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pre-req.sh
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pre-req.sh
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#!/bin/bash
sudo wget -nv http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.6.2.0/ambari.repo -O /etc/yum.repos.d/ambari.repo
systemctl stop firewalld
systemctl disable firewalld
chkconfig iptables off
chkconfig ip6tables off
chkconfig ntpd on
echo never > /sys/kernel/mm/transparent_hugepage/defrag
echo never > /sys/kernel/mm/transparent_hugepage/enabled
sysctl -w net.ipv6.conf.all.disable_ipv6=1
sysctl -w net.ipv6.conf.default.disable_ipv6=1
service tuned stop
sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/sysconfig/selinux
sed -i 's/SELINUX=permissive/SELINUX=disabled/' /etc/sysconfig/selinux
sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config
sed -i 's/SELINUX=permissive/SELINUX=disabled/' /etc/selinux/config
setenforce 0
sudo su -c 'cat >>/etc/sysctl.conf <<EOL
net.ipv6.conf.all.disable_ipv6 =1
net.ipv6.conf.default.disable_ipv6 =1
net.ipv6.conf.lo.disable_ipv6 =1
EOL'
sudo su -c 'cat >>/etc/rc.local <<EOL
if test -f /sys/kernel/mm/transparent_hugepage/enabled; then
echo never > /sys/kernel/mm/transparent_hugepage/enabled
fi
if test -f /sys/kernel/mm/transparent_hugepage/defrag; then
echo never > /sys/kernel/mm/transparent_hugepage/defrag
fi
exit 0
EOL'
sysctl vm.swappiness=1
sudo su -c 'cat >>/etc/sysctl.conf <<EOL
'vm.swappiness=1'
EOL'
sudo yum install ambari-server -y
reboot