diff --git a/Documentation/BuildInstructions.md b/Documentation/BuildInstructions.md index 5df37310d8..4e98d3c1fc 100644 --- a/Documentation/BuildInstructions.md +++ b/Documentation/BuildInstructions.md @@ -88,6 +88,8 @@ Meta/serenity.sh run This will compile all of SerenityOS and install the built files into the `Build/x86_64/Root` directory inside your Git repository. It will also build a disk image and start SerenityOS using QEMU. +If, during build, an error like `fusermount: failed to open /etc/mtab: No such file or directory` appears, you have installed `fuse2fs` but your system does not provide the mtab symlink for various reasons. Simply create this symlink with `ln -sv /proc/self/mounts /etc/mtab`. + Note that the `anon` user is able to become `root` without a password by default, as a development convenience. To prevent this, remove `anon` from the `wheel` group and he will no longer be able to run `/bin/su`.