| #!/bin/bash | |
| set -e | |
| apt-get install -y curl python-setuptools python-pip python-dev python-protobuf | |
| # zookeeper | |
| apt-get install -y zookeeperd | |
| echo 1 | dd of=/var/lib/zookeeper/myid |
Ambari uses a local postgres db by default.This page describes how to use ambari-server with remote postgres server.
Ambari is installed on centos 6.4 with the following command:
curl -so /etc/yum.repos.d/ambari.repo http://public-repo-1.hortonworks.com/ambari/centos6/1.x/GA/ambari.repo
yum repolist
yum -y install ambari-server
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😙 :kissing_smiling_eyes: |
😛 :stuck_out_tongue: |
| #!/bin/bash | |
| UP=$(pgrep mysql | wc -l); | |
| if [ "$UP" -ne 1 ]; | |
| then | |
| echo "MySQL is down."; | |
| sudo service mysql start | |
| else | |
| echo "All is well."; | |
| fi |
| package recfun | |
| import scala.collection.mutable.ListBuffer | |
| import common._ | |
| /** https://class.coursera.org/progfun-2012-001/assignment/view?assignment_id=4 */ | |
| object Main { | |
| def main(args: Array[String]) { | |
| println("Pascal's Triangle") | |
| for (row <- 0 to 10) { |
| // see https://gist.github.com/2382341 | |
| // scalaz for only solution3 | |
| import scalaz._ | |
| import Scalaz._ | |
| object SolutionForMultiNestedMatchforMyStudy { | |
| def f(num: Int): Option[Int] = { | |
| num match { |
