Hadoop “Unable to load native-hadoop library for your platform” warning

Question

I\'m currently configuring hadoop on a server running CentOs. When I run start-dfs.sh or stop-dfs.sh, I get the following error:

Answer 1

export HADOOP_HOME=/home/hadoop/hadoop-2.4.1  
export PATH=$HADOOP_HOME/bin:$PATH  
export HADOOP_PREFIX=$HADOOP_HOME  
export HADOOP_COMMON_HOME=$HADOOP_PREFIX  
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_PREFIX/lib/native  
export HADOOP_CONF_DIR=$HADOOP_PREFIX/etc/hadoop  
export HADOOP_HDFS_HOME=$HADOOP_PREFIX  
export HADOOP_MAPRED_HOME=$HADOOP_PREFIX  
export HADOOP_YARN_HOME=$HADOOP_PREFIX  
export JAVA_LIBRARY_PATH=$HADOOP_HOME/lib/native:$JAVA_LIBRARY_PATH