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--- projects:livenet:server [2018/03/12 23:24] – nicola
+++ projects:livenet:server [2018/03/21 11:56] (current) – [install livenet client package] scipio
@@ Line 1: / Line 1: @@
-===== Software richiesto =====
+===== Requirements =====
+** HW**: 2 nic device
-**Sistema operativo**: Ubuntu server 17.10
+**OS**: Ubuntu server 17.10
-apt install bash debootstrap schroot syslinux nfs-kernel-server tftpd-hpa xorriso pigz  zfsutils-linux
+<code>apt install bash debootstrap schroot syslinux nfs-kernel-server tftpd-hpa xorriso pigz  zfsutils-linux</code>
-**software facoltativo ma usato nel test**
+**Optional config**
+<code>apt install isc-dhcp-server </code>
+**network config **
+nano /etc/netplan/01-netcfg.yaml
+<code>
+# This file describes the network interfaces available on your system
+# For more information, see netplan(5).
+network:
+  version: 2
+  renderer: networkd
+  ethernets:
+    ens3:
+      dhcp4: no
+      addresses: [10.1.22.2/24]
+      gateway4: 192.168.122.1
+      nameservers:
+        addresses: [8.8.8.8,8.8.4.4]
+    ens4:
+      dhcp4: yes
+</code>
+<code>netplan apply</code>
+===== Build livenet environment =====
+==== Preparazione dell'ambiente zfs ====
+<code>zpool create livenet /dev/sdb</code>
+<code>zfs create livenet/images</code>
+<code>zfs create livenet/boot</code>
+Download package  git clone https://github.com/scipioni/livenet-server.git
+edit /etc/default/livenet like this
+<code>
+# folder that contains livenet system
+BASE=/livenet
+IMAGES=${BASE}/images
+BOOT=${BASE}/boot
+</code>
+==== Trivial FTP ====
+edit /etc/default/tftp-hpa
+<code>
+TFTP_USERNAME="tftp"
+TFTP_DIRECTORY="/zfsp_livenet/boot"
+TFTP_ADDRESS="0.0.0.0:69"
+TFTP_OPTIONS="--secure"
+</code>
+<code>mkdir /livenet/boot/pxelinux.cfg
+cp -a /usr/lib/syslinux/* /livenet/boot
+cp /livenet/boot/modules/efi64/* /livenet/boot </code>
+edit /livenet/boot/pxelinux.cfg/default
+<code>
+default menu.c32
+prompt 0
+#timeout 100
+menu title PXE Special Boot Menu
+MENU AUTOBOOT Starting Livenet in # seconds
+label bootlocal
+   menu label ^Boot local disk
+   menu default
+   localboot 0
+label nfs
+   menu label Ubuntu 18.04 - diskless
+   kernel /bionic/kernel
+   append initrd=/bionic/initrd ro livenet_root=10.1.22.2:/zfsp_livenet/images/bionic livenet_profile=default
+label nfs
+   menu label Ubuntu 14.04 - install
+   kernel /trusty/kernel
+   append initrd=/trusty/initrd ro livenet_root=10.0.254.240:/images/trusty livenet_profile=default livenet_action=install livenet_action_end=reboot
+</code>
+===== BUILD IMAGE CLIENT ====
+zfs create livenet/images/bionic
+debootstrap --arch amd64 bionic /zfsp_livenet/images/bionic/ http://archive.ubuntu.com/ubuntu
+cd /livenet/images
+run ....
+<code>
+R=bionic
+cat > ${R}/etc/hosts <<QWK
+.0.0.1   localhost livenet-host
+::1     localhost ip6-localhost ip6-loopback
+ff02::1     ip6-allnodes
+ff02::2     ip6-allrouters
+QWK
+chroot ${R} lsb_release -c | awk '{print $2}' > ${R}/etc/debian_chroot
+chroot bionic/
+chroot ${R} apt-get -y -q install locales dialog
+chroot ${R} locale-gen en_GB.UTF-8
+chroot ${R} locale-gen it_IT.UTF-8
+chroot ${R} update-locale LANG=it_IT.UTF-8 LANGUAGE=it:en_US:en
+echo Europe/Rome > ${R}/etc/timezone
+cp ${R}/usr/share/zoneinfo/Europe/Rome ${R}/etc/localtime
+cat > ${R}/usr/sbin/policy-rc.d <<QWE
+#!/bin/sh
+# dpkg/apt not start any daemons when things are installed in the chroot
+if [ ! "\\\`cat /etc/hostname\\\`" = "\\\`hostname\\\`" ]; then
+    exit 101
+fi
+QWE
+chmod +x ${R}/usr/sbin/policy-rc.d
+</code>
+<code>mount --bind /zfsp_livenet/images/bionic/boot/ /zfsp_livenet/boot/bionic</code>
+<code>
+DISTR=bionic
+cat > /etc/apt/sources.list <<QWE
+#############################################################
+################### OFFICIAL UBUNTU REPOS ###################
+#############################################################
+###### Ubuntu Main Repos
+deb http://archive.ubuntu.com/ubuntu/ ${DISTR} main restricted universe multiverse
+###### Ubuntu Update Repos
+deb http://archive.ubuntu.com/ubuntu/ ${DISTR}-security main restricted universe multiverse
+deb http://archive.ubuntu.com/ubuntu/ ${DISTR}-updates main restricted universe multiverse
+deb http://archive.ubuntu.com/ubuntu/ ${DISTR}-proposed main restricted universe multiverse
+deb http://archive.ubuntu.com/ubuntu/ ${DISTR}-backports main restricted universe multiverse
+###### Ubuntu Partner Repo
+deb http://archive.canonical.com/ubuntu ${DISTR} partner
+QWE
+</code>
+<code>
+apt update apt -y upgrade
+apt -y install initramfs-tools  python-passlib pv screen byobu lsof pigz rsync nfs-common libpam-script xloadimage conntrack
+</code>
+==== install livenet client package ====
+<code>
+# copiare /home/scipio/.netrv e /home/scipio/.gitconfig in <chroot>/root/
+cd /root
+git clone  https://github.com/scipioni/livenet-client.git
+cd livenet-client
+git checkout bionic
+mv .git /
+git status
+find / -maxdepth 1 > .gitignore
+</code>
+inside git directory
+<code>
+rsync -avb etc/ /etc/
+rsync -avb usr/ /usr/
+rsync -avb debian /
+rsync -avb README.md /
+apt-get -y install linux-generic
+</code>
+==== etc/initramfs-tools/hooks/livenet ====
+<code>
+#!/bin/sh -e
+# initramfs hook for livenet
+#set -x
+PREREQ=""
+# Output pre-requisites
+prereqs()
+{
+       echo "$PREREQ"
+}
+case "$1" in
+    prereqs)
+       prereqs
+       exit 0
+       ;;
+esac
+. /usr/share/initramfs-tools/hook-functions
+rm ${DESTDIR}/bin/cpio # importante! altrimenti rimane un cpio troppo semplificato
+copy_exec /bin/cpio /bin
+mkdir -p ${DESTDIR}/conf
+cp /etc/livenet/livenet.conf ${DESTDIR}/conf
+[ -f /etc/livenet/livenet.conf.override ] && cp /etc/livenet/livenet.conf.override ${DESTDIR}/conf
+cp /etc/initramfs-tools/scripts/functions-livenet ${DESTDIR}/conf
+manual_add_modules aufs
+manual_add_modules overlayfs
+auto_add_modules net
+auto_add_modules nfsv4
+# pulizia di firmware non necessario e pesante
+set +e
+rm -f ${DESTDIR}/lib/firmware/* >/dev/null 2>&1
+set -e
+### qui sotto andrebbe commentato in produzione ###
+# tastiera italiana in initram
+# attivata da do_debug_shell (loadkeys /etc/boottime.kmap.gz)
+#cp -au /etc/console-setup/cached.kmap.gz ${DESTDIR}/etc/boottime.kmap.gz
+# nfs4
+#copy_exec /usr/sbin/rpc.idmapd /bin
+#copy_exec /sbin/mount.nfs /bin
+#cp -au /etc/netconfig ${DESTDIR}/etc/netconfig
+#cat > ${DESTDIR}/etc/passwd <<EOF
+#nobody::65534:65534:nobody:/nonexistent:/bin/sh
+#EOF
+#cat > ${DESTDIR}/etc/group <<EOF
+#nogroup:x:65534:
+#EOF
+# debug purpose ################
+# ricordati di mettere FRAMEBUFFER=n in /etc/initramfs-tools/conf.d/splash
+#copy_exec /sbin/ifconfig
+#copy_exec /sbin/lsmod /bin
+#copy_exec /usr/bin/lspci /bin
+#################################
+# wireless #####################
+#copy_exec /sbin/iwconfig
+#copy_exec /sbin/iwlist
+#copy_exec /sbin/iwpriv
+#copy_exec /sbin/iwevent
+#copy_exec /sbin/iwgetid
+#copy_exec /sbin/iwspy
+#copy_exec /usr/sbin/rfkill
+#cp -au /lib/firmware/iwl*-[13].ucode ${DESTDIR}/lib/firmware
+#################################
+</code>
+===Rebuild initramfs image ===
+ln-mng --kernel
+===== DHCP =====
+==== Abilitare dhcpd su specifica scheda ====
+Editare la riga in
+/etc/default/isc-dhcp-server
+<code>INTERFACESv4="ens3"</code>
+==== Configurazione dhcpd ====
+editare il file /etc/dhcp/dhcpd.conf
+al termine service isc-dhcp-service restart
+<code>
+ddns-update-style none;
+authoritative;
+option domain-name              "livenet";
+option domain-name-servers      8.8.8.8;
+allow bootp;
+allow booting;
+option space PXE;
+# Code 1: Multicast IP address of bootfile
+option PXE.mtftp-ip code 1 = ip-address;
+# Code 2: UDP port that client should monitor for MTFTP responses
+option PXE.mtftp-cport code 2 = unsigned integer 16;
+# Code 3: UDP port that MTFTP servers are using to listen for MTFTP requests
+option PXE.mtftp-sport code 3 = unsigned integer 16;
+# Code 4: Number of secondes a client must listen for activity before trying
+#         to start a new MTFTP transfer
+option PXE.mtftp-tmout code 4 = unsigned integer 8;
+option PXE.mtftp-delay code 5 = unsigned integer 8;
+# Code 5: Number of secondes a client must listen before trying to restart
+#         a MTFTP transfer
+option PXE.discovery-control code 6 = unsigned integer 8;
+option PXE.discovery-mcast-addr code 7 = ip-address;
+set vendor-string = option vendor-class-identifier;
+class "PXE" {
+   match if substring(option vendor-class-identifier, 0, 9) = "PXEClient";
+   option vendor-class-identifier "PXEClient";
+   vendor-option-space PXE;
+   option PXE.mtftp-ip 0.0.0.0;
+}
+class "Etherboot" {
+   match if substring(option vendor-class-identifier, 0, 9) = "Etherboot";
+   option vendor-class-identifier "Etherboot";
+   vendor-option-space PXE;
+   option PXE.mtftp-ip 0.0.0.0;
+}
+class "LIVENET" {
+    match if (substring(option vendor-class-identifier,0,7) = "LIVENET") or (substring(option vendor-class-identifier,0,9) = "PXEClient") or (substring(option vendor-class-identifier,0,9) = "Etherboot");
+    log ( info, "Packet from PXE or LIVENET client");
+}
+shared-network "clients" {
+  subnet 10.1.22.0 netmask 255.255.255.0 {
+  option subnet-mask 255.255.255.0;
+  option routers 10.1.22.2;
+  #default-lease-time 28800;
+  #max-lease-time 86400;
+  pool {
+      # restringe il lease solo alla classe LIVENET
+      allow members of "LIVENET";
+      range 10.1.22.10 10.1.22.100;
+      filename "/pxelinux.0";
+      next-server 10.1.22.2;
+      }
+  }
+}
+</code>
- apt install isc-dhcp-server