HDP 2.2 installation

1. yum -y install java-1.7.0-openjdk (option)
2. ulimit -Sn / ulimit -Hnconfigure FQDN at /etc/hosts, /etc/sysconfig/networks and using hostname command
   1. 65535
3. ssh-keygen (passwordless connection)
4. NTP yum -y install sudo (option)
   1. yum -y install ntp
   2. chkconfig ntpd on
   3. service ntpd start
5. THP
   1. check
      1. cat /sys/kernel/mm/redhat_transparent_hugepage/defrag
      2. cat /sys/kernel/mm/redhat_transparent_hugepage/enabled
   2. command and /etc/rc.local
      1. echo never > /sys/kernel/mm/redhat_transparent_hugepage/enabled
      2. echo never > /sys/kernel/mm/redhat_transparent_hugepage/defrag
6. permission (option)
   1. ambari
      1. /bin/hostname
      2. /usr/bin/sudo
   2. namenode
      1. /usr/bin/which
      2. /bin/ps
      3. /bin/df
   3. ambari metrics
      1. /usr/bin/gcc
      2. /usr/bin/ld
      3. /etc/centos-release
   4. yarn, MR2
      1. /tmp (check)
         1. /etc/fstab (default)
         2. /proc/mounts (current)
         3. mount -o remount,exec /tmp
      2. /usr/bin/curl
   5. knox
      1. /bin/netstat
7. Install ambari 2.0.1 (HDP)
1. http://mungeol-heo.blogspot.kr/2015/11/install-ambari-201-hdp.html
8. install and run services from ambari web