Failed to start Elasticsearch. (code=exited, status=1/FAILURE)

Elastic Stack Elasticsearch
6 
[2020-02-05T11:16:52,643][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [gilang] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.IllegalStateException: failed to obtain node locks, tried [[/var/lib/elasticsearch]] with lock id [0]; maybe these locations are not writable or multiple nodes were started without increasing [node.max_local_storage_nodes] (was [1])?
    at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:163) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:150) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:125) ~[elasticsearch-cli-7.5.2.jar:7.5.2]
    at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:115) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) ~[elasticsearch-7.5.2.jar:7.5.2]
Caused by: java.lang.IllegalStateException: failed to obtain node locks, tried [[/var/lib/elasticsearch]] with lock id [0]; maybe these locations are not writable or multiple nodes were started without increasing [node.max_local_storage_nodes] (was [1])?
    at org.elasticsearch.env.NodeEnvironment.<init>(NodeEnvironment.java:299) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.node.Node.<init>(Node.java:273) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.node.Node.<init>(Node.java:253) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:241) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:241) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:369) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-7.5.2.jar:7.5.2] ...6 more
Caused by: java.io.IOException: failed to obtain lock on /var/lib/elasticsearch/nodes/0
    at org.elasticsearch.env.NodeEnvironment$NodeLock.<init>(NodeEnvironment.java:221) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.env.NodeEnvironment.<init>(NodeEnvironment.java:269) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.node.Node.<init>(Node.java:273) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.node.Node.<init>(Node.java:253) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:241) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:241) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:369) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-7.5.2.jar:7.5.2]
    ... 6 more

Caused by: java.nio.file.AccessDeniedException: /var/lib/elasticsearch/nodes/0/node.lock
    at sun.nio.fs.UnixException.translateToIOException(UnixException.java:90) ~[?:?]
    at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) ~[?:?]
    at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:116) ~[?:?]
    at sun.nio.fs.UnixFileSystemProvider.newFileChannel(UnixFileSystemProvider.java:182) ~[?:?]
    at java.nio.channels.FileChannel.open(FileChannel.java:292) ~[?:?]
    at java.nio.channels.FileChannel.open(FileChannel.java:345) ~[?:?]
    at org.apache.lucene.store.NativeFSLockFactory.obtainFSLock(NativeFSLockFactory.java:125) ~[lucene-core-8.3.0.jar:8.3.0 2aa586909b911e66e1d8863aa89f173d69f86cd2 - ishan - 2019-10-25 23:10:03]
    at org.apache.lucene.store.FSLockFactory.obtainLock(FSLockFactory.java:41) ~[lucene-core-8.3.0.jar:8.3.0 2aa586909b911e66e1d8863aa89f173d69f86cd2 - ishan - 2019-10-25 23:10:03]
    at org.apache.lucene.store.BaseDirectory.obtainLock(BaseDirectory.java:45) ~[lucene-core-8.3.0.jar:8.3.0 2aa586909b911e66e1d8863aa89f173d69f86cd2 - ishan - 2019-10-25 23:10:03]
    at org.elasticsearch.env.NodeEnvironment$NodeLock.<init>(NodeEnvironment.java:214) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.env.NodeEnvironment.<init>(NodeEnvironment.java:269) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.node.Node.<init>(Node.java:273) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.node.Node.<init>(Node.java:253) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:241) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:241) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:369) ~[elasticsearch-7.5.2.jar:7.5.2]
    at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:159) ~[elasticsearch-7.5.2.jar:7.5.2]
    ... 6 more