Hello Juan,
I followed as per given your instruction but sorry fails!
-vm:~$ sudo mv /opt/bitnami/elasticsearch/plugins/elasticsearch-head-master /home/bitnami/backup/
-vm:~$ sudo /opt/bitnami/ctlscript.sh restart elasticsearch
Unmonitored elasticsearch
/opt/bitnami/elasticsearch/scripts/ctl.sh : elasticsearch not running
LOG FILE CONTENT:
[2018-02-16T10:00:04,227][INFO ][o.e.n.Node ] [] initializing ...
[2018-02-16T10:00:04,673][INFO ][o.e.e.NodeEnvironment ] [ZWzBmnm] using [1] data paths, mounts [[/ (rootfs)]], net usable_space [6.3gb], net total_space [9.7gb], ty$
[2018-02-16T10:00:04,679][INFO ][o.e.e.NodeEnvironment ] [ZWzBmnm] heap size [247.6mb], compressed ordinary object pointers [true]
[2018-02-16T10:00:04,896][INFO ][o.e.n.Node ] node name [ZWzBmnm] derived from node ID [ZWzBmnmhRyuQwYHl2pFMvA]; set [node.name] to override
[2018-02-16T10:00:04,897][INFO ][o.e.n.Node ] version[6.1.1], pid[24911], build[bd92e7f/2017-12-17T20:23:25.338Z], OS[Linux/3.16.0-4-amd64/amd64], JVM[Ora$
[2018-02-16T10:00:04,897][INFO ][o.e.n.Node ] JVM arguments [-Xms1g, -Xmx1g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSIn$
[2018-02-16T10:00:08,215][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [aggs-matrix-stats]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [analysis-common]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [ingest-common]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [lang-expression]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [lang-mustache]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [lang-painless]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [mapper-extras]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [parent-join]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [percolator]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [reindex]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [repository-url]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [transport-netty4]
[2018-02-16T10:00:08,216][INFO ][o.e.p.PluginsService ] [ZWzBmnm] loaded module [tribe]
[2018-02-16T10:00:08,217][INFO ][o.e.p.PluginsService ] [ZWzBmnm] no plugins loaded
[2018-02-16T10:00:14,681][INFO ][o.e.d.DiscoveryModule ] [ZWzBmnm] using discovery type [zen]
[2018-02-16T10:00:16,515][INFO ][o.e.n.Node ] initialized
[2018-02-16T10:00:16,517][INFO ][o.e.n.Node ] [ZWzBmnm] starting ...
[2018-02-16T10:00:17,010][INFO ][o.e.t.TransportService ] [ZWzBmnm] publish_address {35.192.211.136:9300}, bound_addresses {[::]:9300}
[2018-02-16T10:00:17,065][INFO ][o.e.b.BootstrapChecks ] [ZWzBmnm] bound or publishing to a non-loopback or non-link-local address, enforcing bootstrap checks
[2018-02-16T10:00:20,257][INFO ][o.e.c.s.MasterService ] [ZWzBmnm] zen-disco-elected-as-master ([0] nodes joined), reason: new_master {ZWzBmnm}{ZWzBmnmhRyuQwYHl2pFMv$
[2018-02-16T10:00:20,307][INFO ][o.e.c.s.ClusterApplierService] [ZWzBmnm] new_master {ZWzBmnm}{ZWzBmnmhRyuQwYHl2pFMvA}{OVfnh7Y2T7WS_WC3DH1Wtg}{35.192.211.136}{35.192.21$
[2018-02-16T10:00:20,974][INFO ][o.e.h.n.Netty4HttpServerTransport] [ZWzBmnm] publish_address {35.192.211.136:9200}, bound_addresses {[::]:9200}
[2018-02-16T10:00:20,974][INFO ][o.e.n.Node ] [ZWzBmnm] started
[2018-02-16T10:00:20,973][INFO ][o.e.m.j.JvmGcMonitorService] [ZWzBmnm] [gc][4] overhead, spent [580ms] collecting in the last [1.2s]
[2018-02-16T10:00:21,833][INFO ][o.e.g.GatewayService ] [ZWzBmnm] recovered [3] indices into cluster_state
[2018-02-16T10:00:23,392][INFO ][o.e.c.r.a.AllocationService] [ZWzBmnm] Cluster health status changed from [RED] to [YELLOW] (reason: [shards started [[cute_car][1]] ..$
Thanks,
Subrata Nandi