This article describes how to fix MySQL connection error: (“Warning: PDO::__construct(): The server requested authentication method unknown to the client [mysql_old_password]”), experienced during MySQL or MariaDB authentication (typically during establishing a database connection). Read More →
Perhaps one day (when I retire) I am going to get one of these:
It’s a very common issue that PHP scripts using mcrypt will not work in out of the box installation of PHP. Following are instructions for installation of php-mcrypt on CentOS 7. Read More →
Following are a simple instructions on how to mount Amazon S3 Bucket on CentOS or RHEL v7.x. Read More →
Following are the instructions for installing LAMP stack onto CentOS 7 or RHEL 7. LAMP stack commonly refers to a Linux installation of Apache, MySQL and PHP, which allow you to run full fledged web server with support for scripts and databases on a Linux server. In our case we’ll be installing: Apache HTTP Server vs 2.4, PHP 5.4.16 programming language and MariaDB 5.5.37 Server (a community-developed fork of the MySQL relational database management system).
Simple, yet detailed instructions on how to install Webmin on Centos 7, add firewall exceptions for Webmin port and even change the default Webmin port if that’s required. Read More →
There are many instructions for creating Android emulator on Windows, Linux, OS X or Solaris, but I couldn’t find any to show how to have a fully functional Android operating system along with a full functioning Google Play App Store. This basically allows you to run all Android apps from Google Play store on any other popular operating system, including those apps you have purchased from Google Play. Following instructions will walk you through setting this up. Read More →
Following are unprocessed notes from a recently taken 4 day long TOGAF training. I’ll clean the notes in a near future, so until then, please ignore errors and formatting. However even as it stands, someone may still find it useful, as it’s a collection of the most important course highlights. Read More →
I needed 1TB to move my photos and videos to a secure online storage (just in case something happens with my drive at home), so I did some short research and decided to go with Google Drive. They were offering a nice solution – 1 TB of online storage for $9.99/Month. I’ve ordered my 1 TB and uploaded all my photos and videos into Google Drive, thinking that if I ever needed more space, I’ll simply add another 1TB and pay $20/Month. Read More →
Simple instructions on how to fix the “Bash Software Bug” (Shellshock Bash Vulnerability) and the biggest threat since “Heartbleed”, using open-source command-line package-management utility YUM (yellowdog updater). Below instructions will work on CentOS & Red Hat. Other Linux systems such as Scientific Linux, Yellow Dog Linux, Oracle Linux and those using the RPM Package Manager currently do not have the patch available (at the time of this article – 24.Sept.2014) but that should be coming soon. In any case instructions posted below will work for these other Linux distros as soon as the patch is available.
Following is the list of 3 of the largest players in Canadian dedicated hosting, who currently offer managed and un-managed cloud hosting and guarantee a secure cloud data storage hosted entirely on Canadian soil. Read More →
A very common issue among Google Drive users is that there is no way to limit upload speed of Google Drive syncing process. Problem typically manifests by rendering user’s Internet connection unusable, due to sync process taking 100% of the upload bandwidth. In such case you’ll observe that you cannot browse the Internet (or it’s extremely slow), even that your download bandwidth is fully available. Issue can be overlooked if you’re only uploading small amounts of data here and there, but if you’re uploading gigabytes of information, it can take days or weeks. Anyhow, there is a way to fix this problem and that is to limit the upload speed of Google Drive process. Read More →
If your Chrome browser can play some YouTube videos with sound, but others do not work, issue is most likely related to Audio channel speaker settings of your sound-card. This is how you can fix the issue. Read More →
As nowadays data is very often being stored in RDF formats such as RSS, a need has arisen for a simple way to locate specific information. In this article, I’ll try to demonstrate how easy it’s to build a simple query using SPARQL and use it to query DBpedia for a specific information! Read More →
It’s pretty straight forward. Following is the code… Read More →