Without a doubt WordPress is the most widely used CMS out there. Well, the fact does not stop there – according to the reports published in April 2013 by a security firm, more than ninety thousand WordPress sites have been hacked. If you run WordPress to power your website, then you…
Are you facing issues after updating your WordPress site to the latest version 4.2.1? If you so, then you are not alone. I recently updated my site to the latest version of WordPress and caught up with few errors – Unable to update plugins – when the ‘Plugins’ menu was…
Recently I was designing a flyer for a client using Adobe Indesign. Initially I was reluctant to do the task using Indesign, because I have never used the tool before. But I thought of giving it a try with Adobe Indesign’s trial version. Soon after installing the tool, I tried creating…
Question: I’m new to IPv6 concepts. I had setup dual stack on my Windows 7 PC with both IPv6 and IPv4 addresses and it allowed me to access both IPv6 & IPv4 websites. I also tried to experiment with IPv6 only host to access IPv4 websites, but with no success. I would…
Have you upgraded to Adsense’s new payment system? Then it’s must to export your previous payment details before they vanish from your account. Recently Google allowed adsense users to upgrade to a new payment system, which had a new interface to view and generate earnings report. While many users are trying to get…
Let’s assume that you have both IPv6 and IPv4 addresses on your computer and wanted your Chrome browser to use IPv6 protocol and Mozilla browser to use IPv4 protocol. Well, you can quickly do that on Mozilla Firefox – simply type “about:config” in the address bar and confirm that you…
I recently started to explore IPv6 and was curious to do few experiments in the latest Internet Protocol. During one such experiment, I had to setup a dual stack on my computer having both the IPv4 and IPv6 addresses and wanted a way to instruct web browsers to use only the…
If you want to install Microsoft’s Teredo Tunneling Adapter on Windows 7, then it’s better to understand what IPv4 and IPv6 are. We already know IPv4 is an Internet Protocol version 4 that we were using for decades to access internet. It was an identity for every computer in the…
If you find your production machines using OpenSSL version 1.0.1, 1.0.0 and 0.9.8, then here’s a serious vulnerability reported on march 2015 – OpenSSL 1.0.2 ClientHello sigalgs DoS (CVE-2015-0291) and Reclassified: RSA silently downgrades to EXPORT_RSA [Client] (CVE-2015-0204). Well, the above two were classified as severity high among the several vulnerabilities reported…
I was working on a new project – a site based on WordPress, where I had to display four boxes with each box displaying a post from a category called Services. Well, doing that is quite easy, as I just need to use WP_Query function and run a loop to pull out the…
I was recently working on a project – a dental website, where I had to add all the posts under a particular category to the main menu of the site. Well, creating a custom menu in WordPress is not a rocket science, as you just need to go to Appearance…
The word “OpenStack” is quite popular these days. You might have heard this word, even if you are not working in the area of Cloud computing. I have been working in Grid computing domain for the past 10 years and never understood the fuss behind OpenStack. But this buzz word kept…
I have been trying to install OpenStack Icehouse on CentOS for almost a week (Since I’m doing this for the first time, it took a week to complete the entire installation and configuration). Though I followed the official documentation, I still had to refer various forums including the openstack support site to resolve…
In continuation to my previous articles on OpenStack Errors and Solutions for installation and configuration of KeyStone and Glance, today I’m going to share some errors that I encountered while installing and configuring Nova (Compute) service on controller node. Most of these errors were encountered while listing the images via…
I was recently installing OpenStack Icehouse for one of my project by following the official documentation from openstack.org. During the installation of Image service (Glance) on controller node, I was bugged with few errors. After Googling for few minutes, I was able to fix those. Most of those errors occurred while setting…
Here’s a question from one of our reader Praveen. Question: I’m installing Openstack on a CentOS machine by following the online documentation from openstack.org. I have installed keystone package, but hit with an error while creating an admin user for the cloud. I used the below command. keystone user-create –name=admin –pass=<admin_password> –email=<admin_email> But…
The MySQL database package comes with an automated secure installation script called “mysql_secure_installation”. It’s advised to run this script soon after the installation of MySQL database, especially on a production machine. The obvious reason is, it improves security of the database. By default MySQL, allows anonymous user logins ‘root’ user…
I was recently working on a Grid Computing project, where I had to install a grid middleware called Globus Toolkit. If you had ever worked on Globus Toolkit, then you might be aware that it uses a security module called Grid Security Infrastructure (GSI), which actually works based on Public Key…
One of our reader sent us the below question. Question: I have CentOS 4.9 installed on my PC and thought of upgrading it using yum command. But when I executed ‘yum update”, it throwed the below error message: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Could not retrieve…