Server config based on:

Data Replication between servers https://www.programmersought.com/article/92226036787/
Virtual machine hosting https://www.tecmint.com/install-kvm-on-ubuntu/
cockpit https://www.techrepublic.com/article/how-to-enable-cockpit-on-centos-8/ , https://www.tecmint.com/manage-kvm-virtual-machines-using-cockpit-web-console/
firewalld https://www.liquidweb.com/kb/how-to-start-and-enable-firewalld-on-centos-7/

firewalld config

add nfs :

firewall-cmd --add-port=873/tcp

add port forwarding to opnsense:

https to opnsense:
firewall-cmd --add-forward-port=port=443:proto=tcp:toport=443:toaddr=AAA.BBB.CCC.DDD

http to opnsense:
firewall-cmd --add-forward-port=port=80:proto=tcp:toport=80:toaddr=AAA.BBB.CCC.DDD

opnsense console:
firewall-cmd --add-forward-port=port=4443:proto=tcp:toport=4443:toaddr=AAA.BBB.CCC.DDD

add pf to linux

firewall-cmd --add-forward-port=port=XXXX:proto=tcp:toport=22:toaddr=AAA.BBB.CCC.DDD

add port forwarding to windows:

SQL
firewall-cmd --add-forward-port=port=1433:proto=tcp:toport=1433:toaddr=AAA.BBB.CCC.DDD

RDP

firewall-cmd --add-forward-port=port=3389:proto=tcp:toport=3389:toaddr=AAA.BBB.CCC.DDD

firewall usefull command:

firewall-cmd --reload

firewall-cmd --runtime-to-permanent

Storage

Default : /export/nfs/data
ISO: /export/nfs/iso

virsh network

virsh net-edit default

<network>
  <name>default</name>
  <uuid>aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeee</uuid>
  <forward mode='nat'/>
  <bridge name='virbr0' stp='on' delay='0'/>
  <mac address='XX:XX:XX:XX:XX:XX'/>
  <domain name='default'/>
  <ip address='AAA.BBB.CCC.DDD' netmask='255.255.255.0'>
  </ip>
</network>

Qemu Hooks

https://forums.centos.org/viewtopic.php?f=50&t=71454&start=10

make the hook tool

cd /usr/local/src
git clone https://github.com/saschpe/libvirt-hook-qemu.git
cd libvirt-hook-qemu
make install
rm -rf libvirt-hook-qemu

make the hook config

vi /etc/libvirt/hooks/hooks.json

{
    "k3OS": {
        "interface": "my-bridge-name",           
        "private_ip": "A.B.C.D",   // IP of the VM
        "port_map": {
            "tcp": [[5022,22]] // port mapping
        }
    },
    "linux.2.1": {
        "interface": "my-bridge-name",
        "private_ip": "A.B.C.D",   // IP of the VM
        "port_map": {
            "tcp": [[1022,22]]
        }
    },
    "OPNsense.2.1": {
        "interface": "my-bridge-name",         
        "private_ip": "A.B.C.D",   // IP of the VM
        "port_map": {
            "tcp": [80,443,4443]
        }
    },
    "Windows": {
        "interface": "my-bridge-name",           
        "private_ip": "A.B.C.D",   // IP of the VM
        "port_map": {
            "tcp": [1433,3389]
        }
    }
}

openIMIS

Server config

Server config based on:

Storage

virsh network

refresh script for the docker

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