udp        0      0 0.0.0.0:67              0.0.0.0:*                           1417/dhcpd          
udp        0      0 0.0.0.0:28458           0.0.0.0:*                           1411/dhcpd          
udp        0      0 0.0.0.0:41894           0.0.0.0:*                           1417/dhcpd          
udp6       0      0 :::19363                :::*                                1417/dhcpd          
udp6       0      0 :::41894                :::*                                1411/dhcpd          
udp6       0      0 :::547                  :::*                                1411/dhcpd          
raw        0      0 0.0.0.0:1               0.0.0.0:*               7           1417/dhcpd          
raw        0      0 0.0.0.0:1               0.0.0.0:*               7           1411/dhcpd

# Server configuration file example for DHCPv6
# From the file used for TAHI tests - addresses chosen
# to match TAHI rather than example block.

# IPv6 address valid lifetime
#  (at the end the address is no longer usable by the client)
#  (set to 30 days, the usual IPv6 default)
default-lease-time 2592000;

# IPv6 address preferred lifetime
#  (at the end the address is deprecated, i.e., the client should use
#   other addresses for new connections)
#  (set to 7 days, the  usual IPv6 default)
preferred-lifetime 604800;

# T1, the delay before Renew
#  (default is 1/2 preferred lifetime)
#  (set to 1 hour)
option dhcp-renewal-time 3600;

# T2, the delay before Rebind (if Renews failed)
#  (default is 3/4 preferred lifetime)
#  (set to 2 hours)
option dhcp-rebinding-time 7200;

# Enable RFC 5007 support (same than for DHCPv4)
allow leasequery;

# Global definitions for name server address(es) and domain search list
option dhcp6.name-servers fde7:9304:ac2e:a374::2;
option dhcp6.domain-search "localnet";

# Set preference to 255 (maximum) in order to avoid waiting for
# additional servers when there is only one
##option dhcp6.preference 255;

# Server side command to enable rapid-commit (2 packet exchange)
##option dhcp6.rapid-commit;

# The delay before information-request refresh
#  (minimum is 10 minutes, maximum one day, default is to not refresh)
#  (set to 6 hours)
option dhcp6.info-refresh-time 21600;

subnet6 fde7:9304:ac2e:a374::/64 {
#       # Two addresses available to clients
        range6 fde7:9304:ac2e:a374::100 fde7:9304:ac2e:a374::200;
}

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.3.2  netmask 255.255.255.0  broadcast 192.168.3.255
        inet6 fe80::53:bcff:feed:571c  prefixlen 64  scopeid 0x20<link>
        inet6 fde7:9304:ac2e:a374::2  prefixlen 64  scopeid 0x0<global>
        ether 02:53:bc:ed:57:1c  txqueuelen 1000  (Ethernet)
        

hbars@hbars-book:~$ ps axu|grep none
root      1457  0.0  0.0   2448   752 ?        S    17:25   0:00 [none]

hbars@hbars-book:~$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu Cosmic Cuttlefish (development branch)
Release:	18.10
Codename:	cosmic

auto wlan0
allow-hotplug wlan0
iface wlan0 inet static
     address 192.168.1.157
     netmask 255.255.255.0
     network 255.255.1.0
     broadcast 192.168.1.255
     gateway 192.168.1.1
     wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
     

int onesec() {
int retval;
struct timeval timeout = {1, 0};
    retval = select(1, NULL, NULL, NULL, &timeout);
    return (retval);
}

int onesec() {
int retval;
struct timeval timeout = {1, 0};
    retval = select(1, NULL, NULL, NULL, &timeout);
    return (retval);
}

SUBSYSTEMS=="usb", ACTION=="add", DRIVERS=="?*", ATTR{idVendor}=="0930", ATTR{serial}="0123456789"

root@hbars:/var/log# ls -l /sys/devices/pci0000:00/0000:00:1d.7/usb5/5-6/serial
-r--r--r-- 1 root root 4096 апр 26 16:54 /sys/devices/pci0000:00/0000:00:1d.7/usb5/5-6/serial