Optimizing MySQL Database Performance Can be Done by Editing my.cnf File. By default, MySQL Server is configured for very low RAM server. Previously we wrote about how to Fix Sudden Error Establishing a Database Connection in WordPress. Actually, that was not truly only for WordPress, it will work for any CMS. That Fix works nice and is intended as a quick fix. After you are running the Server … [Read more...]
Cloud Computing
Cloud computing is becoming more and more important. Here are articles on Cloud Computing,Cloud Server,SaaS,PaaS,IaaS and Cloud related technology.
APC Configuration and Optimization for Rackspace Cloud Server (PVHVM)
Here is a quick guide for APC Configuration and Optimization for Rackspace Cloud Server PVHVM Performance Flavor. Warranted Great Result. It is actually not possible to say from just one Page Speed Test that the website is nicely tweaked or not. On Pingdom, you can see our this website loads at 2.39 seconds :p : [crayon-69fcd79ea5515431982323/] First and foremost thing is that, webpagetest.org is … [Read more...]
PVHVM Virtualization Mode for Faster Loading Servers
In PVHVM mode, the disk and network are paravirtualized, as are interrupts and timers. It is Stefano Stabellini wrote the patches for Linux. We will limit our discussion to the minimal basics, if you are not sure about paravirtualization; Paravirtualization Basics can be a good point to start. There are reasons to write this article on PVHVM Virtualzation Mode which we will discuss later on … [Read more...]
Install Comodo SSL Certificate on Rackspace Cloud Server
Install Comodo SSL Certificate on Rackspace Cloud Server is Fully Working Guide on How To Handle the Process of Installing a Real SSL Cert. Actually, the examples provided by the free version SSL Certificates are not really great enough with real life. However, we will ask you to consider about having a fully separate server for the HTTPS domain to install Comodo SSL Certificate or Any SSL … [Read more...]
How to Export WordPress MySQL Database on Rackspace Deployment
How to Export WordPress MySQL Database on Rackspace Deployment Where You Have Only Command Line Option and Ports are Blocked for Security? We talked about Rackspace Deployment, when it was available to us for evaluation, if you go for such setup with minimum 3 server and one load balancer configuration, you will find it quite difficult to perform the database migration without making the website … [Read more...]
OpenSSL and the Heartbleed Bug : The Situation
The flaw in OpenSSL for two years has compromised the security of SSL/TTL, possibly allowed unsafe encrypted communications. Most of the regular readers of this website, for the third time in this website's ~5 years history, was not updating the articles - this website's article part has no HTTPS urls, then what made many websites like us to pause and take a deeper breath? While most of … [Read more...]
Disable / Turn Off Firewall in Ubuntu Server in Locked Situation
By Mistake We Can Get Partially Locked and Fully Unable to Perform SSH. How to Disable Firewall in Ubuntu Server in Such Situation? We have a To Do List For Unmanaged Rackspace Cloud Server Owners, but possibly a Not To Do List is also needed! The Credit To Solve Such Situation Fully Goes to Megan from The Rackspace Cloud as we said in our down to Earth post Why is Rackspace So Successful? … [Read more...]
Why is Rackspace So Successful?
Why is Rackspace So Successful? Some Personal Experiences Shared Since 2011. We Hardly Required Help, But When Required They Were Quite Bad. There is a reason write this post. I think, good works should be appreciated. Few minutes ago, one server was fully locked after applying fix for OpenSSL Vulnerability (CVE-2014-0160). The dreaded situation became, from India I was fully unable to SSH after a … [Read more...]
Ubuntu 13.10 LAMP Server Setup on Rackspace Cloud Server Video Guide
Ubuntu 13.10 LAMP Server Setup on Rackspace Cloud Server is an Important Step for Administration and to Run Web Software like WordPress. Practically, we have splitter out text based guide - Full step by step guide to Install WordPress on Ubuntu 13.10 on Rackspace in to several parts for creating this series of video guide. Apart from YouTube, this Ubuntu 13.10 LAMP Server Setup on Rackspace Cloud … [Read more...]
OpenSSL Vulnerability (CVE-2014-0160) : Apply Fix as Urgent
An Urgent Fix is Required for the OpenSSL Vulnerability (CVE-2014-0160). We have described here how to patch Ubuntu and Debian OS. This OpenSSL vulnerability (CVE-2014-0160) may impact versions of OpenSSL 1.0.1 on Linux Operating Systems to include: Debian, RHEL, Fedora, Ubuntu, RHN and CentOS. We have been notified by the communities to warn our readers to fix and apply the patch. OpenSSL … [Read more...]
How To Install mod_pagespeed on Rackspace Cloud Server
Step by Step Guide on How To Install mod_pagespeed on Rackspace Cloud Server Running Ubuntu 13.10 plus Add On Tips to Configure Cloud Files. Basically for non-WordPress websites there is no advantage with Rackspace Cloud Server Performance Flavor (1 GB + 1 GB MySQL), with Redis Cache; page will load within 1-2 seconds. But, with the current development of W3 Total Cache type of Plugins with Self … [Read more...]