Category: Technical
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Computing Memory Usage According to Task Manager
When you look at Task Manager, it’s hard to compare it to any counter you see in Performance Monitor. The reason is there are many ways to discuss memory usage and it’s cousin free memory. If you think about it, you really don’t want your computer to have free memory laying around. That would represent […]
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Ping and the Windows DNS Cache
We’ve been chasing an issue lately and learned a few things, so we thought we’d document them for posterity. When you use the Windows ping command line utility, you give it an IP address or host name, it resolves the host name if needed, pings the address, and gives you the results. Simple, right? […]
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Windows 10 Optimization Tips: Improving Performance
By Des Nnochiri While Windows 10 has delivered some performance improvements over its predecessors, there are still areas where the latest version of Microsoft’s operating system (OS) can—and should—do better. In this first installment of a two-part guide, we’ll be offering some tips and tweaks aimed at boosting the performance of your […]
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Identifying Duplicate Files in Linux
By Des Nnochiri Keeping redundant copies of essential files and programs can assist in recovery when system glitches or other incidents occur. However, duplicate files also hold the potential to confuse matters and introduce errors. It’s possible to have too much of a good thing, so keeping track of these duplicates is always a […]
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Toughening Security for Linux Servers
By Des Nnochiri As with any other operating system, security is a prime concern with Linux network hardware. In this article, we’ll be giving some recommendations on how to toughen the security posture of your Linux servers. Screenshots and example syntax relate to systems running Kali Linux, CentOS, RHEL, Ubuntu, and Debian-based Linux distributions. […]
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Using PowerShell 5 in Windows 7
By Des Nnochiri PowerShell has long been a go-to utility for Windows network users, and Windows 7 remains a powerful player in the Microsoft ecosystem. Though the company plans to withdraw support for the operating system in 2020, Windows 7 is still the Windows variant of choice for many users across the globe. […]
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Essential Shell Commands for Linux
By Des Nnochiri Even if the Linux distribution that you’re using has a GUI (Graphical User Interface), it’s likely that the bulk of your work will involve shell commands, entered via a command line terminal. Basic shell programming, application development, and the more complex aspects of network monitoring and administration will all proceed from […]
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Top 7 Websites to Learn Coding for Free
Even if you’re not a fully dedicated developer, custom scripts and code snippets often come in handy for administrative and maintenance tasks. Coding in various languages is part of the background of many system administrators. But for those unfamiliar with programming code—or those wishing to use unfamiliar languages for specific tasks or dependencies—we’ve assembled a […]
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How to Strengthen Security on Windows 10 Networks
By Des Nnochiri The Windows 10 operating system has had a reputation for poor design and lax practices on information privacy and security for some time. It’s debatable exactly how bad the OS actually is or isn’t in this regard. In this article, we’ll be exploring some methodologies and best practices for hardening the […]
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Almost Free Remote Support / Remote Access Tool
Executive Summary: Practically unlimited remote desktop support / remote access for a one time cost of $125! Just install the remote agent and you can access devices at the remote agent’s site. It just works! Really? Sounds like a scam? No, we’ve had this underappreciated feature for years. Time to get the word out […]