user1@server1:~$ sudo systemctl start elasticsearch.service
Job for elasticsearch.service failed because a timeout was exceeded.
See "systemctl status elasticsearch.service" and "journalctl -xe" for details.


user1@server1:~$ systemctl status elasticsearch.service
● elasticsearch.service - Elasticsearch
   Loaded: loaded (/usr/lib/systemd/system/elasticsearch.service; enabled; vendor preset: enabled)
   Active: failed (Result: timeout) since Fri 2020-03-06 19:30:18 UTC; 10min ago
     Docs: http://www.elastic.co
  Process: 2466 ExecStart=/usr/share/elasticsearch/bin/elasticsearch -p ${PID_DIR}/elasticsearch.pid --quiet (code=exited, status=143)
 Main PID: 2466 (code=exited, status=143)

Mar 06 19:28:41 server1 systemd[1]: Starting Elasticsearch...
Mar 06 19:28:49 server1 elasticsearch[2466]: OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be r
Mar 06 19:30:12 server1 systemd[1]: elasticsearch.service: Start operation timed out. Terminating.
Mar 06 19:30:18 server1 systemd[1]: elasticsearch.service: Failed with result 'timeout'.
Mar 06 19:30:18 server1 systemd[1]: Failed to start Elasticsearch.


user1@server1:~$ journalctl -xe
Mar 06 19:24:55 server1 sudo[2315]: user1 : TTY=pts/0 ; PWD=/home/user1 ; USER=root ; COMMAND=/bin/cat /var/log/elasticsearch/elasticsearch.log
Mar 06 19:24:55 server1 sudo[2315]: pam_unix(sudo:session): session opened for user root by user1(uid=0)
Mar 06 19:24:55 server1 sudo[2315]: pam_unix(sudo:session): session closed for user root
Mar 06 19:27:56 server1 sudo[2344]: user1 : TTY=pts/0 ; PWD=/home/user1 ; USER=root ; COMMAND=/usr/bin/apt-get remove apt-transport-https
Mar 06 19:27:56 server1 sudo[2344]: pam_unix(sudo:session): session opened for user root by user1(uid=0)
Mar 06 19:28:00 server1 systemd[1]: Starting Cleanup of Temporary Directories...
-- Subject: Unit systemd-tmpfiles-clean.service has begun start-up
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit systemd-tmpfiles-clean.service has begun starting up.
Mar 06 19:28:02 server1 systemd[1]: Started Cleanup of Temporary Directories.
-- Subject: Unit systemd-tmpfiles-clean.service has finished start-up
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit systemd-tmpfiles-clean.service has finished starting up.
--
-- The start-up result is RESULT.
Mar 06 19:28:14 server1 sudo[2344]: pam_unix(sudo:session): session closed for user root
Mar 06 19:28:31 server1 sudo[2430]: user1 : TTY=pts/0 ; PWD=/home/user1 ; USER=root ; COMMAND=/usr/bin/apt-get autoremove
Mar 06 19:28:31 server1 sudo[2430]: pam_unix(sudo:session): session opened for user root by user1(uid=0)
Mar 06 19:28:32 server1 sudo[2430]: pam_unix(sudo:session): session closed for user root
Mar 06 19:28:41 server1 sudo[2463]: user1 : TTY=pts/0 ; PWD=/home/user1 ; USER=root ; COMMAND=/bin/systemctl start elasticsearch.service
Mar 06 19:28:41 server1 sudo[2463]: pam_unix(sudo:session): session opened for user root by user1(uid=0)
Mar 06 19:28:41 server1 systemd[1]: Starting Elasticsearch...
-- Subject: Unit elasticsearch.service has begun start-up
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit elasticsearch.service has begun starting up.
Mar 06 19:28:49 server1 elasticsearch[2466]: OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be r
Mar 06 19:30:12 server1 systemd[1]: elasticsearch.service: Start operation timed out. Terminating.
Mar 06 19:30:18 server1 systemd[1]: elasticsearch.service: Failed with result 'timeout'.
Mar 06 19:30:18 server1 systemd[1]: Failed to start Elasticsearch.
-- Subject: Unit elasticsearch.service has failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit elasticsearch.service has failed.
--
-- The result is RESULT.
Mar 06 19:30:22 server1 sudo[2463]: pam_unix(sudo:session): session closed for user root


user1@server1:~$ sudo cat /var/log/elasticsearch/elasticsearch.log
[2020-03-06T19:00:21,803][INFO ][o.e.e.NodeEnvironment    ] [server1] using [1] data paths, mounts [[/ (/dev/sda2)]], net usable_space [87.3gb], net total_space [97.9gb], types [ext4]
[2020-03-06T19:00:21,884][INFO ][o.e.e.NodeEnvironment    ] [server1] heap size [1007.3mb], compressed ordinary object pointers [true]
[2020-03-06T19:00:23,694][INFO ][o.e.n.Node               ] [server1] node name [server1], node ID [S3NtKWinRci8HY5ST9k-Gg], cluster name [elasticsearch]
[2020-03-06T19:00:23,695][INFO ][o.e.n.Node               ] [server1] version[7.6.1], pid[3325], build[default/deb/aa751e09be0a5072e8570670309b1f12348f023b/2020-02-29T00:15:25.529771Z], OS[Linux/4.15.0-88-generic/amd64], JVM[AdoptOpenJDK/OpenJDK 64-Bit Server VM/13.0.2/13.0.2+8]
[2020-03-06T19:00:23,695][INFO ][o.e.n.Node               ] [server1] JVM home [/usr/share/elasticsearch/jdk]
[2020-03-06T19:00:23,696][INFO ][o.e.n.Node               ] [server1] JVM arguments [-Des.networkaddress.cache.ttl=60, -Des.networkaddress.cache.negative.ttl=10, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djna.nosys=true, -XX:-OmitStackTraceInFastThrow, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimization=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dio.netty.allocator.numDirectArenas=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Djava.locale.providers=COMPAT, -Xms1g, -Xmx1g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -Djava.io.tmpdir=/tmp/elasticsearch-9653452736809996302, -XX:+HeapDumpOnOutOfMemoryError, -XX:HeapDumpPath=/var/lib/elasticsearch, -XX:ErrorFile=/var/log/elasticsearch/hs_err_pid%p.log, -Xlog:gc*,gc+age=trace,safepoint:file=/var/log/elasticsearch/gc.log:utctime,pid,tags:filecount=32,filesize=64m, -XX:MaxDirectMemorySize=536870912, -Des.path.home=/usr/share/elasticsearch, -Des.path.conf=/etc/elasticsearch, -Des.distribution.flavor=default, -Des.distribution.type=deb, -Des.bundled_jdk=true]