One Hat Cyber Team

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Server: Linux ip-172-31-46-210 5.15.0-1033-aws #37~20.04.1-Ubuntu SMP Fri Mar 17 11:39:30 UTC 2023 x86_64
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Buat File | Buat Folder

Dir : ~/snap/core20/2599/etc/dhcp/dhclient-exit-hooks.d/

View File Name : timesyncd

TIMESYNCD_CONF=/run/systemd/timesyncd.conf.d/01-dhclient.conf

timesyncd_servers_setup_remove() {
        if [ -e $TIMESYNCD_CONF ]; then
            rm -f $TIMESYNCD_CONF
            systemctl try-restart systemd-timesyncd.service || true
        fi
}

timesyncd_servers_setup_add() {
        if [ ! -d /run/systemd/system ]; then
                return
        fi

        if [ -e $TIMESYNCD_CONF ] && [ "$new_ntp_servers" = "$old_ntp_servers" ]; then
                return
        fi

        if [ -z "$new_ntp_servers" ]; then
                timesyncd_servers_setup_remove
                return
        fi

        mkdir -p $(dirname $TIMESYNCD_CONF)
        cat <<EOF > ${TIMESYNCD_CONF}.new
# NTP server entries received from DHCP server
[Time]
NTP=$new_ntp_servers
EOF
        mv ${TIMESYNCD_CONF}.new ${TIMESYNCD_CONF}
        systemctl try-restart systemd-timesyncd.service || true
}


case $reason in
        BOUND|RENEW|REBIND|REBOOT)
                timesyncd_servers_setup_add
                ;;
        EXPIRE|FAIL|RELEASE|STOP)
                timesyncd_servers_setup_remove
                ;;
esac