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进入到es的安装目录下的bin目录，使用命令：./elasticsearch -d 以后端进程的方式进行启动

​[hd-es@localhost bin]$ ./elasticsearch -d[hd-es@localhost bin]$ ps -ef|grep elasticsearchhd-es      7132      1 20 14:28 pts/0    00:00:05 /usr/local/java/jdk1.8.0_171/bin/java -Xms256m -Xmx1g -Djava.awt.headless=true -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+HeapDumpOnOutOfMemoryError -XX:+DisableExplicitGC -Dfile.encoding=UTF-8 -Djna.nosys=true -Des.path.home=/home/hd-es/elasticsearch-2.4.5 -cp /home/hd-es/elasticsearch-2.4.5/lib/elasticsearch-2.4.5.jar:/home/hd-es/elasticsearch-2.4.5/lib/* org.elasticsearch.bootstrap.Elasticsearch start -dhd-es      7199   3124  0 14:28 pts/0    00:00:00 grep --color=auto elasticsearch[hd-es@localhost bin]$ netstat -nlp|grep 7132(Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.)tcp6       0      0 :::9200                 :::*                    LISTEN      7132/java           tcp6       0      0 :::9300                 :::*                    LISTEN      7132/java           [hd-es@localhost bin]$ jps7222 Jps7132 Elasticsearch[hd-es@localhost bin]$ ​

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