ITworld - Unix as a Second Language http://www.itworld.com/blogs/views/recent/rss.xml/81 en Poetry for sysadmins on their special day http://www.itworld.com/it-management/428488/poetry-sysadmins-their-special-day Don&#039;t forget that tomorrow is Sysadmins Day -- a good day to show love to the folks who save your butt again and again when you mess up your computer. Here are some poems, tailored just for them.<p><a href="http://www.itworld.com/it-management/428488/poetry-sysadmins-their-special-day" target="_blank">read more</a></p> http://www.itworld.com/it-management/428488/poetry-sysadmins-their-special-day#comments IT Management Operating Systems How-to itcareers appreciation love poetry sysadmin sysadmin day system administrator Thu, 24 Jul 2014 11:41:46 +0000 Sandra Henry-Stocker 428488 at http://www.itworld.com Unix: Knowing your memory commands http://www.itworld.com/operating-systems/427911/unix-knowing-your-memory-commands Memory is one of the most important parts of your Unix system for performance. Let&#039;s look at some commands that will tell you what you need to know about the memory on the systems you manage is being used.<p><a href="http://www.itworld.com/operating-systems/427911/unix-knowing-your-memory-commands" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/427911/unix-knowing-your-memory-commands#comments Open Source Operating Systems How-to software free meminfo memory pagesize prtconf sar Top vmstat Sun, 20 Jul 2014 21:44:14 +0000 Sandra Henry-Stocker 427911 at http://www.itworld.com How to choose passwords to improve your life http://www.itworld.com/operating-systems/426851/unix-how-passwords-can-improve-your-life It&#039;s no longer just a matter of &quot;Can you remember them?&quot;. Your passwords can serve as a form of catharsis or a way to remind yourself of where you want to be in life.<p><a href="http://www.itworld.com/operating-systems/426851/unix-how-passwords-can-improve-your-life" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/426851/unix-how-passwords-can-improve-your-life#comments Operating Systems Security Best practice servers catharsis complicated passwords remind safe tricks Sat, 12 Jul 2014 20:29:49 +0000 Sandra Henry-Stocker 426851 at http://www.itworld.com Unix: Never go topless http://www.itworld.com/operating-systems/426129/unix-never-go-topless The top command is one of the most commonly used tools for getting a quick glimpse at performance, but it&#039;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.<p><a href="http://www.itworld.com/operating-systems/426129/unix-never-go-topless" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/426129/unix-never-go-topless#comments Open Source Operating Systems datacenter How-to batch cron iterations performance Top Mon, 07 Jul 2014 23:38:02 +0000 Sandra Henry-Stocker 426129 at http://www.itworld.com Unix: Having fun with diff http://www.itworld.com/operating-systems/425001/unix-having-fun-diff 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?<p><a href="http://www.itworld.com/operating-systems/425001/unix-having-fun-diff" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/425001/unix-having-fun-diff#comments IT Management Operating Systems development How-to compare comparison diff ed files patch script Sat, 28 Jun 2014 21:37:22 +0000 Sandra Henry-Stocker 425001 at http://www.itworld.com Penetration Testing: A Hands-On Introduction to Hacking by Georgia Weidman, no starch press, 2014 http://www.itworld.com/security/424088/unix-penetration-testing-hands-introduction-hacking-georgia-weidman-no-starch-press- Most 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.<p><a href="http://www.itworld.com/security/424088/unix-penetration-testing-hands-introduction-hacking-georgia-weidman-no-starch-press-" target="_blank">read more</a></p> http://www.itworld.com/security/424088/unix-penetration-testing-hands-introduction-hacking-georgia-weidman-no-starch-press-#comments IT Management Security Book review security book Georgia Weidman hacking penetration testing Sun, 22 Jun 2014 20:47:16 +0000 Sandra Henry-Stocker 424088 at http://www.itworld.com The very worst subject lines http://www.itworld.com/business-intelligence/423302/very-worst-subject-lines If you&#039;re going to be shooting out email messages as part of your job, you really ought to think about your recipients&#039; reactions. Here are some of the least reader-friendly subject lines and why they likely won&#039;t work.<p><a href="http://www.itworld.com/business-intelligence/423302/very-worst-subject-lines" target="_blank">read more</a></p> http://www.itworld.com/business-intelligence/423302/very-worst-subject-lines#comments Business Intelligence Small Business itcareers Opinion bad dumb email misleading stupid subject Tue, 17 Jun 2014 02:04:12 +0000 Sandra Henry-Stocker 423302 at http://www.itworld.com Unix: Root cause analysis http://www.itworld.com/operating-systems/422211/unix-root-cause-analysis History repeats itself and so will system problems if you don&#039;t get to the root of what is causing them.<p><a href="http://www.itworld.com/operating-systems/422211/unix-root-cause-analysis" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/422211/unix-root-cause-analysis#comments IT Management Operating Systems Best practice datacenter analysis evidence Fix root cause track why Sun, 08 Jun 2014 19:35:00 +0000 Sandra Henry-Stocker 422211 at http://www.itworld.com Unix: Why you should love nmap http://www.itworld.com/operating-systems/421765/unix-why-you-should-love-nmap Discovering hosts and services isn&#039;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.<p><a href="http://www.itworld.com/operating-systems/421765/unix-why-you-should-love-nmap" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/421765/unix-why-you-should-love-nmap#comments Business Intelligence Operating Systems How-to opensource nmap OS detection ports scan Wed, 04 Jun 2014 18:50:05 +0000 Sandra Henry-Stocker 421765 at http://www.itworld.com A trip down Unix memory lane http://www.itworld.com/operating-systems/420364/unix-trip-down-unix-memory-lane 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.<p><a href="http://www.itworld.com/operating-systems/420364/unix-trip-down-unix-memory-lane" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/420364/unix-trip-down-unix-memory-lane#comments Career Operating Systems itcareers Opinion 1970s 1980s career Linux memories Solaris Unix Mon, 26 May 2014 21:50:23 +0000 Sandra Henry-Stocker 420364 at http://www.itworld.com Unix: Database connection testing http://www.itworld.com/operating-systems/419374/unix-database-connection-testing 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 &quot;Windows&quot;.<p><a href="http://www.itworld.com/operating-systems/419374/unix-database-connection-testing" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/419374/unix-database-connection-testing#comments Development Operating Systems applications How-to connect database query Test Unix Windows Mon, 19 May 2014 01:43:52 +0000 Sandra Henry-Stocker 419374 at http://www.itworld.com Unix: Automating your server inventory http://www.itworld.com/operating-systems/418542/unix-automating-your-server-inventory 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.<p><a href="http://www.itworld.com/operating-systems/418542/unix-automating-your-server-inventory" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/418542/unix-automating-your-server-inventory#comments Business Intelligence Operating Systems datacenter How-to commands configuration CPUs inventory memory Oracle server Mon, 12 May 2014 21:42:33 +0000 Sandra Henry-Stocker 418542 at http://www.itworld.com How babies are like Unix http://www.itworld.com/operating-systems/417436/unix-how-babies-are-unix If you&#039;ve been managing Unix systems for any length of time, you&#039;ve undoubtedly noticed that the systems you manage develop personalities and start to feel like family.<p><a href="http://www.itworld.com/operating-systems/417436/unix-how-babies-are-unix" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/417436/unix-how-babies-are-unix#comments Offbeat Operating Systems operatingsystems Opinion Unix Mon, 05 May 2014 02:57:06 +0000 Sandra Henry-Stocker 417436 at http://www.itworld.com Unix: Raspberry Pi: A Quick-Start Guide, Second Edition, Maik Schmidt http://www.itworld.com/operating-systems/416336/unix-raspberry-pi-quick-start-guide-second-edition-mail-schmidt 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.<p><a href="http://www.itworld.com/operating-systems/416336/unix-raspberry-pi-quick-start-guide-second-edition-mail-schmidt" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/416336/unix-raspberry-pi-quick-start-guide-second-edition-mail-schmidt#comments Operating Systems Book review opensource build.experiment computer Linux Raspberry Pi Sun, 27 Apr 2014 13:58:43 +0000 Sandra Henry-Stocker 416336 at http://www.itworld.com Unix: Counting chickens or anything else http://www.itworld.com/operating-systems/415401/unix-counting-chickens-or-anything-else 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?<p><a href="http://www.itworld.com/operating-systems/415401/unix-counting-chickens-or-anything-else" target="_blank">read more</a></p> http://www.itworld.com/operating-systems/415401/unix-counting-chickens-or-anything-else#comments Development Operating Systems How-to opensource count for grep locate loop pattern Perl word Sun, 20 Apr 2014 22:45:25 +0000 Sandra Henry-Stocker 415401 at http://www.itworld.com