How to install Elasticsearch on Debian 12

Step 5: Update the system packages by using following command.

root@linuxhelp:~# apt update
Get:1 https://artifacts.elastic.co/packages/8.x/apt stable InRelease [10.4 kB]
Hit:2 http://deb.debian.org/debian bookworm InRelease                          
Hit:3 http://security.debian.org/debian-security bookworm-security InRelease   
Hit:4 http://deb.debian.org/debian bookworm-updates InRelease
Get:5 https://artifacts.elastic.co/packages/8.x/apt stable/main amd64 Packages [104 kB]
Fetched 115 kB in 1s (140 kB/s)   
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
130 packages can be upgraded. Run 'apt list --upgradable' to see them.
W: https://artifacts.elastic.co/packages/8.x/apt/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

Step 6: Install Elasticsearch by using following command.

root@linuxhelp:~# apt install elasticsearch
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following packages were automatically installed and are no longer required:
  libc-ares2 libgrpc++1.51 libgrpc29 libprotoc32 libre2-9
Use 'apt autoremove' to remove them.
The following NEW packages will be installed:
  elasticsearch
0 upgraded, 1 newly installed, 0 to remove and 130 not upgraded.
Need to get 589 MB of archives.
After this operation, 1,149 MB of additional disk space will be used.
Get:1 https://artifacts.elastic.co/packages/8.x/apt stable/main amd64 elasticsearch amd64 8.14.2 [589 MB]
Fetched 589 MB in 19s (31.7 MB/s)                                              
Selecting previously unselected package elasticsearch.
(Reading database ... 197836 files and directories currently installed.)
Preparing to unpack .../elasticsearch_8.14.2_amd64.deb ...
Creating elasticsearch group... OK
Creating elasticsearch user... OK
Unpacking elasticsearch (8.14.2) ...
Setting up elasticsearch (8.14.2) ...
--------------------------- Security autoconfiguration information -------------
-----------------

Authentication and authorization are enabled.
TLS for the transport and HTTP layers is enabled and configured.

The generated password for the elastic built-in superuser is : z-5L7MVPNmXnSn_RU
v6q

If this node should join an existing cluster, you can reconfigure this with
'/usr/share/elasticsearch/bin/elasticsearch-reconfigure-node --enrollment-token 
<token-here>'
after creating an enrollment token on your existing cluster.

You can complete the following actions at any time:

Reset the password of the elastic built-in superuser with 
'/usr/share/elasticsearch/bin/elasticsearch-reset-password -u elastic'.

Generate an enrollment token for Kibana instances with 
 '/usr/share/elasticsearch/bin/elasticsearch-create-enrollment-token -s kibana'.

Generate an enrollment token for Elasticsearch nodes with 
'/usr/share/elasticsearch/bin/elasticsearch-create-enrollment-token -s node'.

--------------------------------------------------------------------------------
-----------------
### NOT starting on installation, please execute the following statements to con
figure elasticsearch service to start automatically using systemd
 sudo systemctl daemon-reload
 sudo systemctl enable elasticsearch.service
### You can start elasticsearch service by executing
 sudo systemctl start elasticsearch.service

root@linuxhelp:~# systemctl daemon-reload

root@linuxhelp:~# systemctl enable elasticsearch.service
Created symlink /etc/systemd/system/multi-user.target.wants/elasticsearch.service → /lib/systemd/system/elasticsearch.service.

root@linuxhelp:~# systemctl start elasticsearch.service

root@linuxhelp:~# curl -X GET "192.168.6.136:9200"
curl: (52) Empty reply from server