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You can't write like that through a file descriptor using sudo, the echo runs as root, the output it generates does not. You must use sudo tee to elevate the access, example: echo 1 | sudo tee [path to sysfs] You can even append with tee using the -a switch. I do this all the time with ftrace. echo 'nvme_submit_request' | sudo tee ...


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Try sudo su - this will change you to root, and try it this way. Sometimes I observed that this way I have more rights than simply with sudo


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Samsung (Disk) Magician is a firmware update tool to notify you about new firmware releases and installing them. The firmwares are also offered as ISO images on the Samsung website. Complementary features to the core functionality: Display S.M.A.R.T data and total bytes written Run a non-comparable Samsung-specific benchmark Run TRIM manually Debatable ...


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Go into BIOS by clicking F2 right as you start up the computer. Go in and find "boot." Find secure boot, then turn it off. Viola.



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