Operations | Monitoring | ITSM | DevOps | Cloud

For many organizations, modernizing their VMs before migrating them is not a realistic option, especially when external events trigger the migration. Mapping dependencies and refactoring network configurations before the deadline is impractical, forcing VMs to move as they are. The mechanics of moving a VM are largely solved.

The NAS Died. My WhatsUp Gold Server Died With It. WhatsUp Gold 360 Still Alerted Me. A real home-lab failure shows why always-on external monitoring and cloud-originated notifications matter when the local monitoring stack becomes part of the outage. On April 13, 2025, the NAS providing NFS storage to several virtual machines in my Proxmox lab locked up and halted.

Your enterprise network is more distributed, diverse, and complex than ever before. Your campus, WAN, data center, and SD-WAN environments span multiple technologies and vendors. Now more than ever, the complex relationships between devices, interfaces, and network layers are critical to your day-to-day operations. When an issue arises, knowing that something is wrong is only the beginning.

A firewall running low on memory rarely fails all at once. It degrades first. Connections drop intermittently, policies take longer to process, and by the time the device becomes unresponsive, the problem has been building for days or weeks. This article walks through what firewall memory usage actually means, what causes it to climb, how to spot the symptoms early, and how to troubleshoot and fix it before it takes your network down with it.

Java is a common development language in part because of how well it works for programming tasks involving objects. Because so many organizations rely on Java applications for business-critical functions, providing adequate resources for these apps is essential. Running Java applications on Java Virtual Machines (JVMs) rather than on physical hardware can increase an organization’s computing power without the overhead expenses of additional hardware.

Sites often try to record information about visitors, which is why you’re often asked if you accept the use of cookies. When users want to remove the information collected, they clear the cache of their browsers. What many people don’t realize, though, is information is also stored in the domain name server (DNS) cache. This guide will explain in more detail what the cache is, how it’s used, and why it’s important to sometimes flush the DNS server cache.

An average business user must deal with tens, if not hundreds, of passwords daily. Therefore, getting password management right in a business environment may seem like a daunting task. The largest players tend to pick one of the enterprise-grade solutions to ensure security and flexibility, as well as enjoy plenty of extra features that make their processes more efficient. Read on as we walk you through our selection of what we believe is the best password management software out there.