Building a 3-Node Redis Sentinel Cluster with Bloom Filter on CentOS 7
Environment Preparation
Server Allocation
Hostname
IP
Role
Sentinel
redis-sentry-0
10.10.101.26
Primary
Yes
redis-sentry-1
10.10.101.27
Replica
Yes
redis-sentry-2
10.10.101.28
Replica
Yes
Install Dependencies
Redis will be compiled from source, so install the build tools first:
# Install GCC 9
yum -y install centos-release-scl
yum ...
Posted on Fri, 08 May 2026 17:11:32 +0000 by iifs044
Building a Kubernetes Cluster Using Docker with 100-Year Certificate Validity
Cluster Architecture
Provision three CentOS 7 instances with the following roles and specifications. The control plane node requires at least 2 vCPUs; otherwise, kubeadm initialization will fail.
Hostname
IP Address
Role
OS
Specs
ctrl-plane
192.168.10.10
Control Plane
CentOS 7
2 vCPU / 4 GiB
worker-1
192.168.10.11
Worker
CentOS 7
2 vCP ...
Posted on Fri, 08 May 2026 13:26:21 +0000 by dieselmachine