gestures Working on Wayland
Check Ubuntu’s touchpad settings, confirm Wayland, and test GNOME’s built-in swipes before troubleshooting apps or hardware.
Build a Debian 12 RAID 1 Mirror with mdadm
Create and verify a two-disk Debian 12 RAID 1 data array, format it safely, and configure it to assemble and mount after reboot.