Step 1: Go to the /etc/yum.repos.d/
directory.
cd /etc/yum.repos.d/
Step 2: Run the below commands
sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
Step 3: Now run the yum update
yum update -y
Step 4:
dnf install https://repo.zabbix.com/zabbix/6.0/rhel/8/x86_64/zabbix-agent-6.0.3-1.el8.x86_64.rpm
Edit /etc/zabbix/zabbix_agentd.conf
#Server=[zabbix server ip] #Hostname=[ Hostname of client system ] Server=192.168.1.100 ServerAlive=192.168.1.100 Hostname=Server1
systemctl enable zabbix-agent systemctl start zabbix-agent
References:
https://techglimpse.com/failed-metadata-repo-appstream-centos-8/