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Member since: June 2008
Sandra Henry-Stocker has been administering Unix systems for more than 25 years. She describes herself as "USL" (Unix as a second language) but remembers enough English to write books and buy groceries. She currently works for TeleCommunication Systems -- a company that builds innovative technologies to make critical connections happen -- where no one else necessarily shares any of her opinions. Send comments and suggestions to email@example.com.
- It's no longer just a matter of "Can you remember them?". Your passwords can serve as a form of catharsis or a way to remind yourself of where you want to be in life.
1 day 4 hours ago
- The top command is one of the most commonly used tools for getting a quick glimpse at performance, but it's rarely used to capture performance in the middle of the night. With just a little effort, however, it could become one of your favorite tools for off-hours capture of performance data.
6 days 1 hour ago
- The diff command can be your best friend when you’re troubleshooting problems on a Unix system, but are you using it effectively as you could?
2 weeks 1 day ago
- Sandra Henry-Stocker wrote Unix: Penetration Testing: A Hands-On Introduction to Hacking by Georgia Weidman, no starch press, 2014Most everything you need to know to get started as a penetration tester in less than 500 pages? This book provides a very practical hands-on introduction to the art of hacking. But you will need to sit yourself down and let your fingers get a lot of exercise before you put yourself on the market as a pro.
3 weeks 4 hours ago
- If you're going to be shooting out email messages as part of your job, you really ought to think about your recipients' reactions. Here are some of the least reader-friendly subject lines and why they likely won't work.
3 weeks 5 days ago
- History repeats itself and so will system problems if you don't get to the root of what is causing them.
5 weeks 5 hours ago
- Discovering hosts and services isn't just something that hackers do. A good sysadmin needs to work with an up-to-date view of the systems they manage or those they want to keep an eye on.
5 weeks 4 days ago
- Long before the Internet, the web, flat screen monitors, Google, Facebook, languages like Python and Ruby, interactive games, and wireless just about anything, some of us were fascinated by what we could do with large, clunky systems that today look more like dinosaurs to us than computers.
6 weeks 6 days ago
- Before you try to try to get your Unix system collecting data from a database that someone else manages, you might want to run some simple tests from a Windows desktop. Yes, I said "Windows".
7 weeks 6 days ago
- Keeping an up-to-date inventory of your Unix servers can be less painful if you throw a bunch of helpful Linux commands into a script that you run periodically.
8 weeks 6 days ago
- If you've been managing Unix systems for any length of time, you've undoubtedly noticed that the systems you manage develop personalities and start to feel like family.
9 weeks 6 days ago
- Get yourself a $35 computer, a copy of this book, and you will likely discover a side of computing that expands your view of what computing is all about.
11 weeks 10 hours ago
- Unix tools make it easy to find strings in files, but what if you want to find specific whole words, more complex text patterns, or every instance of a word or pattern?
12 weeks 2 hours ago
- The top command is one of the most useful commands for getting a quick glimpse into how your Unix server is performing, but stopping there might mean that you're missing out on a lot of interesting options.
13 weeks 6 hours ago
- You can spend 50-60 hours a week managing your Unix servers and responding to your users' problems and still feel as if you're not getting much done or you can adopt some good work habits that will both make you more successful and prepare you for the next round of problems.
14 weeks 1 day ago
- Want to give your small company's staff more ability to collaborate and communicate? Check out Bitrix24, now with free shared storage.
15 weeks 1 day ago
- The ifconfig command doesn't suck; it's just not as cool or sophisticated as ip.
15 weeks 6 days ago
- Need a jump start on Unix networking? Whether you're working on your home network or setting up systems at work, here are some Unix commands and insights that might prove helpful.
17 weeks 5 hours ago
- Unix systems administrators tend to be very serious about their responsibilities -- except when they're not. And, when they're not, the pranks that they play on each other and some of their more annoying users might surprise you.
18 weeks 3 hours ago
- The find command is one of the most basic Unix commands, but that doesn't mean you're making good use of its many features.
19 weeks 1 day ago
- You might be the sole Unix geek at work or one among many, but there are things we can all do to develop and maintain better relationships with the people lucky enough to work with us.
20 weeks 1 hour ago
- Pushing and popping might not be your idea of a good time, but some Unix admins swear that these operations make working in multiple directories as easy as 1, 2, 3, 2, 1.
20 weeks 6 days ago
- Leaving a job can be one of the hardest decisions you'll ever make. You know the routine, you've made many friends, you know what's expected of you ... but the last thing you want to do is wake up one day and realize that you're no longer marketable or happy. How can you think your way through such a tough decision?
22 weeks 8 hours ago
- Are you confident that all the accounts you manage are still required and still current? Or might some of them be ghost accounts that you should have blocked five years ago?
23 weeks 1 day ago
- Do you find yourself rewriting scripts because it's easier than finding or modifying your old ones? Do you find yourself spending far too much time reworking scripts when you need to make what seems like a small change? Let's look at how you can write scripts that are easier to reuse and easier to maintain.
24 weeks 1 day ago
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