| Server IP : 216.250.13.251 / Your IP : 216.73.216.164 Web Server : nginx/1.24.0 System : Linux gunay 6.8.0-134-generic #134-Ubuntu SMP PREEMPT_DYNAMIC Fri Jun 26 18:43:11 UTC 2026 x86_64 User : root ( 0) 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, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /usr/share/dhcpcd/hooks/ |
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# Lookup the hostname in DNS if not set
lookup_hostname()
{
[ -z "$new_ip_address" ] && return 1
# Silly ISC programs love to send error text to stdout
if command -v dig >/dev/null 2>&1; then
h=$(dig +short -x $new_ip_address)
if [ $? = 0 ]; then
echo "$h" | sed 's/\.$//'
return 0
fi
elif command -v host >/dev/null 2>&1; then
h=$(host $new_ip_address)
if [ $? = 0 ]; then
echo "$h" \
| sed 's/.* domain name pointer \(.*\)./\1/'
return 0
fi
elif command -v getent >/dev/null 2>&1; then
h=$(getent hosts $new_ip_address)
if [ $? = 0 ]; then
echo "$h" | sed 's/[^ ]* *\([^ ]*\).*/\1/'
return 0
fi
fi
return 1
}
set_hostname()
{
if [ -z "${new_host_name}${new_fqdn_name}" ]; then
export new_host_name="$(lookup_hostname)"
fi
}
if $if_up; then
set_hostname
fi