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📁 File Naming Conventions

Components → PascalCase

components/
├── Button.jsx
├── UserProfile.jsx
├── DataTable.jsx
└── ProcurementStatusDetail/
 ├── index.js

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How to Solve "Failed to create session: Maximum number of sessions (8192) reached, refusing further sessions"

Problem Description

When you see this error in your system logs:

pam_systemd(crond:session): Failed to create session: Maximum number of sessions (8192) reached, refusing further sessions.
pam_systemd(sshd:session): Failed to create session: Maximum number of sessions (8192) reached, refusing further sessions.

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Syncthing Installation & Configuration on Rocky / CentOS / AlmaLinux 9

A step-by-step guide to install the latest Syncthing binary, run it as a service, set up data directories, firewall rules, and access the Web UI.

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Table of Contents

1. Prerequisites

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🔓 1. Authentication & Access Control

Feature	Free	Paid
Basic auth (manual)	✅	✅
SSO (OAuth/SAML/LDAP/AD)	❌	✅
Fine-grained access control (per dashboard, per team)	❌	✅

Paid Benefit: Enterprise-grade access control, audit logs, and secure SSO for teams.

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🛡️ Using Tailscale with Parsec for Secure Remote Desktop Access

📌 Overview

This guide shows how to use Tailscale (a mesh VPN) together with Parsec (a high-performance remote desktop tool) to:

• Securely access your machine from anywhere
• Avoid port forwarding or exposing public IPs
• Improve peer-to-peer connection reliability

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CI/CD Structure Used

✅ Branch develop → Deploy to staging server
✅ Branch main → Deploy to production server
✅ Environment & Secrets are used to securely store credentials

1. Add SSH Key to VPS

GitHub Actions requires SSH access to the VPS for deployment.
On both the development and production VPS, run the following:

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[program:goaccess]
command=/usr/bin/goaccess /var/log/nginx/access.log -o /var/www/goaccess/index.html --log-format=COMBINED --real-time-html --tz=Asia/Jakarta --ws-url=wss://subdomain.example.com:443/wss --port 7890
directory=/var/www/goaccess
environment=HOME="/root",USER="root"
autostart=true
autorestart=true
startretries=3
user=root
redirect_stderr=true
stdout_logfile=/var/log/supervisor/goaccess.log

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Backup and restore full backup VPS (migrate VPS)

First step was backup your Linux VPS directly on the server and then download it into your machine. Here’s how to create a compressed backup and download it afterward.

Creating and Downloading a Compressed Backup

1. Create a Compressed Archive on the VPS:
   • You can use tar to create a compressed archive of the entire root filesystem while excluding directories that don’t need to be backed up (such as /dev, /proc, /sys, etc.).
   • Run the following command on your VPS:

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services:
  goaccess:
    container_name: goaccess
    image: allinurl/goaccess:latest
    volumes:
      - "/var/log/nginx:/var/log/nginx:ro"
      - "/var/www/goaccess:/var/www/goaccess:rw"
    ports:
      - "7890:7890"
    command: "/var/log/nginx/access.log --log-format=COMBINED -o /var/www/goaccess/index.html --real-time-html --tz=Asia/Jakarta --ws-url=wss://subdomain.example.com:443/wss --port=7890"