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Docker requires a 64-bit version of CentOS 7 or 8 with a kernel version of 3.10 or higher. While CentOS 7 meets the minimum requirement, its older kernel may lack support for advanced storage drivers like overlay2, potentially leading to reduced performance or instability. Remove Existing Docker Installations Older Docker packages may be instal ...

System Requirements CentOS 7 Docker 17.05.0+ Compose 1.19.0+ RAM 2400MB Installing Docker Compose # Option 1: Download binary $ curl -L https://get.daocloud.io/docker/compose/releases/download/1.24.1/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose $ chmod +x /usr/local/bin/docker-compose # Option 2: Using pip $ yum in ...

Verify Existing Installation Check whether Subversion is already installed: rpm -qa | grep subversion If output appears, remove the existing package before proceeding: sudo yum remove -y subversion Install Subversion via YUM Install the latest stable version along with required dependencies: sudo yum install -y subversion Confirm installatio ...

Introduction yum is one of the package management tools used in CentOS for managing software packages. It simplifies the process of installing, updating, and removing software packages, and automatically resolves dependencies, making package management more convenient and efficient. Functions yum mainly has the following functions: Install pac ...

Installing Glance Client First, search for the apppropriate OpenStack release matching your environment, then install the corresponding repository and glance client packages. dnf search all openstack dnf install centos-release-openstack-yoga.noarch -y dnf search all glance dnf install python3-glanceclient -y Environment Configuraton Configure ...

SCP (Secure Copy Protocol) is a command-line utility for securely transferring files between Linux systems over SSH. Unlike the standard cp command which only works locally, SCP enables cross-server file operations with encryption. Basic Command Syntax scp [options] source_path destination_path Commonly Used Parameters -r: Recursively copy di ...

YUM (Yellowdog Updater Modified) is a powerful package manager for RPM-based Linux distributoins. Understanding its core commands is crucial for effective system administration. Package Discovery Operations The following commands help locate available packages on configured repositories: // Display all packages available in configured repositor ...

Step 2: Installing Nginx Using the configured EPEL repository, we can install Nginx with the following command: sudo yum install nginx Step 3: Starting the Nginx Service After installation, start the Nginx service and enable it to start automatically on boot: sudo systemctl start nginx sudo systemctl enable nginx Step 4: Verifying Nginx Servi ...

[root@localhost]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/centos-root 50G 22G 28G 3% / /dev/mapper/centos-home 1857G 33M 1857G 1% /home overlay 50G 22G 28G 3% /var/lib/docker/overlay2/c2952714eb9921fe3ad9bfe4a35bd19b8879f4a9b61e76a50f8619b9a20f0b2b/merged overlay 50G 22G 28G 3% /var/lib/docke ...

1. Introduction to Linux An operating system (OS) manages computer hardware and software resources. It handles memory allocation, device input/output, network operations, and file systems, providing an interface for user interaction. Major OS Categories by Domain: Desktop OS: Windows (largest user base), macOS (polished UX, fewer apps, higher ...