If "Failed to start daemon" or "Failed to become daemon" errors occur when starting ihttpd, an error in /dev/null may be the cause. To eliminate the error:
ls -alh /dev/null && file /dev/null
An example of response
crw-rw-rw- 1 root root 1, 3 May 17 12:36 /dev/null
/dev/null: character special
rm -f /dev/null && mknod /dev/null c 1 3 && chmod 666 /dev/null
killall ihttpd
systemctl start ihttpd
or service ihttpd start