SHA-1 COLLISION

It took several years but researchers have finally beat SHA-1 and found it is easily possible to have 2 different documents with the game hash value. SHA-1 was officially deprecated by NIST in 2011 SHA-1 is widely used with HTTPS certificates in addition to many other applications. SHA-1 is also widely used for file integrity. Consider …

Continue reading

SITEMAP NOW 50MB

We have noticed that sitemaps can now be 50MB up from the previous 10MB. The change was made to manage for longer URLs which are becoming more common with database driven sites. We use descriptive permalinks which make it easier for people to read when they wish to save a URL. The sitemap is still …

Continue reading

LOCATION BASED ADVERTISEMENTS

At its most basic, an agent on a website has an IP address. By using a database, then known ip address ranges can narrow down the search. We have seen many problems with mixed http and https configurations. OBTAIN THE CLIENT IP ADDRESS $protocol = "http://"; $useraddress =  $_SERVER[‘REMOTE_ADDR’];$protocol = "http://"; $useraddress =  $_SERVER[‘REMOTE_ADDR’]; if ($_SERVER[’HTTPS’] == ‘on’) …

Continue reading

UBUNTU FORUM

Screenshot (222)

Given the problems we have experienced with the Ubuntu forum is why this site exists. Over time more and more general self-help articles will be posted. The original post has been removed and inquiries have failed.  Security is a serious problem which needs more attention. We are aware that in 2016, a full 20% of …

Continue reading

KERNEL 4.10 RELEASED

Linus Torvalds has released version 4.10 of the Linux kernel. This will find it’s way into everyone’s distribution as time permits. THE POST On the whole, 4.10 didn’t end up as small as it initially looked. After the huge release that was 4.9, I expected things to be pretty quiet, but it ended up very much a …

Continue reading

1.5 MILLION WORDPRESS WEBSITES HACKED

About 1.5 million WordPress sites have been defaced thanks to the use of plug-ins that allow PHP to be used in comments etc. Remote code execution and worse is possible, If PHP is needed, then we strongly suggests developing a plug-in to handle the backend code.

INTEL ATOM C2000 CPU FAULT

Screenshot (221)

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 …

Continue reading

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 …

Continue reading

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 …

Continue reading

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 …

Continue reading