Cloudera Manager Hadoop部署前主机需要准备的配置

这篇文章主要介绍Cloudera Manager Hadoop部署前主机需要准备的配置，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

root用户下操作>>>主机名# hostname COLLECTOR01# vi /etc/sysconfig/network>>>Ip与主机名映射# vi /etc/hosts127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4192.168.211.11 COLLECTOR01>>>禁用IPv6# echo "alias net-pf-10 off" >> /etc/modprobe.d/dist.conf# echo "alias ipv6 off" >> /etc/modprobe.d/dist.conf>>>确认logonuser用户密码与其他机器设置一致，不一致修改# passwd logonuser>>>配置普通用户的sudo权限# vi /etc/sudoerslogonuser ALL=(root)NOPASSWD:ALL>>>关闭防火墙# service iptables stop# chkconfig iptables off>>>禁用Selinux# vi /etc/sysconfig/selinuxSELINUX=disabled>>>卸载JDK# rpm -qa|grep java# rpm -e --nodeps java-1.6.0-openjdk-1.6.0.0-1.45.1.11.1.el6.x86_64 tzdata-java-2012c-1.el6.noarch>>>文件打开数量$ ulimit -a >>>用户最大进程数、打开文件数$ ulimit -u>>>设置# vi /etc/security/limits.conf* soft nofile 65535* hard nofile 65535* soft nproc 32000* hard nproc 32000# vi /etc/security/limits.d/90-nproc.conf*          soft    nproc     32000>>>时间同步# vi /etc/ntp.confserver 192.168.26.11# service ntpd restart>>>查看同步结果# ntpstat>>>设置开机启动# chkconfig ntpd on>>>其他设置# sudo sysctl -w vm.swappiness=0# echo "vm.swappiness=0"  >> /etc/sysctl.conf# echo never > /sys/kernel/mm/redhat_transparent_hugepage/defrag# vi /etc/rc.localecho never > /sys/kernel/mm/redhat_transparent_hugepage/defrag>>>查询redhat原有的yum# rpm -qa |grep yum>>>删除redhat原有的yum# rpm -aq|grep yum|xargs rpm -e --nodeps# whereis yumyum: /etc/yum# rm -rf /etc/yum>>>安装yum的rpm包rpm -ivh /opt/disk/backup/soft/yum/python* --nodepsrpm -ivh /opt/disk/backup/soft/yum/yum* --nodeps>>>更改yum源# cd /etc/yum.repos.d/# rm -rf *# vi /etc/yum.repos.d/cloudera-manager.repo[cloudera-manager]name = Cloudera Manager, Version 5.3.6baseurl = http://COLLECTOR01/cm5/redhat/6/x86_64/cm/5/gpgcheck = 0

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