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fmos/make writable: Mount tmpfs overlay on /usr 

I use this command to mount a tmpfs filesystem on top of `/usr` using
OverlayFS to temporarily make the FMOS immutable filesystem mutable.
This is particularly useful for testing changes without rebuilding the
image.
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Dustin 2019-04-01 13:57:25 -05:00
parent ee0abcda84
commit 29d45d92b5
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mkdir -p /run/fmos/usr/{.work,rw} && mount -t overlay -o lowerdir=/usr,upperdir=/run/fmos/usr/rw,workdir=/run/fmos/usr/.work overlay /usr