I tried that bu I got this Error
[2017-07-03T15:07:31,473][INFO ][o.e.n.Node ] [ELK-test-1] initializing ...
[2017-07-03T15:07:31,648][INFO ][o.e.e.NodeEnvironment ] [ELK-test-1] using [1] data paths, mounts [[/ (/dev/mapper/vg_system-Lv_root)]], net usable_space [44.7gb], net total_space [55.5gb], spins? [possibly], types [ext4]
[2017-07-03T15:07:31,649][INFO ][o.e.e.NodeEnvironment ] [ELK-test-1] heap size [1.9gb], compressed ordinary object pointers [true]
[2017-07-03T15:07:31,674][INFO ][o.e.n.Node ] [ELK-test-1] node name [ELK-test-1], node ID [IdrZ8HDkQiiUQkgg9ZSR-g]
[2017-07-03T15:07:31,675][INFO ][o.e.n.Node ] [ELK-test-1] version[5.4.1], pid[39220], build[2cfe0df/2017-05-29T16:05:51.443Z], OS[Linux/2.6.32-573.7.1.el6.x86_64/amd64], JVM[Oracle Corporation/OpenJDK 64-Bit Server VM/1.8.0_131/25.131-b11]
[2017-07-03T15:07:31,675][INFO ][o.e.n.Node ] [ELK-test-1] JVM arguments [-Xms2g, -Xmx2g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -XX:+DisableExplicitGC, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djna.nosys=true, -Djdk.io.permissionsUseCanonicalPath=true, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimization=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Dlog4j.skipJansi=true, -XX:+HeapDumpOnOutOfMemoryError, -Des.path.home=/home/elk/Elasticsearch/elasticsearch-5.4.1]
[2017-07-03T15:07:32,667][INFO ][o.e.p.PluginsService ] [ELK-test-1] loaded module [aggs-matrix-stats]
[2017-07-03T15:07:32,667][INFO ][o.e.p.PluginsService ] [ELK-test-1] loaded module [ingest-common]
[2017-07-03T15:07:32,667][INFO ][o.e.p.PluginsService ] [ELK-test-1] loaded module [lang-expression]
[2017-07-03T15:07:32,667][INFO ][o.e.p.PluginsService ] [ELK-test-1] loaded module [lang-groovy]
[2017-07-03T15:07:32,668][INFO ][o.e.p.PluginsService ] [ELK-test-1] loaded module [lang-mustache]
[2017-07-03T15:07:32,668][INFO ][o.e.p.PluginsService ] [ELK-test-1] loaded module [lang-painless]
[2017-07-03T15:07:32,668][INFO ][o.e.p.PluginsService ] [ELK-test-1] loaded module [percolator]
[2017-07-03T15:07:32,668][INFO ][o.e.p.PluginsService ] [ELK-test-1] loaded module [reindex]
[2017-07-03T15:07:32,668][INFO ][o.e.p.PluginsService ] [ELK-test-1] loaded module [transport-netty3]
[2017-07-03T15:07:32,668][INFO ][o.e.p.PluginsService ] [ELK-test-1] loaded module [transport-netty4]
[2017-07-03T15:07:32,669][INFO ][o.e.p.PluginsService ] [ELK-test-1] no plugins loaded
[2017-07-03T15:07:34,552][INFO ][o.e.d.DiscoveryModule ] [ELK-test-1] using discovery type [zen]
[2017-07-03T15:07:35,151][INFO ][o.e.n.Node ] [ELK-test-1] initialized
[2017-07-03T15:07:35,151][INFO ][o.e.n.Node ] [ELK-test-1] starting ...
[2017-07-03T15:07:35,351][INFO ][o.e.t.TransportService ] [ELK-test-1] publish_address {10.85.51.56:9300}, bound_addresses {10.85.51.56:9300}
[2017-07-03T15:07:35,360][INFO ][o.e.b.BootstrapChecks ] [ELK-test-1] bound or publishing to a non-loopback or non-link-local address, enforcing bootstrap checks
ERROR: [4] bootstrap checks failed
[1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
[2]: max number of threads [1024] for user [elk] is too low, increase to at least [2048]
[3]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
[4]: system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk
[2017-07-03T15:07:35,367][INFO ][o.e.n.Node ] [ELK-test-1] stopping ...
[2017-07-03T15:07:35,400][INFO ][o.e.n.Node ] [ELK-test-1] stopped
[2017-07-03T15:07:35,401][INFO ][o.e.n.Node ] [ELK-test-1] closing ...
[2017-07-03T15:07:35,412][INFO ][o.e.n.Node ] [ELK-test-1] closed