• Unix: Better network connection insights with mtr

    Posted August 31, 2014 - 8:08 pm

    Traceroute is still a great tool, but mtr ("my traceroute") provides even more insights when you're looking into network routing problems.
  • 3 essential tools for when you're the family tech support person

    Posted December 24, 2013 - 12:42 pm

    Because going back home for the holidays often means fixing your family's computers
  • Unix: Having your way with strace

    Posted October 14, 2013 - 3:58 pm

    Ever need to look into a Unix process to see exactly what it's doing? The ps and top commands only give you a bird's eye view of what's going on. But strace will let you peer into a process' inner workings.
  • Find and fix Microsoft Office problems with Microsoft's free OffCAT utility

    Posted October 8, 2013 - 1:15 pm

    Sometimes you'll even find issues to troubleshoot you didn't know existed
  • Debug your phone with these hidden Android secret codes

    Posted April 5, 2013 - 1:02 pm

    Troubleshooting secret codes for Samsung, HTC, Motorola, and other devices
  • Mac troubleshooting: What to do when your computer is too slow

    Posted February 2, 2013 - 8:45 am

    It happens to every Mac user sooner or later. The virtual gears inside your computer begin to act as though they're running in a vat of tapioca pudding. No matter what you try to do, your Mac moves at a pace that a snail could run circles around. But before carting your Mac off to an Apple Genius Bar, try these fixes.
  • The most useful posts from Mobilize! in 2012

    Posted January 1, 2013 - 5:07 pm

    May I present, in list form, the most helpful and useful things I wrote at ITWorld in 2012.
  • Android should collect and share information on third-party 'skins'

    Posted December 3, 2012 - 4:59 pm

    Samsung and its competitors, working with the carriers, want to differentiate their individual phones, and they do so by adding things, as one might do with stickers on a laptop.
  • Review

    DevOps Troubleshooting: Linux server best practices

    Posted December 2, 2012 - 8:26 pm

    Do you get calls at odd hours because some critical service that you support on your Linux server has stopped working? Here's some late night reading that might help you get the rest you deserve.
  • 5 rules for better troubleshooting

    Posted November 30, 2012 - 2:59 pm

    Troubleshooting a downed mission-critical system can be terrifying, but a slow, methodical approach can save you time.
  • A fix-it flowchart for fixing or resetting Android devices

    Posted November 2, 2012 - 12:16 pm

    Sometimes there is something so wrong with an Android that it just barely works, or not at all. For those problems, I usually suggest these step-by-step measures.
  • How to troubleshoot your PC: A hypochondriac's guide

    Posted May 26, 2012 - 7:35 am

    According to the universal law articulated by Edward Murphy--we're not closely related--anything that can go wrong will go wrong. And when the wrong thing happens to your desktop PC, it can plunge you into a nightmare of unknown but seemingly malevolent forces. It's pretty easy to tell that something has gone wrong with your system. What once was fast is now slow; what once worked is now blue-screening; what once smelled okay or sounded fine now imparts the odor of overheated plastic or the screech of grinding metal gears.
  • The 21 greatest PC mysteries -- solved!

    Posted January 24, 2011 - 2:06 pm

    Modern PCs are certainly marvels of technology--and yet for all their advances, computers still do crazy, inexplicable things. With the average machine, there's enough mystery to keep Sherlock Holmes or Miss Marple hopping for a month--and enough frustration to make the average user want to commit murder most foul.
  • Troubleshoot your Apple iPad

    Posted December 1, 2010 - 3:14 pm

    Anyone who has spent any amount of time with an iPad will know that -- like all computers -- it sometimes doesn't do what it's supposed to do. It could be a frozen screen, a system that overheats or a refusal to recharge. The result is the same: You have to figure out what's wrong with it and how to get it back on the straight and narrow.
  • 10 secrets to troubleshooting technology problems

    Posted October 5, 2010 - 5:02 pm

    Years of experience has revealed some key approaches to resolving problems like network outages.
  • Wireless Network Troubleshooting

    Posted October 10, 2009 - 3:00 pm

    Following is a series of questions that can used as a guideline during the troubleshooting process.
  • The Basics Of Network Troubleshooting

    Posted September 20, 2009 - 6:28 pm

    The process of troubleshooting your network involves a methodology that starts with cabling and works through the OSI model to the application layer. The network devices have a network cable that terminates at a wired switch. Cabling is a source of a lot of network problems.
  • Five helpful Mac troubleshooting tools you already have

    Posted May 18, 2009 - 5:29 pm

    Apple's Disk Utility and its First Aid feature may be one of the best and most familiar places to turn when things go wrong. But there are many problems that First Aid can't solve. In such cases, Apple's diagnostic programs may come to the rescue. Here are the ones I depend upon most often:
  • Windows tip: Working with GPLogView

    Posted November 24, 2008 - 6:11 pm

    How to use GPLogView.exe to troubleshoot Group Policy processing in Windows Vista and later.
  • Windows tip: How to troubleshoot Group Policy issues

    Posted November 24, 2008 - 6:09 pm

    Here's a systematic procedure you can follow when troubleshooting Group Policy processing issues in Windows Vista and later.
  • Troubleshooting SaaS performance issues

    Posted September 23, 2008 - 2:22 pm

    Traditional network troubleshooting tools and processes were developed around the hub-and-spoke concept, with remote applications the spokes into servers in a centralized data center. But Saas applications that are delivered from an off-site provider’s data center defy traditional monitoring assumptions and require a new methodology for troubleshooting.
  • Troubleshooting Messages Stuck in Outbox

    Posted September 19, 2008 - 7:03 am

    Are your Outlook messages getting stuck in your Outbox? Here's what might be wrong.
  • Recording All Activity on a Server

    Posted August 27, 2008 - 6:00 am

    Ever wanted to record everything anyone does while logged on to your server? Here's a product that can help you do just that.
  • How to remotely troubleshoot someone else's PC

    Posted August 20, 2008 - 5:24 pm

    Both Windows XP and Vista come with remote control programs called Remote Assistance, but they're too difficult for a novice to set up. As forum member smax013 explained on this question's original forum post, "you will need to know [the novice's] IP address...AND you will have to have Remote Desktop server function setup to run on her computer...AND you will need to configure any broadband router and/or software firewall on her end to allow the connection through to THAT specific computer."

  • Windows Tips: Advice from Windows experts

    Posted April 19, 2006 - 11:46 am

    Systems administrators can never have enough short cuts or creative troubleshooting ideas. In this series, Mitch Tulloch, a well-known industry expert specializing in Windows server operating systems, provides advice for every day administration as well as more challenging problems.
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