INTEL ATOM C2000 CPU FAULT

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The Intel Atom C2000 processor is widely used in embedded applications. Cisco has issued a warning that versions of its routing, optical networking, security and switch products prior to November 16, 2016 are unreliable – and may fail in the next year and a half, rendering affected hardware permanently inoperable. Apparently there is an issue with …

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COMMON HARD DISK PROBLEMS

Forums are full of posts with people inquiring about a disk that is not working. One of the most common problems is due to BIOS errors. Its advisable to use BIOS defaults and only select AHCI for modern hard disks only. Even modern UEFI boards default to IDE for legacy operating systems. If the hard …

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ADVERTISING WIDGETS FOR WORDPRESS

There are several advertising widgets for WordPress. Most are commercial as they want a piece of the action. There are a few free ones that are crippled commercial ones. We use a 325 pixel wide sidebar on this site which fits the 300×250 medium banner ad. This size of banner is a very common format …

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HELPFUL WORDPRESS PLUGINS

Over 1 million sites use WordPress. We have become expert WordPress both with Linux hosted or with Windows Server. One posted online the entire site is managed with a browser. This few plugins are very helpful and are the best choice for websites. SITEMAP.XML Google and Bing both want sitemap.xml files so that it makes …

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WEB SERVER PERFORMANCE

Web servers today are a real mixed bag as prices for services have come down so much. To run a successful server swarm needs some resources. Blade servers are the most common hardware available. Most individual machines can be equipped with at least 128GB of memory. With dual sockets and modern 8 core 16 core …

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WDC EXPANDS STORAGE

WDC has announced some new storage products for enterprise users. The Ultrastar He12 now brings their capacity up to 12TB. WDC claims 2.5 million hours MTBF but we are much too cynical. The disk is available with SAS and SATA interfaces. WDC is looking at HAMR to bump capacity to 16TB by 2018. WDC says it …

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WORDPRESS 4.7

WordPress 4.7 has now been released. Version 4.7 of WordPress, named “Vaughan” in honor of legendary jazz vocalist Sarah “Sassy” Vaughan, is available for download or update in your WordPress dashboard. New features in 4.7 help you get your site set up the way you want it. The new REST API will be helpful for new …

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CHOWN

Chown is the Linux tool to change ownership of a file or directory. The general chown user group filename syntax is all that is needed.. $ sudo su # cd /var/mail # for x in * # do # chown $x $x # done # exit can fix a mail system that has ownership problems …

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SCHEDULED CHRON TASKS

Linux has the ability to run a shell script whenever desired. We use one to automatically install updates and if necessary reboot the system. sudo apt-get needrestart adding this program makes it easier to test for reboot required due to a kernel update etc. needrestart -k will reboot if the system is prompting for a …

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#PRAGMA ONCE

While not part of the standard yet, the widespread use of #pragma once is likely to find more support down the road. The big advantage is the simplicity for novice developers, no worrying about problems. The old #ifndef approach has a disadvantage of cluttering the global namespace as well. We recommend for new code that #pragma …

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