Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/share/doc/ifupdown/examples/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

#!/bin/sh

if [ `id -u` -ne 0 ] || [ "$1" = "" ]; then exit 1; fi

if [ -x /usr/bin/fping ]; then
	PING="/usr/bin/fping"
else
	PING="/bin/ping -c 2"
fi

iface="$1"
which=""

while read addr pingme scheme; do
	if [ "$which" ]; then continue; fi

	#echo "  Trying $addr & $pingme ($scheme)" >&2

	ip addr add $addr dev $iface  >/dev/null 2>&1
	ip link set $iface up         >/dev/null 2>&1

	if $PING $pingme >/dev/null 2>&1; then
		which="$scheme"	
	fi
	ip link set $iface down       >/dev/null 2>&1
	ip addr del $addr dev $iface  >/dev/null 2>&1
done

if [ "$which" ]; then echo $which; exit 0; fi
exit 1