create ssh keys so you can do ssh localhost without a password
ie ssh-keygen 
then cp ~/.ssh/id_rsa.pub authorized_keys

apt-get install -y git-core
apt-get install -y gcc g++
apt-get install -y ccache
apt-get install -y libreadline-dev
apt-get install -y bison flex
apt-get install -y zlib1g-dev
apt-get install -y openssl libssl-dev
apt-get install -y libpam-dev
apt-get install -y libcurl4-dev
apt-get install -y libbz2-dev
apt-get install -y python-dev
apt-get install -y ssh
apt-get install -y libapr1-dev
apt-get install -y libevent-dev
apt-get install -y libxml2-dev
apt-get install -y libperl-dev

apt-get install -y libcurl4-dev
Package libcurl4-dev is a virtual package provided by:
libcurl4-openssl-dev 7.38.0-4+deb8u2
libcurl4-nss-dev 7.38.0-4+deb8u2
libcurl4-gnutls-dev 7.38.0-4+deb8u2

apt-get install -y python-pip

pip install lockfile
pip install paramiko
pip install setuptools
pip install psutil
Note: debian8 required pip install --pre psutil

sysctl.conf 
kernel.shmmax = 500000000
kernel.shmmni = 4096
kernel.shmall = 4000000000
kernel.sem = 250 512000 100 2048
kernel.sysrq = 1
kernel.core_uses_pid = 1
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.msgmni = 2048
net.ipv4.tcp_syncookies = 1
net.ipv4.ip_forward = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_max_syn_backlog = 4096
net.ipv4.conf.all.arp_filter = 1
net.ipv4.ip_local_port_range = 1025 65535
net.core.netdev_max_backlog = 10000
net.core.rmem_max = 2097152
net.core.wmem_max = 2097152
vm.overcommit_memory = 2

limits.conf
* soft nofile 65536
* hard nofile 65536
* soft nproc 131072
* hard nproc 131072