Recently I bought a kit for a binary clock from pollin. Like with my other self-made digital clocks (from the university's lab excercise), I got annoyed by the need to set the time manually (especially for spring forward and fall back). For those, I had already added support for a …
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How to make all/most filesystems read-only in arch linux arm
Why?
Degradation of micro-SD cards can be slowed if write access is reduced. Furthermore, unexpected power cycles are less dangerous if partitions are mounted read-only.
minimum
/etc/fstab
Add
ro
tooptions
of desired file systems (e.g./boot
).kernel parameters
Add
read morero
in/boot/cmdline.txt
or/boot/grub …