Upgrading from VMware ESXi 6.0 to 8.0 is a multi-step process, as ESXi 6.0 is not directly upgradable to ESXi 8.0. You must first upgrade to ESXi 6.7 or 7.0, and then proceed to 8.0. Step 1: Pre-Upgrade Checks ✅ Verify Hardware Compatibility ✅ Check Existing vCenter Version ✅ Backup…
Category: Cloud
Difference between upgrade and update
The difference between upgrade and update depends on the context, but in general: 1. Software & OS 2. Hardware 3. Cloud & Virtualization 4. Networking & Storage
Updating ManageEngine ServiceDesk Plus (HA)
Step 1: Pre-Update Preparations Step 2: Updating the Secondary Node Step 3: Updating the Primary Node Step 4: Restore Failover & Sync Final Checks ✅ Login works on both nodes✅ No database errors in logs✅ Load balancer distributes traffic correctly✅ Failover test succeeds
Automated Scripts for Web Server Hardening (Nginx, Apache, Caddy, IIS) 🚀
🛡️ Nginx Hardening Script (Bash) bash#!/bin/bash# Update system & install required packagesapt update && apt upgrade -yapt install -y nginx ufw fail2ban# Disable server tokens (hide Nginx version)echo “server_tokens off;” >> /etc/nginx/nginx.conf# Enable rate limiting & security settingscat <<EOF > /etc/nginx/conf.d/security.confclient_max_body_size 10M;client_body_timeout 10s;client_header_timeout 10s;keepalive_timeout 15s;limit_conn_zone \$binary_remote_addr zone=conn_limit:10m;limit_req_zone \$binary_remote_addr zone=req_limit:10m rate=5r/s;EOF#…
1️⃣ General Web Server Security Best Practices
✅ Keep the Server Updated ✅ Run as a Non-Root User ✅ Use TLS/SSL (HTTPS) ✅ Disable Unnecessary Modules ✅ Limit Server Signature Exposure ✅ Restrict File & Directory Access ✅ Enable Rate Limiting ✅ Enable Web Application Firewall (WAF) ✅ Enable Logging & Monitoring 2️⃣ Nginx Hardening Guide 🛡️…
Web Server Security Guide (Nginx, Apache, Caddy, IIS) 🚀
1️⃣ General Web Server Security Best Practices ✅ Keep the Server Updated ✅ Run as a Non-Root User ✅ Use TLS/SSL (HTTPS) ✅ Disable Unnecessary Modules ✅ Limit Server Signature Exposure ✅ Restrict File & Directory Access ✅ Enable Rate Limiting ✅ Enable Web Application Firewall (WAF) ✅ Enable Logging…
Securing a website exposed to the Internet or running on a public IP
1. Network & Perimeter Security 🔹 Firewall & WAF (Web Application Firewall) 🔹 DDoS Protection 🔹 VPN & Private Access 2. Web Server & OS Security 🔹 Hardening the Web Server 🔹 OS & Kernel Security 3. Application Security 🔹 Secure Code Practices 🔹 Secure APIs 4. Data Security 🔹…