Wazuh linux agent installation steps
Securely add the Wazuh GPG key to your system
curl -s https://packages.wazuh.com/key/GPG-KEY-WAZUH | gpg --no-default-keyring --keyring gnupg-ring:/usr/share/keyrings/wazuh.gpg --import && chmod 644 /usr/share/keyrings/wazuh.gpg
Add the Wazuh repository to your APT sources
echo "deb [signed-by=/usr/share/keyrings/wazuh.gpg] https://packages.wazuh.com/4.x/apt/ stable main" | tee -a /etc/apt/sources.list.d/wazuh.list
Then perform apt update and install the wazuh agent
sudo apt update
apt-get install wazuh-agent
This will install the Wazuh agent, now navigate to /var/ossec/etc/ directory
Edit the ossec.conf file and replace MANAGER_IP with your Wazuh manager IP for the agent to report to the Wazuh manager.
Enable and start the Wazuh agent service.
sudo systemctl enable wazuh-agent.service
sudo systemctl start wazuh-agent.service