# Getting failed to check elastic index after adding ELK information in the setting

**URL:** <https://forum.pritunl.com/t/getting-failed-to-check-elastic-index-after-adding-elk-information-in-the-setting/105>\
**Category:** Pritunl Zero\
**Created:** [April 28, 2022, 8:06pm UTC](https://forum.pritunl.com/t/getting-failed-to-check-elastic-index-after-adding-elk-information-in-the-setting/105 "2022-04-28T20:06:31Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![rkalia](https://forum.pritunl.com/letter_avatar_proxy/v4/letter/r/da6949/32.png) [@rkalia](https://forum.pritunl.com/u/rkalia)\
**Post date:** [April 28, 2022, 8:06pm UTC](https://forum.pritunl.com/t/getting-failed-to-check-elastic-index-after-adding-elk-information-in-the-setting/105/1 "2022-04-28T20:06:31Z")

</div>

search: Failed to check elastic index  
cannot retrieve information from OpenSearch  
ORIGINAL STACK TRACE:  
[github.com/pritunl/pritunl-zero/search.(\*Client).CreateIndex](http://github.com/pritunl/pritunl-zero/search.(*Client).CreateIndex)

---

<div class="post-metadata">

**Author:** ![zach](https://forum.pritunl.com/user_avatar/forum.pritunl.com/zach/32/1105_2.png) [@zach](https://forum.pritunl.com/u/zach)\
**Post date:** [May 6, 2022, 9:02pm UTC](https://forum.pritunl.com/t/getting-failed-to-check-elastic-index-after-adding-elk-information-in-the-setting/105/2 "2022-05-06T21:02:04Z")

</div>

Pritunl Zero is tested with OpenSearch v1.3.2, this error is likely caused by a firewall or authentication issue. Below is the configuration used for the OpenSearch test server.

```auto
#################################
# setup
#################################
sudo dnf -y update
sudo dnf -y install dnf-automatic
sudo sed -i 's/^upgrade_type =.*/upgrade_type = default/g' /etc/dnf/automatic.conf
sudo sed -i 's/^download_updates =.*/download_updates = yes/g' /etc/dnf/automatic.conf
sudo sed -i 's/^apply_updates =.*/apply_updates = yes/g' /etc/dnf/automatic.conf
sudo systemctl enable --now dnf-automatic.timer

sudo tee /etc/security/limits.conf << EOF
* hard nofile 500000
* soft nofile 500000
root hard nofile 500000
root soft nofile 500000
EOF

sudo tee /etc/sysctl.d/10-maxmap.conf << EOF
vm.max_map_count=262144
EOF
sudo sysctl -w vm.max_map_count=262144

#################################
# gpg
#################################
wget https://artifacts.opensearch.org/publickeys/opensearch.pgp
gpg --import opensearch.pgp
rm opensearch.pgp
gpg --edit-key C5B7498965EFD1C2924BA9D539D319879310D3FC
trust
5
quit

#################################
# opensearch
#################################
wget https://artifacts.opensearch.org/releases/bundle/opensearch/1.3.2/opensearch-1.3.2-linux-x64.tar.gz
wget https://artifacts.opensearch.org/releases/bundle/opensearch/1.3.2/opensearch-1.3.2-linux-x64.tar.gz.sig

gpg --verify opensearch-1.3.2-linux-x64.tar.gz.sig opensearch-1.3.2-linux-x64.tar.gz

sudo useradd opensearch

sudo mkdir /var/lib/opensearch
sudo mkdir /var/log/opensearch
sudo chown opensearch:opensearch /var/lib/opensearch
sudo chown opensearch:opensearch /var/log/opensearch

sudo systemctl stop opensearch
sudo systemctl stop opensearch-dashboards

tar xf opensearch-1.3.2-linux-x64.tar.gz
sudo rm -rf /usr/local/opensearch-orig
sudo mv /usr/local/opensearch /usr/local/opensearch-orig
sudo mv opensearch-1.3.2 /usr/local/opensearch
sudo chown -R opensearch:opensearch /usr/local/opensearch

sudo sed -i 's/^-Xms.*/-Xms9g/g' /usr/local/opensearch/config/jvm.options
sudo sed -i 's/^-Xmx.*/-Xmx9g/g' /usr/local/opensearch/config/jvm.options

sudo sed -i 's/^ reserved:.*/ reserved: false/g' /usr/local/opensearch/plugins/opensearch-security/securityconfig/internal_users.yml
sudo sed -i 's/^ reserved:.*/ reserved: false/g' /usr/local/opensearch/plugins/opensearch-security/securityconfig/internal_users.yml

sudo -u opensearch -g opensearch /usr/local/opensearch/opensearch-tar-install.sh -Ecluster.name=silicon.red -Enode.name=opensearch1 -Ehttp.host=0.0.0.0 -Ediscovery.type=single-node -Epath.data=/var/lib/opensearch -Epath.logs=/var/log/opensearch

sudo tee /etc/systemd/system/opensearch.service << EOF
[Unit]
Description=Opensearch

[Service]
User=opensearch
Group=opensearch
WorkingDirectory=/usr/local/opensearch
ExecStart=/bin/bash /usr/local/opensearch/opensearch-tar-install.sh -Ecluster.name=silicon.red -Enode.name=opensearch1 -Ehttp.host=0.0.0.0 -Ediscovery.type=single-node -Epath.data=/var/lib/opensearch -Epath.logs=/var/log/opensearch

[Install]
WantedBy=multi-user.target
EOF

sudo systemctl daemon-reload
sudo systemctl enable opensearch
sudo systemctl restart opensearch

curl -XGET --insecure -u 'admin:admin' 'https://localhost:9200'

#################################
# opensearch auth
#################################
sudo -u opensearch -g opensearch JAVA_HOME=/usr/local/opensearch/jdk sh /usr/local/opensearch/plugins/opensearch-security/tools/hash.sh

sudo -u opensearch -g opensearch JAVA_HOME=/usr/local/opensearch/jdk /usr/local/opensearch/plugins/opensearch-security/tools/securityadmin.sh -cd "/usr/local/opensearch/plugins/opensearch-security/securityconfig" -icl -key "/usr/local/opensearch/config/kirk-key.pem" -cert "/usr/local/opensearch/config/kirk.pem" -cacert "/usr/local/opensearch/config/root-ca.pem" -

#################################
# opensearch dashboard
#################################
wget https://artifacts.opensearch.org/releases/bundle/opensearch-dashboards/1.3.2/opensearch-dashboards-1.3.2-linux-x64.tar.gz
wget https://artifacts.opensearch.org/releases/bundle/opensearch-dashboards/1.3.2/opensearch-dashboards-1.3.2-linux-x64.tar.gz.sig

gpg --verify opensearch-dashboards-1.3.2-linux-x64.tar.gz.sig opensearch-dashboards-1.3.2-linux-x64.tar.gz

sudo systemctl stop opensearch
sudo systemctl stop opensearch-dashboards

tar xf opensearch-dashboards-1.3.2-linux-x64.tar.gz
sudo rm -rf /usr/local/opensearch-dashboards-orig
sudo mv /usr/local/opensearch-dashboards /usr/local/opensearch-dashboards-orig
sudo mv opensearch-dashboards-1.3.2 /usr/local/opensearch-dashboards
sudo chown -R opensearch:opensearch /usr/local/opensearch-dashboards

sudo sed -i 's/^opensearch.password:.*/opensearch.password: "####kibanaserver_password####"/g' /usr/local/opensearch-dashboards/config/opensearch_dashboards.yml

sudo -u opensearch -g opensearch /usr/local/opensearch-dashboards/bin/opensearch-dashboards -H 0.0.0.0

sudo tee /etc/systemd/system/opensearch-dashboards.service << EOF
[Unit]
Description=Opensearch Dashboards

[Service]
User=opensearch
Group=opensearch
WorkingDirectory=/usr/local/opensearch-dashboards
ExecStart=/bin/sh /usr/local/opensearch-dashboards/bin/opensearch-dashboards -H 0.0.0.0

[Install]
WantedBy=multi-user.target
EOF

sudo systemctl daemon-reload
sudo systemctl enable opensearch-dashboards
sudo systemctl restart opensearch-dashboards

```