sudo apt update

sudo apt install apt-transport-https ca-certificates curl software-properties-common

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

sudo apt update

apt-cache policy docker-ce

output: docker-ce: Installed: (none) Candidate: 5:20.10.143-0ubuntu-jammy Version table: 5:20.10.143-0ubuntu-jammy 500 500 https://download.docker.com/linux/ubuntu jammy/stable amd64 Packages 5:20.10.133-0ubuntu-jammy 500 500 https://download.docker.com/linux/ubuntu jammy/stable amd64 Packages

sudo apt install docker-ce

sudo systemctl status docker

output: Output ● docker.service - Docker Application Container Engine Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled) Active: active (running) since Fri 2022-04-01 21:30:25 UTC; 22s ago TriggeredBy: ● docker.socket Docs: https://docs.docker.com Main PID: 7854 (dockerd) Tasks: 7 Memory: 38.3M CPU: 340ms CGroup: /system.slice/docker.service └─7854 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

mkdir -p ~/.docker/cli-plugins/ curl -SL https://github.com/docker/compose/releases/download/v2.3.3/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose

chmod +x ~/.docker/cli-plugins/docker-compose

docker compose version

Output Docker Compose version v2.3.3

Disable memory paging and swapping performance on the host to improve performance. sudo swapoff -a Increase the number of memory maps available to OpenSearch.

sudo vi /etc/sysctl.conf

vm.max_map_count=262144

sudo sysctl -p

cat /proc/sys/vm/max_map_count

sysctl -w vm.max_map_count=262144

chmod 777 opt

chmod 777 opensearch-data1

chmod 777 opensearch-data2