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apt update
apt upgrade
curl -s https://install.zerotier.com | sudo bash
apt install zabbix-agent
apt install openjdk-11-jre-headless
apt install apt-transport-https
wget -qO – https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add –
apt install software-properties-common
add-apt-repository “deb https://artifacts.elastic.co/packages/6.x/apt stable main”
add-apt-repository “deb https://artifacts.elastic.co/packages/7.x/apt stable main”
apt install elasticsearch=6.8.3
apt-mark hold elasticsearch
echo “get zerotier address”
zerotier-cli info
zerotier-cli join 1c33c1ced0417a49
ufw enable from any to 10.x IP
elastic > update cluster * nodename + hostname = > discovery to some ip +9302 ip