Install Zabbix Agent Ubuntu

Ubuntu 22.04 

 wget https://repo.zabbix.com/zabbix/5.0/ubuntu/pool/main/z/zabbix-release/zabbix-release_5.0-2+ubuntu22.04_all.deb 

 dpkg -i zabbix-release_5.0-2+ubuntu22.04_all.deb 

 apt-get update 

 apt-get install zabbix-agent 

 Ubuntu 20.04 

 wget https://repo.zabbix.com/zabbix/5.0/ubuntu/pool/main/z/zabbix-release/zabbix-release_5.0-1%2Bfocal_all.deb 

 dpkg -i zabbix-release_5.0-1+focal_all.deb 

 apt-get update 

 apt-get install zabbix-agent 

 Ubuntu 18.04 

 wget https://repo.zabbix.com/zabbix/5.0/ubuntu/pool/main/z/zabbix-release/zabbix-release_5.0-1%2Bbionic_all.deb 

 dpkg -i zabbix-release_5.0-1+bionic_all.deb 

 sudo apt update 

 apt-get install zabbix-agent 

 Configure Zabbix Agent for Passive Checks 

 Edit the zabbix configuration file: 

 sudo vi /etc/zabbix/zabbix_agentd.conf 

 Set the following parameter according to your environment: 

 Server=192.168.100.51 

 save the file and close 

 Restart and enable zabbix agent service 

 sudo systemctl restart zabbix-agent 

 sudo systemctl enable zabbix-agent 

 Start/stop/check status of zabbix agent service: 

 sudo systemctl start zabbix-agent

sudo systemctl stop zabbix-agent 

sudo systemctl status zabbix-agent 

 Configure Zabbix Agent for Active Checks 

 Edit the zabbix configuration file: 

 sudo vi /etc/zabbix/zabbix_agentd.conf 

 Set the following parameters according to your environment: 

 ServerActive=192.168.100.51

Hostname=zabbix.fosstechnix.local 

 save the file and close 

 Restart and enable zabbix agent service 

 sudo systemctl restart zabbix-agent 

 sudo systemctl enable zabbix-agent 

 Start/stop/check status of zabbix agent service: 

 sudo systemctl start zabbix-agent

sudo systemctl stop zabbix-agent 

sudo systemctl status zabbix-agent 

 Configure TLS with PSK 

 Edit the zabbix configuration file: 

 sudo nano /etc/zabbix/zabbix_agentd.conf 

 Set the following parameters where unique_psk_identity is some unique value for the agent you are configuring. I can be anything as long as it's unique for this host: 

 TLSConnect=psk

TLSAccept=psk

TLSPSKIdentity=unique_psk_identity

TLSPSKFile=/etc/zabbix/zabbix_agentd.psk 

 save the file and close 

 Run the following command to generate a psk file using the path and name specified in the TLSPSKFile parameter from above: 

 openssl rand -hex 32 | sudo tee /etc/zabbix/zabbix_agentd.psk 

 Note the generated random string as you will need it to configure the agent on the Zabbix server under the Configuration --> Hosts --> Host -->Encryption tab. 

 Start/stop/check status of zabbix agent service: 

 sudo systemctl start zabbix-agent

sudo systemctl stop zabbix-agent 

sudo systemctl status zabbix-agent