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Deleting files on a LUKS-encrypted USB drive can leave `df` reporting no freed space even though the files are gone. This article explains the likely causes and walks through remounting, enabling discards, and running `f...
Read MoreHDMI connectors are not separate PCI devices, so they never appear in lspci output. For passthrough you hand the entire GPU to the virtual machine, and this article explains how to find the right device and set it up in ...
Read MoreUbuntu 24.04 no longer ships the GUI mirror chooser by default, and a misconfigured sources file pointing at a foreign mirror or wrong release suite can break updates. Here is how to restore the mirror tool and repair yo...
Read Moremdadm cannot reshape a linear (concatenated) array into RAID1, regardless of how much free space exists. This article explains why the conversion is impossible and walks through safe migration strategies.
Read MoreThe +4012+cd64a238 tail on an AlmaLinux module package is a build index plus a module-identity hash, not a patch counter. Verify scanner findings against the vendor advisory and the full installed package identity.
Read MoreWhen an NTFS external drive develops thousands of bad sectors, choosing between a block-level image and a file-level copy determines whether your data survives. Here's how to do both safely on Linux.
Read MoreA release upgrade that aborts with "unable to evaluate the upgrade" is almost always caused by a few unsatisfiable packages. Learn to spot them in apt.log, remove them, and restore your sources after a failed attempt.
Read MoreA UHS-I, V30-rated microSD card behind a SuperSpeed reader can still crawl along at 14 MB/s. The bottleneck is usually the card's flash memory and the file mix, not the USB link.
Read MoreAudacity's meter moves but HDMI stays silent on Ubuntu because the app is using the wrong audio host. Switch to PulseAudio in Preferences, or replace the App Center Snap with the apt package.
Read MoreDolphin can keep a single folder permanently sorted by modified date while every other folder stays on name, ascending — using the Apply to scope in view properties and a hidden .directory override.
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