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Cloud

How to Recover an Unbootable GCP VM Instance

by Anjali Sindhu October 13, 2026
written by Anjali Sindhu

A virtual machine (VM) that fails to boot can quickly disrupt applications, websites, and business operations. In Google Cloud Platform (GCP), an unbootable VM may result from corrupted file systems, failed operating system updates, incorrect startup configurations, disk errors, or accidental changes to system files. Fortunately, GCP provides several recovery options that allow administrators to troubleshoot and restore a VM without rebuilding it from scratch. By following a structured recovery process, you can identify the root cause, recover important data, and return the instance to service with minimal downtime. This guide explains the common causes of boot failures and the best methods for recovering an unbootable GCP VM instance. Common Causes of an Unbootable VM A GCP VM may fail …

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October 13, 2026 0 comments
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Cloud

How to Reduce Your Google Cloud Costs Without Sacrificing Performance

by Anjali Sindhu October 13, 2026
written by Anjali Sindhu

Cloud computing has transformed the way businesses build, launch, and scale applications. Instead of investing heavily in physical infrastructure, organizations can use cloud platforms such as Google Cloud to access computing power, storage, databases, networking, and advanced services whenever they need them. However, convenience and scalability can also lead to unexpected expenses. If cloud resources are not monitored and managed properly, monthly bills can increase quickly. The good news is that reducing Google Cloud costs does not necessarily mean reducing application performance. With the right strategy, businesses can optimize their cloud environment, eliminate waste, and maintain a reliable user experience. Here are practical ways to control your Google Cloud spending while keeping your applications performing efficiently. 1. Understand Where Your …

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October 13, 2026 0 comments
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Linux

How to Investigate Sudden Memory Spikes on Linux Servers

by Anjali Sindhu October 13, 2026
written by Anjali Sindhu

A sudden increase in memory usage on a Linux server can be confusing and stressful, especially when everything appeared normal just a few minutes earlier. A memory spike doesn’t always mean that the server has a memory leak or that it is about to run out of RAM. Temporary workload increases, filesystem caching, application behaviour, background jobs, containers, and kernel activity can all contribute to higher memory usage. The key is to investigate what changed, which process consumed the memory, and whether the memory can be reclaimed. This guide walks through a practical approach to investigating sudden memory spikes on Linux servers. 1. Confirm That Memory Usage Actually Increased Before investigating individual processes, confirm that the system is experiencing a …

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October 13, 2026 0 comments
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Linux

How to Investigate Memory Leaks on a Linux Hosting Server

by Anjali Sindhu October 13, 2026
written by Anjali Sindhu

Memory leaks are among the most frustrating performance problems on a Linux hosting server. A server may run normally for hours or even days, then gradually consume available RAM until applications slow down, processes terminate, or the entire system becomes unstable. Unlike a sudden CPU spike, a memory leak can be difficult to identify because memory usage often increases gradually. The good news is that Linux provides several powerful tools to monitor memory, identify problematic processes, and determine whether an application is actually leaking memory. This guide explains a practical approach to investigating memory leaks on a Linux hosting server. What Is a Memory Leak? A memory leak occurs when a running application allocates memory but fails to release it …

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October 13, 2026 0 comments
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Miscellaneous

 Troubleshooting AWS VPC Routing Issues That Break Applications

by Anjali Sindhu October 9, 2026
written by Anjali Sindhu

The AWS VPC routing problem can be solved by checking each network element to determine where the traffic is being stopped or improperly routed. AWS VPC routing is used in AWS Virtual Private Cloud for traffic management. The incorrect routing settings in the route tables of the VPC could cause trouble in the communication of the application with its database, servers, or the internet because of the absence of routes, incorrect configuration of gateways, or incorrect association of the subnet. These factors could result in poor performance of the application, connection timeouts, and even failure of the whole system. Common reasons, 1. The application can’t reach the internet 2. The instances do not communicate with each other 3. The database …

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October 9, 2026 0 comments
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Miscellaneous

Troubleshooting: Fix Apache Status and AutoSSL “Unmanaged” Errors 

by Anjali Sindhu October 9, 2026
written by Anjali Sindhu

Managing a cPanel server often involves dealing with issues that appear suddenly even when websites are still running normally. Two errors that can confuse server administrators are “Failed to receive status information from Apache” when checking Apache status and the AutoSSL message “domain.tld is unmanaged.” Although these messages are different, both can usually be investigated through cPanel & WHM, service configuration, and command-line checks. Understanding what each error means makes troubleshooting much faster and helps prevent unnecessary changes to a working server. In this guide, we will look at the possible causes of both problems and discuss practical ways to diagnose them. 1. Apache Status: “Failed to Receive Status Information from Apache” Apache is responsible for serving HTTP and HTTPS …

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October 9, 2026 0 comments
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Miscellaneous

Top Infrastructure Security Lessons from Recent Critical CVEs

by Anjali Sindhu October 9, 2026
written by Anjali Sindhu

Cyber threats continue to evolve at an unprecedented pace, and critical Common Vulnerabilities and Exposures (CVEs) remain one of the biggest challenges for IT teams. Over the past few years, attackers have rapidly exploited newly disclosed vulnerabilities in operating systems, virtualization platforms, networking devices, VPN appliances, cloud infrastructure, and enterprise applications—often within hours of public disclosure. The biggest lesson is clear: organizations can no longer rely solely on traditional perimeter security. Infrastructure security today requires continuous visibility, rapid vulnerability management, proactive monitoring, and a well-defined incident response strategy. In this blog, we’ll explore the most important infrastructure security lessons learned from recent critical CVEs and how organizations can strengthen their cyber resilience with the right security approach. Why Critical CVEs …

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October 9, 2026 0 comments
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Linux

The Server Wasn’t Out of RAM: Investigating a Linux OOM Event From Kernel Logs

by Anjali Sindhu October 9, 2026
written by Anjali Sindhu

When a production server suddenly kills a process, the first assumption is often simple: the server ran out of memory. That assumption can be misleading. Linux can invoke the Out-Of-Memory (OOM) killer even when monitoring dashboards show apparently available RAM. The reason is that Linux memory management is more complicated than looking at one number such as free memory. Allocation constraints, memory zones, cgroups, fragmentation, reserved memory, and kernel behavior can all contribute to an OOM event. Recently, I investigated an OOM incident where the server appeared to have enough RAM. The kernel logs told a different story. The First Clue: The Kernel Log The investigation started with the usual commands: dmesg -T | grep -i -E “oom|out of memory|killed …

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October 9, 2026 0 comments
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Linux

The Server Wasn’t Down: Diagnosing a Linux Kernel Soft Lockup

by Anjali Sindhu October 9, 2026
written by Anjali Sindhu

A production server can look completely healthy from the outside and still be experiencing a serious kernel problem. The server may still respond to some network requests. SSH might work intermittently. Monitoring may report that the machine is online. Yet applications can become extremely slow, CPUs can remain busy, and kernel log messages can reveal that a CPU has been stuck executing kernel code for an unusually long period. This can be confusing during an incident because a soft lockup is not the same thing as a server crash or complete system hang. The key is to understand what Linux is actually reporting. The First Clue: “CPU Stuck” The investigation usually starts with the kernel log. You might see something …

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October 9, 2026 0 comments
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Miscellaneous

Role-Based Access Control (RBAC): Strengthening Server Security Through Smart Access Management

by Anjali Sindhu October 9, 2026
written by Anjali Sindhu

Modern organizations depend heavily on servers to store information, run applications, manage databases, and support day-to-day business operations. Because so many important resources are concentrated on servers, controlling who can access them is a fundamental part of cybersecurity. Giving every employee unrestricted access can create serious security problems, while managing individual permissions for hundreds of users can become complicated and time-consuming. Role-Based Access Control (RBAC) offers a practical solution. Instead of deciding separately what every individual user can access, RBAC organizes permissions around the responsibilities of different users. People receive access according to their assigned roles, making security policies easier to manage and helping organizations prevent unnecessary access to sensitive resources. What Does RBAC Mean? Role-Based Access Control is an …

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October 9, 2026 0 comments
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  • How to Recover an Unbootable GCP VM Instance
    A virtual machine (VM) that fails to boot can quickly disrupt applications, websites, and business operations. In Google Cloud Platform (GCP), an unbootable VM may result from corrupted file systems,…
  • How to Reduce Your Google Cloud Costs Without Sacrificing Performance
    Cloud computing has transformed the way businesses build, launch, and scale applications. Instead of investing heavily in physical infrastructure, organizations can use cloud platforms such as Google Cloud to access…
  • How to Investigate Sudden Memory Spikes on Linux Servers
    A sudden increase in memory usage on a Linux server can be confusing and stressful, especially when everything appeared normal just a few minutes earlier. A memory spike doesn’t always…

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