If you manage Linux servers long enough, you eventually hit this moment: Server is slow… users are shouting… and logs are everywhere. /var/log/messages /var/log/secure /var/log/nginx/access.log /var/log/nginx/error.log /var/log/mysql/error.log /var/log/audit/audit.log /app/logs/*.log /docker/containers/*/*.log So what do you do? You SSH into the box and start the ancient ritual: [root@siddhesh ~]# tail -f /var/log/messages [root@siddhesh ~]# tail -f /var/log/nginx/error.log [root@siddhesh ~]#...

Introduction When migrating applications to the cloud, databases are often the most critical and sensitive components. A poorly planned database migration can lead to downtime, data loss, or performance issues. In this hands-on guide, we will migrate a MySQL database from a Linux server to Amazon Aurora (MySQL-Compatible)  using AWS RDS. This walkthrough is ideal for DevOps engineers, cloud engineers, and anyone learning AWS database migration. What You’ll Learn How to create an Amazon Aurora...

Introduction In modern cloud environments, auto scaling  is critical for high availability, performance, and cost optimization. Instead of running multiple servers all the time, AWS allows you to automatically scale EC2 instances based on load . In this blog, we will configure: Apache Web Server on EC2 Auto Scaling Group (ASG) Launch Template Target Tracking Policy Scale out when CPU > 5% Automatically launch a second Apache instance This setup is ideal for: Web applications Traffic-based...