nohup ./elasticsearch & 可以後臺開啟elasticsearch服務

ps-ef列出所有進程

ps-ef | grep elastic...查找elastic。。的進程

kill 進程數字（如：1932，對應java開頭的進程）

例子如下：

login as: elasticsearch

[email protected] password:

Last login: Wed Sep 21 11:29:06 2016 from 172.16.42.225

[[email protected] ~]$ cd elasticsearch

[[email protected] elasticsearch]$ cd bin

[[email protected] bin]$ ps -ef | grep elas

root 1233 1646 0 10:26 ? 00:00:00 sshd: elasticsearch [priv]

500 1237 1233 0 10:26 ? 00:00:00 sshd: [email protected]/2

500 2468 1 23 11:30 ? 00:00:16 /usr/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=/usr/elasticsearch/elasticsearch -cp /usr/elasticsearch/elasticsearch/lib/elasticsearch-2.1.1.jar:/usr/elasticsearch/elasticsearch/lib/* org.elasticsearch.bootstrap.Elasticsearch start

root 2567 1646 0 11:30 ? 00:00:00 sshd: elasticsearch [priv]

500 2572 2567 0 11:31 ? 00:00:00 sshd: [email protected]/0

500 2598 2573 0 11:31 pts/0 00:00:00 grep elas

[[email protected] bin]$ kill 2468

[[email protected] bin]$ nohup ./elasticsearch &

[1] 2608

[[email protected]