wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.4.0.tar.gz
tar -xzf elasticsearch-6.4.0.tar.gz


cd elasticsearch-6.4.0

[vagrant@localhost elasticsearch-6.4.0]$ bin/elasticsearch-plugin install analysis-kuromoji
-> Downloading analysis-kuromoji from elastic
[=================================================] 100%  
-> Installed analysis-kuromoji

[vagrant@localhost elasticsearch-6.4.0]$ bin/elasticsearch
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00000000c5330000, 986513408, 0) failed; error=’Cannot allocate memory’ (errno=12)
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 986513408 bytes for committing reserved memory.
# An error report file with more information is saved as:
# logs/hs_err_pid17300.log