2024 – SRE Digest

Setting Up an ISO Repository in XenServer: A Step-by-Step Guide

By Pandian Ramaiah October 10, 2024Virtualization

In this blog post, we’ll explore how to create a local ISO repository in XenServer, download ISO images, and verify the setup. This process is essential for managing virtual machines…

Optimize your AWS costs with Cloud Cost Recommendations

By Kayla Taylor October 3, 2024SRE

Managing your AWS costs is both crucial and complex, and as your AWS environment grows, it becomes harder to know where you can optimize and how to execute the necessary…

Top 10 cybersecurity misconfigurations and how to avoid them

By Sanjana M September 25, 2024Cyber Security, SRE

In a recent advisory, the NSA and CISA identified the top 10 cybersecurity misconfigurations that could lead to significant vulnerabilities in large organizations. Key issues include default software settings, improper user privilege separation, and insufficient network monitoring. Addressing these misconfigurations is crucial, as they can account for a majority of cyberattacks. Organizations must prioritize security measures to mitigate these risks and protect their networks effectively.

Top 10 Cloud IAM Operations automation for security risk mitigation.

By Yogini Gohel March 15, 2024SRE

Overview Identity, authentication and authorization is paramount component for cloud security. Harden Cloud IAM configuration acts as perimeter level security for cloud workload. Navigating through evaluating complexities of IAM policy…

Overview of data analysis

By Sweta Sarangi March 8, 2024SRE

Raw data is like a pile of scattered puzzle pieces. It holds potential stories, but it needs organization first. Data analysis acts as the assembler, cleaning, sorting, and connecting the…

Artificial Intelligence for IT Operations – AIOPS

By Pandian Ramaiah February 27, 2024Observability, SRE

We collect metrics, events, logs and traces (MELT) to attain observability. When we get an event, we assign it to rightful owner, who in turn take a decision to resolve…

Web defacement attack – Symptoms & Remediation

By Pandian Ramaiah February 19, 2024DevSecOps, Observability

Website defacement changes website content by hackers. Monitor 10 signs like DNS change, suspicious links, and new iframes. Take down the site, change passwords, investigate the attack, and restore from backup. Fix security weaknesses and improve practices to prevent future attacks. Remember regular backups and patching!

DBS takes accountability of its IT resilience

By SRE Digest February 9, 2024SRE

Mr. Gupta, CEO of DBS Bank, acknowledged the bank's recent technological failings and its $25 million expenditure toward a $80 million goal for tech improvements. Following service outages that disrupted customer transactions, the bank faced regulatory sanctions, including a ban on non-essential IT changes and higher capital requirements. Senior executives took pay cuts, including a 30% salary reduction for Gupta, as a part of accountability measures. The events underscore the need for robust site reliability practices in Singapore's advanced digital payment landscape.

What is MELT? Why is it Essential for Observability?

By Pandian Ramaiah February 4, 2024Observability, SRE

MELT, an acronym for Metrics, Events, Logs, and Traces, is a framework essential in SRE for comprehensive system performance monitoring. It facilitates observability by providing data on system health, recording events, offering detailed logs, and tracing complex transactions. Through MELT, businesses can proactively manage their systems and enhance user experiences.