Centos6.5 Ambari样板机

Hadoop Ambari

字数统计: 419阅读时长: 2 min

 2017/09/19 

安装wget和openssh-server

1 2	yum -y install wget yum -y install openssh-server

安装阿里云的源

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mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo
yum makecache

禁用iptables

1 2	chkconfig iptables off /etc/init.d/iptables stop

禁用SELinux

1	setenforce 0

永久禁用SELinux

vi /etc/selinux/config
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#       enforcing - SELinux security policy is enforced.
#       permissive - SELinux prints warnings instead of enforcing.
#       disabled - SELinux is fully disabled.
SELINUX=disabled 
# SELINUXTYPE= type of policy in use. Possible values are:
#       targeted - Only targeted network daemons are protected.
#       strict - Full SELinux protection.
SELINUXTYPE=targeted

添加FQDN

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vim /etc/hosts
10.211.55.13 Hadoop-1
10.211.55.14 Hadoop-2

修改/etc/sysconfig/network下将HOSTNAME修改问本机的名称
通过hostname命令检查

配置无密码登陆

ssh-keygen -t rsa
ssh-copy-id localhost
ssh-copy-id Hadoop-1
ssh-copy-id Haddop-2

禁用THP

检查THP是否开启：

1 2	cat /sys/kernel/mm/transparent_hugepage/enabled cat /sys/kernel/mm/transparent_hugepage/defrag

禁用THP：

1 2	echo 'never' > /sys/kernel/mm/transparent_hugepage/enabled echo 'never' > /sys/kernel/mm/transparent_hugepage/defrag

永久禁用THP

编辑改服务：vim /etc/rc.d/rc.local

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

添加可执行权限:chmod +x /etc/rc.d/rc.local

安装NTP

执行命令：yum -y install ntp
配置 vim /etc/ntp.conf
使用如下位置来同步时钟

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1.cn.pool.ntp.org
2.cn.pool.ntp.org  prefer
ch.pool.ntp.org

重启服务 service ntpd restart
查看同步情况ntpd -q
加入到开机启动 chkconfig ntpd on

在主节点上设置和安装Ambari

cd /etc/yum.repo.d/
wget http://public-repo-1.hortonworks.com/ambari/centos6/2.x/updates/2.0.1/ambari.public-repo-1
yum make clean
yum list | grep ambari
yum install -y ambari-server
ambari-server setup
ambari-server start

通过web访问ambari的配置界面

http://10.211.55.13:8080/

原文作者：warvyvr, warvyvr@gmail.com

原文链接：http://warvyvr.github.io/2017/09/19/Hadoop-template-md/

发表日期：September 19th 2017, 7:26:11 am

更新日期：February 21st 2021, 5:25:04 pm

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CATALOG

1. 安装wget和openssh-server
2. 安装阿里云的源
3. 禁用iptables
4. 禁用SELinux
1. 4.1. 永久禁用SELinux
5. 添加FQDN
6. 配置无密码登陆
7. 禁用THP
1. 7.1. 永久禁用THP
8. 安装NTP
9. 在主节点上设置和安装Ambari
10. 通过web访问ambari的配置界面