Freaks City

Let's Encrypt is a free, automated, and open Certificate Authority (CA) provided by the Internet Security Reseacrh Group (ISRG). It allows website owners to obtain trusted SSL certificates that are recognized by all major modern browsers. This guide demonstrates how to use the Certbot tool to generate and manage SSL certificates for Nginx on a ...

Preserving Python 2 First, locate the Python installation and back up the Python 2.7 symlink. # Navigate to home directory and find Python locations cd ~ whereis python # Check existing Python symlinks in /usr/bin cd /usr/bin ls -l python* # Back up the python symlink mv python python.backup Downloading and Installing Python 3 Download Pytho ...

Environment Setup and OS Verification Deploy CentOS 7 within VMware Workstation 16.x. Following the installation, confirm the operating system version by querying the release identity file: cat /etc/os-release The output should reflect the CentOS 7 kernel version. Remote Access and Virtual Network Configuration Utilize an SSH client (such as ...

On CentOS systems, cron is the go-to utility for scheduling recurring tasks, though three scheduling tools exist for different use cases: at One-time execution only; requires the atd backend daemon to run cronie/crontab Recurring task execution; requires the crond daemon, with tasks managed via crontab anacron Daily-based schedulin ...

Prerequisites and Initial Setup Start with a minimal CentOS 7 environment to avoid conflicts. Create a temporary workspace for the installation bundle. mkdir -p /mysql cd /mysql wget https://cdn.mysql.com/archives/mysql-8.0/mysql-8.0.16-2.el7.x86_64.rpm-bundle.tar tar -xvf mysql-8.0.16-2.el7.x86_64.rpm-bundle.tar Cleaning Up Existing MariaDB o ...

Azure DevOps provides powerful CI/CD capabilities, but setting up self-hosted agents can be challenging. This guide demonstrates a streamlined approach to configuring Azure DevOps agents on CentOS 7 servers. Ensure you have administrative access to a CentOS 7 machine before proceeding.### Obtaining the Linux Agent Package Navigate to your Azure ...

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 ...

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 ...