Category: System

Linux (238)
Windows (383)

5 Simple and Practical VPS Performance Testing Methods

When browsing VPS review blogs or stumbling upon discounted VPS deals through various ad channels, it’s easy to get excited about the price and hardware specs. Before making a purchase, we need to factor in user reviews and our own evaluation criteria. Most importantly, once we buy a server or get access to a free trial machine…

A Guide to Linux init.d and rc.d: Understanding the Runtime Process

What Are the Steps Involved in a Linux Boot Process? This article details the role of different runlevels during startup.
For advanced users coming from DOS/Win9x/NT platforms, Linux might seem like a strange beast. There’s no config.sys, no autoexec.bat, and those personalized machine configurations you’re used to are nowhere to be found …

Linux mpstat Command 鈥?Report Processor Statistics

Today’s computers typically use multi-processor or quad-core single-processor configurations. On the server side, more processors or cores mean greater capability, but on the other hand, applications also require higher energy consumption. You may also have encountered a scenario where your CPU utilization is high, yet you feel…

Linux User Access Authorization

Starting today, the platform has officially been migrated to Linux—finally marking a new beginning. Although it came a bit late, I’m still very happy. Moving the platform over has been a long-held aspiration of mine throughout my time in the computer field. I’ve always been optimistic about Linux’s prospects, and as expected, over the years it has…

10 Most Dangerous Commands You Should Never Run on Linux

The Linux command line is useful, efficient, and fun, but it can also be dangerous at times, especially when you’re not sure what you’re doing. This article is not intended to stir up anger towards Linux or the Linux command line. We just want to make you aware that when running certain commands, you should …

How to Check File and Folder Sizes in Linux

When disk usage exceeds standard thresholds, an alert will be triggered. Knowing how to use the df and du commands is a wise choice in such situations.
df can display the size of first-level folders, usage ratio, file system, and their mount points, but it is powerless when it comes to individual files.
du can show the size of both files and folders.
The two …

Design Guide for E-Commerce Help Centers

Over the past few days, while participating in design reviews for the Help Center, I鈥檝e run into some questions: What exactly is the purpose of a Help Center? What should a Help Center help users with? When the Help Center starts getting heavy traffic, should we find ways to fully leverage it? Should a Help Center include a UGC module? This blog post records my thoughts on help …

How Long Does a Hard Drive Last?

Over the past 30 years, the hard drive has been the workhorse of storage, and no one would doubt its critical role in a computer. Hard drives typically store users’ most important information, and given our heavy reliance on them, people invariably share a common concern: How long does a hard drive actually last? …