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apt-get update
and then apt-get install emacs nfs-kernel-server tightvncserver libfftw3-dev python iftop iotop wireshark make automake build-essential gfortran x11vnc nfs-kernel-server nfs-common gparted pkg-config g++ gfortran bison flex libexpat1-dev fftw3-dev autoconf automake libtool build-essential pgplot5 subversion libopenmpi-dev openmpi-bin rpcbind ethtool libpng-dev
<code> net.core.wmem_max=201326592 net.core.rmem_max=1073741824 net.ipv4.conf.all.arp_filter = 1 net.core.netdev_max_backlog = 20971752 net.ipv4.udp_mem = “65536 131072 262144” net.core.optmem_max = 50331648 vfs_cache_pressure = 50 vm.min_free_kbytes = 1048576 kernel.perf_event_max_sample_rate=10000 <\code>