technology
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What Retirement Looks Like Without Computers
Your life without a computer: what does it look like? For someone who spends 8 hours a day in front of a computer, imagining a life without one feels unimaginable. It’s akin to imagining retirement. Because of my job, I… Continue reading
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Setting Up OPNsense as a Load Balancer
In this post, we’re going to setup OPNsense as a Layer 4 and Layer 7 HAPROXY load balancer. This is our network topology: In this simple topology, we have a single firewall with two ISPs connections and a LAN. We’re… Continue reading
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Setting Up a Redundant Load Balancer with HAPROXY and KeepAlived
In this post we will setup a high redundant load balancer with two HAPROXY and KeepAlived service on Linux Servers. HAPROXY is one of the most implemented open source Layer 4 or 7 load balancer. It’s hosted between the clients… Continue reading
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Configure Redundant OPNsense IPsec Tunnels with BGP Between Two Sites (Part 2)
In the second part of this lab, we’ll set up the Site Firewalls. Each will have 2 WAN connections to different ISPs. Then we’ll set up four IPsec tunnels and BGP routing. This setup will guarantee a full redundant connection… Continue reading
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Configure Redundant OPNsense IPsec Tunnels with BGP Between Two Sites (Part 1)
We are going to set up two OPNsense firewalls in the next two posts. Each will have two WAN connections. This setup simulates a real scenario of two Sites and two ISPs at each site. On these two firewalls, we… Continue reading
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Configuring High Availability for OPNsense Firewalls
In this post we are going to set up high availability for two OPNsense firewalls. Our firewalls are installed as VMs in two separate Proxmox nodes in our Lab. All our VMs in our Cluster use OPNsense to connect to… Continue reading
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Setting Up OPNsense as a Zabbix Proxy
In this post we are going to set up OPNsense as a Zabbix Proxy to watch all hosts that are behind the firewall. Check the post for how to set up Zabbix in Docker containers in a Windows Workstation: Note:… Continue reading
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Step-by-Step Zabbix Setup on Proxmox Clusters
In this post we are going to set up our Zabbix server to watch our Proxmox nodes and cluster. Check the post for how to set up Zabbix in Docker containers in a Windows Workstation: First we are going to… Continue reading
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Set Up Zabbix Monitoring with Docker on Windows
We want to check our lab environment with Zabbix. Zabbix is a powerful open source monitoring and alerting solution. It can track everything within a Windows or Linux Computer. It can also reach everything accessible with the SNMP protocol, like… Continue reading
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Implementing Hyper-converged Clusters with Storage Spaces Direct
In earlier posts, we implement an Hyper-V cluster with shared storage in a iSCSI NAS. But, what if we don’t have a NAS or any other shared storage technology? This is when we implement an Hyper-converged Cluster. Check the implementation… Continue reading
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