How to Configure a MySQL Cluster

Prerequisites 3 Virtual Machines or servers (Using Ubuntu 24.04 LTS here). Ensure mysql-server and mysql-shell are installed. (If not installed, use this command: apt install mysql-server mysql-shell -y). These three servers must have network connectivity with each other. Edit /etc/mysql/mysql.conf.d/mysqld.cnf and change bind-address = 127.0.0.1 to bind-address = 0.0.0.0. Restart MySQL after making this change. Getting Started 🚀 Update the /etc/hosts file Run on all 3 servers 127.0.0.1 localhost 192.168.100.140 db-node-01 192.168.100.141 db-node-02 192.168.100.142 db-node-03 Update hostnames Run on all 3 servers respectively ...

August 7, 2026 · 5 min · ZetoHkr

How to Configure a RabbitMQ Cluster

Prerequisites 3 Virtual Machines or servers (Using Ubuntu 24.04 LTS here). (Server 1, 2, 3) These three servers must have network connectivity with each other. Getting Started 🚀 Install RabbitMQ and dependencies Run on all 3 servers # Install offical source curl -1sLf 'https://dl.cloudsmith.io/public/rabbitmq/rabbitmq-erlang/setup.deb.sh' | sudo -E bash curl -1sLf 'https://dl.cloudsmith.io/public/rabbitmq/rabbitmq-server/setup.deb.sh' | sudo -E bash # Install dependencies apt-get install -y erlang-base erlang-asn1 erlang-crypto erlang-eldap erlang-ftp erlang-inets erlang-mnesia erlang-os-mon erlang-parsetools erlang-public-key erlang-runtime-tools erlang-snmp erlang-ssl erlang-syntax-tools erlang-tftp erlang-tools erlang-xmerl # Install RabbitMQ apt-get install -y rabbitmq-server Secure config Run on all 3 servers ...

August 7, 2026 · 3 min · ZetoHkr

Server list ( My memo :) )

Aisa China HongKong, China VPS Ningbo, Zhejiang, China DS Ningbo, Zhejiang, China VPS Eurpo Germany Frankfurt, Germany VPS North America United States Los Angeles, United States VPS 1 A400 Los Angeles, United States VPS 2 A400 Los Angeles, United States VPS 3 DMIT Los Angeles, United States VPS 4 DMIT

February 1, 2026 · 1 min · ZetoHkr

How to deploy PVE in cloud dedicated server

Prerequisite A dedicated server. (Pre-installed PVE) Public IP address (Optional, but you must be able to access the server) Some virtual machine (You can install these vms later.) Getting Started 🚀 Configure to SDN (Software-Defined Network) Navigate to the Datacenter menu. Expand the SDN menu in center menu. Select the Zones menu under the SDN menu. Add a simple zone. ID: for example “sdn01” MTU: auto Nodes: All (No restrictions) IPAM: pve DNS Server: (Keep empty) Reverse DNS Server: (Keep empty) DNS Zone: (Keep empty) automatic DHCP: (Keep empty, or if you need DHCP.) Create a VNets Name: for example “vnet1” Alias: (allow empty) Zone: (Just created) Isolate Ports: (Keep empty) VLAN Aware: (Keep empty) Create a Subnets Select just created VNet Click create button General Subnet: for example “10.0.0.0/24” Gateway: for example “10.0.0.1” Select SNAT If you need DHCP (DHCP Ranges) Click Add button Start Address: 10.0.0.10 End Address: 10.0.0.100 Create some virtual machines Network option need to select vnet1 (just created SDN name) in bridge option. ...

October 20, 2025 · 4 min · ZetoHkr