Fix list and clush fixes

fixes-via-clush.txt

Fix list from cluster-audit.sh findings:

Push mapr repos from node1 to all others.
Yum install dstat jq nmap nc tmux tuned vim xml2 zsh
Disable /etc/selinux/config and setenforce Permissive
chkconfig iptables off
echo 'vm.swappiness = 1' >> /etc/sysctl.conf
Not in tmpwatch: /tmp/hadoop-mapr/nm-local-dir
New hostname in /etc/sysconfig/network
Add all hosts to /etc/hosts
Edit /etc/security/limits.d/90-nproc.conf:*          soft    nproc     1024
* - nofiles 32K in /etc/security/limits.conf
mkdir /home/mapr; chown mapr:mapr /home/mapr; chmod 770 /home/mapr

Fix consistently on all nodes using clush:
  500  clush -l root -ab 'sysctl -a > sysctl-before-mapr.txt'
  502  clush -l root -ab 'head sysctl-before-mapr.txt'
  506  clush -l root -ab ls /etc/yum.repos.d
  510  clush -l root -ab -c mapr_core.repo --dest /etc/yum.repos.d
  511  clush -l root -ab -c mapr_ecosystem.repo --dest /etc/yum.repos.d
  512  clush -l root -ab -c mapr_installer.repo --dest /etc/yum.repos.d
  513  clush -l root -ab yum -y install dstat jq nmap nc tmux tuned vim xml2 zsh
  515  clush -l root -ab setenforce Permissive
  517  clush -l root -ab "sed -i.bak 's/enforcing/permissive/' /etc/selinux/config"
  518  clush -l root -ab grep SELINUX /etc/selinux/config
  519  clush -l root -ab chkconfig iptables off
  520  clush -l root -ab "echo 'vm.swappiness = 1' >> /etc/sysctl.conf"
  clush -l root -ab "sed -i.bak '/ \/tmp$/s/10d \/tmp/-x \/tmp\/hadoop-mapr\/nm-local-dir 10d \/tmp/' /etc/cron.daily/tmpwatch"
  533  clush -l root -ab 'host=${HOSTNAME%A}; host=${host,,}; sed -i.bak "s/HOSTNAME=.*/HOSTNAME=$host/" /etc/sysconfig/network'
  535  clush -l root -abc hosts --dest /etc/hosts
  536  clush -l root -ab "sed -i.bak '/1024/{s/1024/32768/;s/soft/-/}' /etc/security/limits.d/90-nproc.conf"
  538  clush -l root -ab "echo '* - nofile 32768' >> /etc/security/limits.conf"
  539  clush -l root -ab "mkdir /home/mapr; chown mapr:mapr /home/mapr; chown 770 /home/mapr"
  540  clush -l root -ab reboot