| Server IP : 185.11.201.71 / Your IP : 192.168.7.18 Web Server : Apache/2.4.29 (Ubuntu) System : Linux tech-virtual-machine 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64 User : tech ( 1000) PHP Version : 7.4.28 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 : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /snap/core24/1643/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