[Q] Cant cp or mv modules to dir "access denied"

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I am trying to copy modules to /system/lib/modules/. I have rooted with Gingerbreak. I have superuser permissions both with adb and from terminal emulator. I have changed system to rw both from TE and with ADB. I used this command: mount -o remount,rw -t ext4 /dev/block/mmcblk0p3 system/ What am I doing wrong. System shows up as mounted rw when checking with cat /proc/mounts

Well, that basically works for me, but unless you did a typo on the "system/" only in the forums you got it slightly wrong.

su
mount -o remount,rw /dev/block/mmcblk0p3 /system

You don't need the "-t ext4" option.

Do I need busybox? It wasn't a typo. I get "permission denied" when I try to push the file. Not "access denied" as in the name. If it makes any difference. I have tried to cp from adb shell also. Same problem.

After installing busybox all went fine.