Unable to install elasticsearch 5.5
While executing ./elasticsearch got the below error
Could you please guide the further
$ ./elasticsearch
[2017-07-31T08:42:26,945][INFO ][o.e.n.Node ] [] initializing ...
[2017-07-31T08:42:27,009][INFO ][o.e.e.NodeEnvironment ] [G2kbZvn] using [1] data paths, mounts [[/ (/dev/xvda1)]], net usable_space [96.5gb], net total_space [98.3gb], spins? [no], types [ext4]
[2017-07-31T08:42:27,010][INFO ][o.e.e.NodeEnvironment ] [G2kbZvn] heap size [1.9gb], compressed ordinary object pointers [true]
[2017-07-31T08:42:27,011][INFO ][o.e.n.Node ] node name [G2kbZvn] derived from node ID [G2kbZvnVSsKtZA1zmwUmiA]; set [node.name] to override
[2017-07-31T08:42:27,011][INFO ][o.e.n.Node ] version[5.5.0], pid[2854], build[260387d/2017-06-30T23:16:05.735Z], OS[Linux/4.9.38-16.33.amzn1.x86_64/amd64], JVM[Oracle Corporation/Java HotSpot(TM) 64-Bit Server VM/1.8.0_141/25.141-b15]
[2017-07-31T08:42:27,011][INFO ][o.e.n.Node ] 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=/opt/elasticsearch-5.5.0]
[2017-07-31T08:42:27,822][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [aggs-matrix-stats]
[2017-07-31T08:42:27,822][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [ingest-common]
[2017-07-31T08:42:27,822][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [lang-expression]
[2017-07-31T08:42:27,822][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [lang-groovy]
[2017-07-31T08:42:27,823][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [lang-mustache]
[2017-07-31T08:42:27,823][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [lang-painless]
[2017-07-31T08:42:27,823][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [parent-join]
[2017-07-31T08:42:27,823][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [percolator]
[2017-07-31T08:42:27,823][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [reindex]
[2017-07-31T08:42:27,824][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [transport-netty3]
[2017-07-31T08:42:27,824][INFO ][o.e.p.PluginsService ] [G2kbZvn] loaded module [transport-netty4]
[2017-07-31T08:42:27,824][INFO ][o.e.p.PluginsService ] [G2kbZvn] no plugins loaded
[2017-07-31T08:42:29,673][INFO ][o.e.d.DiscoveryModule ] [G2kbZvn] using discovery type [zen]
[2017-07-31T08:42:30,149][INFO ][o.e.n.Node ] initialized
[2017-07-31T08:42:30,150][INFO ][o.e.n.Node ] [G2kbZvn] starting ...
[2017-07-31T08:42:30,284][INFO ][o.e.t.TransportService ] [G2kbZvn] publish_address {127.0.0.1:9300}, bound_addresses {[::1]:9300}, {127.0.0.1:9300}
[2017-07-31T08:42:30,295][WARN ][o.e.b.BootstrapChecks ] [G2kbZvn] max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
[2017-07-31T08:42:30,295][WARN ][o.e.b.BootstrapChecks ] [G2kbZvn] max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
[2017-07-31T08:42:33,346][INFO ][o.e.c.s.ClusterService ] [G2kbZvn] new_master {G2kbZvn}{G2kbZvnVSsKtZA1zmwUmiA}{GCxAkFiERVi3DmKneNxr9Q}{127.0.0.1}{127.0.0.1:9300}, reason: zen-disco-elected-as-master ([0] nodes joined)
[2017-07-31T08:42:33,374][INFO ][o.e.h.n.Netty4HttpServerTransport] [G2kbZvn] publish_address {127.0.0.1:9200}, bound_addresses {[::1]:9200}, {127.0.0.1:9200}
[2017-07-31T08:42:33,375][INFO ][o.e.n.Node ] [G2kbZvn] started
[2017-07-31T08:42:33,377][INFO ][o.e.g.GatewayService ] [G2kbZvn] recovered [0] indices into cluster_state
^C[2017-07-31T08:42:56,942][INFO ][o.e.n.Node ] [G2kbZvn] stopping ...
[2017-07-31T08:42:56,977][INFO ][o.e.n.Node ] [G2kbZvn] stopped
[2017-07-31T08:42:56,977][INFO ][o.e.n.Node ] [G2kbZvn] closing ...
[2017-07-31T08:42:56,985][INFO ][o.e.n.Node ] [G2kbZvn] closed