For updating the firmware file, I have to remount "something", but I don't know what "something" is, in this case:
mount -o remount,rw /something
LibreELEC:~ # ls -al /
total 17
drwxrwxr-x 13 root root 202 May 27 2021 .
drwxrwxr-x 13 root root 202 May 27 2021 ..
lrwxrwxrwx 1 root root 8 May 27 2021 bin -> /usr/bin
drwxr-xr-x 17 root root 4120 Apr 11 18:28 dev
drwxrwxr-x 22 root root 1024 May 27 2021 etc
drwxr-xr-x 3 root root 16384 Jan 1 1970 flash
lrwxrwxrwx 1 root root 8 May 27 2021 lib -> /usr/lib
lrwxrwxrwx 1 root root 10 May 27 2021 media -> /var/media
drwxrwxr-x 3 root root 25 May 27 2021 opt
dr-xr-xr-x 128 root root 0 Jan 1 1970 proc
drwxr-xr-x 17 root root 540 Apr 11 18:28 run
lrwxrwxrwx 1 root root 9 May 27 2021 sbin -> /usr/sbin
drwxr-xr-x 16 root root 1024 Apr 11 18:34 storage
dr-xr-xr-x 12 root root 0 Jan 1 1970 sys
drwxrwxrwt 9 root root 180 Apr 11 18:29 tmp
drwxrwxr-x 9 root root 136 May 27 2021 usr
drwxr-xr-x 9 root root 220 Apr 11 18:28 var
LibreELEC:~ # df
Filesystem 1K-blocks Used Available Use% Mounted on
devtmpfs 1740988 4 1740984 0% /dev
/dev/mmcblk0p1 524008 147928 376080 28% /flash
/dev/loop0 135168 135168 0 100% /
/dev/mmcblk0p2 14550493 546533 13999864 4% /storage
tmpfs 1875132 0 1875132 0% /dev/shm
tmpfs 1875132 6904 1868228 0% /run
tmpfs 1875132 0 1875132 0% /sys/fs/cgroup
tmpfs 1875132 16 1875116 0% /var
tmpfs 1875132 0 1875132 0% /tmp
/dev/sda1 479668992 93182156 385493684 19% /var/media/TOSHIBA EXT
Should I delete the symbolic link?
Tobias