Recently I came across an excellent software called CoreFreq. It is a CPU monitoring software designed for 64-bits Processors w/ architectures Intel Atom, Core2, Nehalem, SandyBridge and superior, and AMD Family 0F. It runs on 64 bit Linux system. CoreFreq provides a framework to retrieve CPU data with a high degree of precision:
Web performance is nothing but the speed in which web pages are downloaded and displayed on the user’s web browser. Faster website speeds have been shown to increase sales or increase visitor loyalty including user satisfaction. Particularly useful for those use slow internet connections or on mobile phones/tablets. You can increase the speed of page load using:
Server side cache
Browser side cache
Web application accelerator focusing on optimizing caching and compression
Load balancing and SSL offloading
Geo or DNS-based load balancing and more.
In short, one can increase the time it takes for pages to render using multi-layered cache and asynchronous communication with server-side components. In this post, I will list my favorite open source software based TCP/HTTP load balancer and proxying solution for web performance.
You can reuse OpenSSH connections to the same server when you want to open subsequent connections to the same server. For example, if I ran ssh email@example.com, the ssh client will establish a new SSH connection. It usually takes only a few seconds. However, if I run ssh firstname.lastname@example.org command again, connecting to a server42.cyberciti.biz multiple times result into the overhead.
Git is a version control system (VCS) for tracking changes in computer files and coordinating work on those files among multiple people. It is primarily used for software development, but it can be used to keep track of changes in any files.
This cheat-sheet is useful for both sysadmins and programmers/devops peeps. You can download larger version by visiting this url.
Bash (Bourne-Again SHell) is a Linux and Unix-like system shell or command language interpreter. It is a default shell on many operating systems including Linux and Apple MacOS X. Shell scripts are a fundamental part of the Unix programming environment.
Web analytics is nothing but the measuring web traffic. It is not limited to measuring web traffic. It includes:
Reporting of web data for purposes of understanding and optimizing web pages
Google Analytics is the most widely used cloud-based web analytics service. However, your data is locked into Google Eco-system. If you want 100% data ownership, try the following open source web analytics software to get information about the number of visitors to your website and the number of page views. The information is useful for market research and understanding popularity trends on your website.
I want a Linux system without having to pay a Microsoft tax. The hardest part of using Linux is to find out the correct hardware. Hardware compatibility and drivers can be a big issue. But where one can find Linux desktops or Laptop for sale? Here are fifteen places to buy a preinstalled Linux Desktop and Laptop.
Can’t write to the hard disk on a Linux or Unix-like systems? Want to diagnose corrupt disk issues on a server? Want to find out why you are getting “disk full” messages on screen? Want to learn how to solve full/corrupt and failed disk issues. Try these eight tips to diagnose a Linux and Unix server hard disk drive problems.