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Linux Feed

Linux Support, Oracle Linux, Red Hat Enterprise Linux, SUSE, Oracle Unbreakable Enterprise Kernel and the Oracle Unbreakable Linux Support Program (ULN) resources, news, and support articles.

CloudMonkey 5.3 on OSX Mavericks or OSX Yosemite

CloudMonkey is an easy way to interact with the CloudStack API without the need to do any code writing. Think of it like a way to “query” the CloudStack infrastructure. Very useful in day-to-day operations to get a “quick look” at things. Version 5.3 is on its way, and recently I had a look at […]

Create and Populate a New ISO NFS Storage Domain for RHEV

For the NFS ISO Domain or NFS Data Domain, do ensure the followings

  1. Ensure the NFS File System is properly exported
  2. Ensure the user and group ownership is correct

Step 1: If you are exporting ISO on your NFS File Server. At your /etc/exports
/exports/ISO (rw, async)
Export NFS and check mounting

Tools for checking broken web links - part 1

With a growing web site, it becomes almost impossible to manually uncover all broken links. For WordPress blogs, you can install link checking plugins to automate the process. But, these plugins are resource intensive, and some web hosting companies (e.g., WPEngine) ban them outright. Alternatively, you may use web-based link checkers, such as Google Webmaster Tools and W3C.

Speeding up kernel crash hang analysis with the kernel log

This is a summaries article taken from RHEL6: Speeding up kernel crash / hang analysis with the kernel log.
When there is a kernel crash or hang, there is often a very large file is produced containing a memory dump of the entire system called a vmcore. Analysis of the kernel crash or hang often requires this large file be uploaded to Red Hat for analysis (if you have subscription)
For RHEL 6.4 and above

Nginx, SSL & php5-fpm on Debian Wheezy

I decided to take a break from my love affair with Apache and set up a recent development project on Nginx. I’ve seen nothing but good things in terms of speed and performance from Nginx. I decided to set up a LEMP server (Linux, Nginx, MySQL, PHP), minus the MySQL as it’s already installed on my VM host server, and plus SSL. Here’s the full setup tutorial on Debian Wheezy:

Deploying HAProxy 1.4.24 to load-balance MS Terminal Services on CentOS 6

HAProxy is an open source, free, veryfast and reliable solution offering high availability, load balancing and proxy for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world’s most visited ones. Over the years it has become the de-facto standard opensource load balancer, is now shipped with most mainstream Linux distributions, and is often deployed by default in cloud platforms.

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