Reminders

When a Dell laptop encounters a hardware problem, it may blink its LEDs in a certain pattern, which indicates where the fault lies. Dell Latitude 2017-2023 The battery charge LED will blink X times in amber (orange) colour, then Y times in white. X , Y FAULT 2 , 1 CPU 2 , 2 Motherboard BIOS/ROM error 2 , 3 No RAM detected 2 , 4 RAM failure 2 , 5 invalid RAM 2 , 6 motherboard Chipset error 2 , 7 …

diskutil, hdiutil, drutil Create a USB stick to install MacOS MacOS versions MacOS filesystems diskutil, hdiutil $ diskutil list - show disk partitions $ [sudo] diskutil mount disk0s1 - mount EFI partition. (It will be available under /Volumes/EFI or similar) $ [sudo] diskutil apfs resizeContainer disk0s4 140g - expand APFS partition into free space after it. (where disk0s4 was shown by ‘diskutil …

( under construction ) See temperatures and fan speed etc Simple performance benchmark backup to Backblaze B2 using rclone Another Topic 3 Reminders on how to do various things in Linux which I always have difficulty remembering. Many are for Debian Linux, since I mainly use Debian-based systems: Raspberry Pi , Ubuntu, Zorin OS and small ARM/embedded systems such as Seagate Dockstar. Temperatures …