linux安装大数据相关软件

1.安装ipconfig

yum install net-tools.x86_64

2.安装wget

yum install wget

3.安装Scala

mkdir /usr/local/scala
mv scala-2.13.0.tgz /usr/local/scala
tar -zxvf scala-2.13.0.tgz
vim /etc/profile
#增加配置
export SCALA_HOME=/usr/local/scala/scala-2.13.0
export SCALA_PATH=${SCALA_HOME}/bin

export JAVA_HOME=/usr/local/java/jdk1.8
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH
export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin

export PATH=$PATH:${JAVA_PATH}:${SCALA_PATH}

. /etc/profile
scala -version

4.搭建zookeeper集群

mkdir /usr/local/zookeeper
mv zookeeper-3.4.6.tar.gz /usr/local/zookeeper
cd /usr/local/zookeeper
tar -zxvf zookeeper-3.4.6.tar.gz
cd zookeeper-3.4.6/conf/
cp zoo_sample.cfg zoo.cfg
vi zoo.cfg
###########配置文件内容############
# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
####此处需要修改
dataDir=/data/zookeeper
# the port at which the clients will connect
clientPort=2181
####此处需要新增，
server.1=bigdata1:2888:3888
server.2=bigdata2:2888:3888
server.3=bigdata3:2888:3888
############配置文件结束#############
mkdir -p /data/zookeeper
cd /data/zookeeper
echo 1 > myid

vi /etc/profile
######追加内容#######
export ZOOKEEPER_HOME=/usr/local/zookeeper/zookeeper-3.4.6
export ZOOKEEPER_PATH=${ZOOKEEPER_HOME}/bin
######追加内容#######
. /etc/profile
#启动zookeeper
zkServer.sh start

修改主机名

vi /etc/hosts
#########文件内容########
192.168.162.11 bigdata1
192.168.162.12 bigdata2
192.168.162.13 bigdata3

安装telnet

yum install telnet

问题：

telnet虚拟机No route to host的解决方法
知道虚拟机的ip地址，而且可以ping的通
但是telnet连不通

解决方案

把虚拟机中的防火墙清一下

sudo iptables -F