Rapporto Tecnico, Anno 7, n° 42 maggio 2012 3 Back-end server Java applications (tomcat container) are hosted by back-end server, i.e., repository, viewer, solr, image server and OAI-PMH provider. 3.1 Operating System • DNS records fc1.to.cnr.it A A 150.145.48.41 2a00:1620::41 • Virtual machine creation 2CPU / 2GB RAM / 8GB HD / 2 eth (DMZ, VLAN2) • Ubuntu server 10.04 LTS installation from CDROM default partitioning (root/swap) • Network interfaces configuration nano -w /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 150.145.48.41 netmask 255.255.255.0 network 150.145.48.0 broadcast 150.145.48.255 gateway 150.145.48.1 dns-nameservers 150.145.48.8 150.145.48.9 dns-search to.cnr.it iface eth0 inet6 static address 2a00:1620::41 netmask 64 gateway 2a00:1620::1 # Disable autoconf post-up echo 0 > /proc/sys/net/ipv6/conf/default/accept_ra post-up echo 0 > /proc/sys/net/ipv6/conf/all/accept_ra post-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra post-up echo 0 > /proc/sys/net/ipv6/conf/default/autoconf post-up echo 0 > /proc/sys/net/ipv6/conf/all/autoconf post-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/autoconf auto eth1 iface eth1 inet static address 192.168.1.41 netmask 255.255.255.0 network 192.168.1.0 broadcast 192.168.1.255 • NTP Client and other packages apt-get install ntp nano -w /etc/ntp.conf server ntp1.inrim.it server ntp2.inrim.it /etc/init.d/ntp restart apt-get install unzip apt-get install git-core apt-get install tofrodos apt-get install libtiff-tools • OS update apt-get update apt-get upgrade reboot 11