====== dhcpd ======

  >$ sudo apt install isc-dhcp-server

<file ini /etc/defaults/isc-dhcp-server>
INTERFACESv4="eth0"
</file>

<file ini /etc/dhcp/dhcpd.conf [enable_line_numbers="true", start_line_numbers_at="1"]>
subnet 192.168.1.0 netmask 255.255.255.0 {
  range 192.168.1.100 192.168.1.250;
  option domain-name-servers 8.8.8.8;
  option domain-name "orbita88.urx.su";
  # option broadcast-address 10.5.5.31;
  default-lease-time 600;
  max-lease-time 7200;

  #option routers 192.168.1.1;
  option routers 192.168.1.5;
}

host cloud {
  hardware ethernet b8:27:eb:9d:bd:18;
  fixed-address 192.168.1.6;
}

host laserjet {
  hardware ethernet c0:18:85:8d:26:c6;
  fixed-address 192.168.1.10;
}

host inkjet {
  hardware ethernet 68:b5:99:07:3e:5a;
  fixed-address 192.168.1.11;
}

host ferm2 {
  hardware ethernet e0:d5:5e:00:c2:98;
  fixed-address 192.168.1.22;
}

host netbook {
  hardware ethernet 10:1f:74:58:af:2e;
  fixed-address 192.168.1.76;
}

host home1 {
  hardware ethernet 08:60:6e:d5:5c:86;
  fixed-address 192.168.1.77;
}

host cluster11 {
  hardware ethernet b8:27:eb:0d:d2:7a;
  fixed-address 192.168.1.31;
}

host cluster12 {
  hardware ethernet b8:27:eb:22:eb:14;
  fixed-address 192.168.1.32;
}

host cluster13 {
  hardware ethernet b8:27:eb:88:ca:4e;
  fixed-address 192.168.1.33;
}

host cluster14 {
  hardware ethernet b8:27:eb:21:71:7f;
  fixed-address 192.168.1.34;
}


host kodi {
  hardware ethernet b8:27:eb:61:82:3d;
  fixed-address 192.168.1.20;
}

host LGTV {
  hardware ethernet a8:23:fe:8b:a3:4b;
  fixed-address 192.168.1.21;
}


host kuber01 {
  hardware ethernet xx:xx:xx:xx:xx:xx;
  fixed-address 192.168.1.91;
}

host kuber02 {
  hardware ethernet xx:xx:xx:xx:xx:xx;
  fixed-address 192.168.1.92;
}

host kuber03 {
  hardware ethernet xx:xx:xx:xx:xx:xx;
  fixed-address 192.168.1.93;
}

host kuber04 {
  hardware ethernet xx:xx:xx:xx:xx:xx;
  fixed-address 192.168.1.94;
}
</file>

----

//__Скрипт выводит выданные адреса__//\\
<file bash dhcp.bash>
#!/bin/bash

FILE='/var/lib/dhcp/dhcpd.leases'

cat $FILE | sed '/#/d' | grep "lease\|client-hostname\|hardware ethernet\|binding state" | sed 's/[;|"]//g' | awk '{
    #print $0;

    if($1=="lease"){
        #print $1;
        if(s!="") print s;
        s=$2;
    }
    else if($1=="hardware") s=s"\t"$3;
    else if($1=="client-hostname") s=s"\t"$2;
    else if($1=="binding") s=s"\t"$3;
} END{ print s;}' | sort | uniq | grep active
</file>