Author's posts

CENTER ALIGN ADVERTISEMENTS

Sometimes a a web developer wants to center align an advertisement to make it fit the page style or to act as a page break etc. There are several ways to do this depending on the type of ad in use. Today most advertisements are JavaScript code snippets so its simple to use a <div> …

Continue reading

PHP 7.2 AND WORDPRESS 4.9.4 OUTPERFORM

PHP 7.2 has managed to improve server performance rather significantly. It even outperforms the  HipHop Virtual Machine that Facebook developed to compile scripts in a big to increase performance. Kinsta benchmarked several CMS systems in addition to WordPress and PHO 7.2 delivered the best results across the board. We use WordPress is easily popular choice for …

Continue reading

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. …

Continue reading

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. …

Continue reading

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. …

Continue reading

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 …

Continue reading

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 …

Continue reading

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 …

Continue reading

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, …

Continue reading

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 …

Continue reading