Diskless worstations on Ubuntu 14.04 howto

@test_setup
    network: 10.1.1.0/24
    server
        ip a s | grep inet
            inet 10.1.1.2/24 brd 10.1.1.255 scope global eth1
        cat /etc/lsb-release  | grep DESC
            DISTRIB_DESCRIPTION="Ubuntu 12.04.5 LTS"
    client
        cat /etc/lsb-release | grep DESC
            DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"
        ip a s | grep inet
            inet 10.1.1.2/24 brd 10.1.1.255 scope global eth1
@server
    @required_packages
        apt-get install dhcp3-server tftpd-hpa syslinux
        apt-get install nfs-kernel-server initramfs-tools
        apt-get install tcpdump tftp
    @dhcpd
        vim /etc/dhcp/dhcpd.conf
            subnet 10.1.1.0 netmask 255.255.255.0 {
              range 10.1.1.10 10.1.1.20;
              option broadcast-address 10.1.1.255;
              option routers 10.1.1.1;
              option domain-name-servers 8.8.8.8;
 
              filename "/pxelinux.0";
            }
 
            #host pxe_client {
            #  hardware ethernet xx:xx:xx:xx:xx:xx;
            #  fixed-address 10.1.1.33;
            #}
       service isc-dhcp-server start
       #check
           netstat -nlptu | grep dhcp
               udp  0  0  0.0.0.0:67  0.0.0.0:*  5016/dhcpd
    @tftp
        mkdir /tftpboot
        #for testing
            echo foo > /tfpboot/bar.txt
        chmod 777 -vR /tfpboot/
        /etc/default/tftpd-hpa
            TFTP_USERNAME="tftp"
            TFTP_DIRECTORY="/tftpboot"
            TFTP_ADDRESS="10.1.1.1:69"
            TFTP_OPTIONS="--secure"
        service tftpd-hpa restart
        #check
            netstat -nlptu | grep tftp
                udp  0  0  0.0.0.0:69  0.0.0.0:*  6374/in.tftpd
            echo 'get /bar.txt bar.txt' | tftp localhost
                tftp> Received 5 bytes in 0.0 seconds
        #syslinux
            cp -v /usr/lib/syslinux/pxelinux.0 /tftpboot
            cp -v /usr/lib/syslinux/menu.c32 /tftpboot
            mkdir -v /tftpboot/pxelinux.cfg
            vim /tftpboot/pxelinux.cfg/default
                DEFAULT menu.c32
                prompt 0
                timeout 100
                menu title Welcome to the DAMN NETBOOT!
 
                label ubuntu-diskless
                    menu label ubuntu-diskless
                    kernel /vmlinuz-3.13.0-33-generic
                    append root=/dev/nfs initrd=initrd.img-3.13.0-33-generic nfsroot=10.1.1.1:/nfsroot,rw ip=dhcp
    @nfs
        mkdir /nfsroot
        /etc/exports
            /nfsroot 10.1.1.0/24(rw,no_root_squash,async,insecure,no_subtree_check)
        exportfs -rv
            exporting 10.1.1.0/24:/nfsroot
        #check
            mount -t nfs -onolock 10.1.1.1:/nfsroot /mnt
            mount | grep mnt
                10.1.1.1:/nfsroot on /mnt type nfs
                    (rw,nolock,vers=4,addr=10.1.1.1,clientaddr=10.1.1.1)
@client
    @required_packages
        apt-get install nfs-common
    @copy_files
        mount -t nfs -onolock 10.1.1.1:/nfsroot /mnt
        mount | grep nfs
            10.1.1.1:/nfsroot on /mnt type nfs
                (rw,nolock,vers=4,addr=10.1.1.1,clientaddr=10.1.1.2)
        cd mnt
        #copy files
            cp -prxv / /mnt
        #copy kernel
            mkdir /mnt/kernel
            cp -v /boot/vmlinuz-`uname -r` /mnt/kernel/
        #copy /dev special files
            #cp -ax /dev/. /mnt/dev/.
    @make_netboot_kernel
        vim /etc/initramfs-tools/initramfs.conf
            #MODULES=most
            MODULES=netboot
            #BOOT=local
            BOOT=nfs
    #create initramfs image with changed options
        mkinitramfs -o /mnt/kernel/initrd.img-`uname -r`
    #change initramfs options back
        #to NOT fuck up installed system
    #check (perl is here to format output, is NOT needed to check)
        ls -al /mnt/kernel/ | perl -lane 'print $F[4]." ".$F[8]. ""'
               4096 .
               4096 ..
            3344874 initrd.img-3.13.0-32-generic
            5798112 vmlinuz-3.13.0-32-generic
@server
    cp -v /mnt/kernel/* /tftpboot/
    vim /nfsroot/etc/network/interfaces
        auto eth1
        iface eth1 inet static
                address 10.1.1.2
                netmask 255.255.255.0
    vim /nfsroot/etc/fstab
        # <file system> <mount point>   <type>  <options>       <dump>  <pass>
        proc            /proc           proc    defaults        0       0
        /dev/nfs        /               nfs     defaults        1       1
        none            /tmp            tmpfs   defaults        0       0
        none            /var/run        tmpfs   defaults        0       0
        none            /var/lock       tmpfs   defaults        0       0
        none            /var/tmp        tmpfs   defaults        0       0
        none            /dev            tmpfs   defaults        0       0
        none            /var/lib/dhcp   tmpfs   defaults        0       0
    vim /nfsroot/etc/init/failsafe.conf
        #sleep 20
        #sleep 40
        #sleep 59