ZFS Pool and Filesystem Management on CentOS 7
Managing ZFS Storage Pools
ZFS storage pools can be created, destroyed, and modified using the zpool command. Let's start by destroying an existing pool.
zpool destroy storagepool
[root@server ~]# zpool destroy storagepool
[root@server ~]# zpool status
no pools available
Now, let's create a simple mirrored pool. The mirror keyword allows for ...
Posted on Sun, 13 Sep 2026 16:24:13 +0000 by countrydj
Setting Up Nvidia Docker with GPU Support on CentOS 7
Environment Configuration
This guide covers the complete setup for running GPU-accelerated Docker containers on CentOS 7 using Nvidia drivers and CUDA.
System Specifications:
Operating System: CentOS 7.4 (1708)
GPU: Nvidia GeForce GTX 1080 Ti
Required Components
Docker CE repository
Nvidia Docker repository
CUDA package repository
cuDNN libr ...
Posted on Sat, 29 Aug 2026 16:27:28 +0000 by jhuaraya
Implementing LVM Storage Management on CentOS 7
Enviroment Overview
This guide demonstrates configuring Logical Volume Management on a CentOS 7 system with two newly attached storage devices. The setup enables flexible capacity planning and simplifies future storage expansion.
# Display current disk utilization
[root@srv-lvm-01 ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 253:0 ...
Posted on Tue, 18 Aug 2026 16:48:06 +0000 by eatadi
Installing MySQL 8 on CentOS 7 Using Domestic Mirrors
1. Obtain the Yum Repository Configuration
First, download the MySQL rpeository configuration package from a domestic mirror source:
100%[=======================================================================================================================================================================>] 26,024 26.9KB/s in 0.9s
202 ...
Posted on Sun, 09 Aug 2026 16:11:12 +0000 by stef686
Docker Engine and Compose Installation on CentOS 7 with Mirror Optimization
Yum Repository Configuration
Update the package manager to utilize accelerated mirrors. Preserve the existing configuration before modifications:
cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
Fetch the updated repository definition:
curl -fsSL -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Cen ...
Posted on Fri, 07 Aug 2026 16:21:12 +0000 by ShanesProjects
Setting Up Python 3.7.2 and Related Services on CentOS 7
Install System Dependencies
Update the system and install required development libraries and tools:
yum -y update
yum -y install gcc openssl-devel zlib-devel readline-devel libffi-devel
bzip2-devel mysql-devel python-devel java wget
git redis nginx supervisor
Enable services to start automatically after a reboot:
syst ...
Posted on Sat, 01 Aug 2026 16:54:54 +0000 by charp
Deploying Flask Applications on CentOS 7.9 with uWSGI and Nginx
Server Environment Setup
Host: 4-core 8GB CentOS 7.9 virtual machine (verify with cat /etc/redhat-release)
Dependencies: Anaconda, Python 3.8, uWSGI, Nginx
Python 3.8 Compilation and Installation
Update Yum Repositories
First back up default CentOS base repo:
cp /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak
Replace wi ...
Posted on Sat, 01 Aug 2026 16:36:45 +0000 by carsale
Compiling MySQL 8 from Source on CentOS 7
This guide outlines the process of installing MySQL 8 by compiling its source code on a CentOS 7 system. Source compilation provides maximum control over the installation and optimization.
1. System Environment Overview
Before beginning, verify the operating system details. The instructions are tailored for CentOS 7.
[root@host ~]# cat /etc/red ...
Posted on Fri, 31 Jul 2026 16:43:22 +0000 by KevinMG
Installing and Setting Up Nginx on CentOS 7
Prerequisites
Log in to your CentOS 7 server using an account that has sudo privileges. Ensure that no other service (such as Apache) is occupying port 80 or 443, as this would prevent Nginx from starting.
Installing Nginx
Nginx is available from the EPEL (Extra Packages for Enterprise Linux) repository. Follow these steps to install it:
Inst ...
Posted on Fri, 31 Jul 2026 16:43:08 +0000 by dougmcc1
Setting Up a Three-Node MongoDB Replica Set on CentOS 7
Installl MongoDB
Create a custom YUM repository:
sudo tee /etc/yum.repos.d/mongodb.repo <<EOF
[mongodb-org]
name=MongoDB Repository
baseurl=https://mirrors.aliyun.com/mongodb/yum/redhat/7/mongodb-org/4.2/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-4.2.asc
EOF
Install the MongoDB package:
sudo yum install ...
Posted on Sun, 26 Jul 2026 16:04:57 +0000 by mherr170