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WORDPRESS 4.9.4

WordPress 4.9.4 has been released. It has a lot of fixes to deal with well known problems. It release fixes a severe bug in 4.9.3, which will cause sites that support automatic background updates to fail to update automatically, and will require action from you (or your host) for it to be updated to 4.9.4. …

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UBUNTU 17.10 BRICKS MACHINES

Ubuntu 17.10, aka Artful Aardvark, has been bricking some models of Lenovo and other machines. The problem is some Intel code that messes with the BIOS using some SPI driver. No operating system at any time should be messing with the firmware. Some said their machines were left unbootable and needed to have the motherboard replaced. …

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BACKDOOR FOUND IN WORDFENCE

WordFence is a popular CAPTCHA used by 300,000 sites and recently a backdoor was added to it. Evidently it was being used to benefit payroll load operations who tend to be paria businesses. With more back-links they get page-ranked higher. The perpetrators have been identified and an updated version of WordFence should be installed immediately. …

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HOSTING CONTROL PANELS

Azure already has a very good hosting control panel however there may come a time when its more cost effective to host your own sites with a virtual machines. We have used webMin which is Perl based but it tends to be unsuitable for running a web host like Azure or GoDaddy. Froxlor is still …

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ADD MEDIA TO WORDPRESS

WordPress has the ability to upload images directly to a post, but there may be times when FTP of a large number of images is more expedient. MEDIA FROM FTP is a handy plugin that will add any unknown images to the WP media gallery where they can be inserted into articles as needed. This …

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TOSHIBA 14TB HARD DISK

Toshiba has announced the world’s largest conventional magnetic hard drive. The Toshiba’s MG07ACA enterprise 3½” series comes in at 14TB and features nine disk platters in a helium-filled sealed unit. Toshiba also has a 12TB model with 8 platters. 14TB and 12TB capacity models Innovative 9-disk helium-sealed design for superior storage density Industry Standard 3.5-inch 26.1 mm …

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PENDING SECTOR COUNT

Ordinarily hard disks operate transparently. Any problems are handled by the drive logic. Disks in use may find problem sectors or tracks and they then map spare area into the block number table when the error correction cannot cope. badblocks -sv -b 512 <device-name> If the disk is one of the newer 4K sector designs, …

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WHITELIST SECURITY

linux_u2

We have used whitelist security for protecting our servers for a very long time. More recently we have seen Linus Torvads in the media over securing a server.  Version 4.15 of the kernel will now start mainstream whitelists. Securely managing memory for possible malware is something that is sorely needed for Linux. Sadly a lot …

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ASYNCHRONOUS JAVASCRIPT

Asynchronous JavaScript can improve page loading times considerably. The idea is very simple. <script defer=”defer” src=www.example.com/somescript.js> signals that the script can be loaded in parallel with the main document. The advantage is that a slow service from Google or other ad provider does not have to have an adverse effect on overall page render times. …

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UPDATE FAILURE

Today when managing our VM running Ubuntu 16.04 we ran across this rather serious fault. We rebooted the VM immediately in principle. Hopefully Canonical can fix this problem so that cloud users can carry on. The VM runs MySQL to handle webapps and it works fine.   sudo apt-get update Hit:1 http://azure.archive.ubuntu.com/ubuntu xenial InRelease Get:2 …

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