slideshow 1 slideshow 2 slideshow 3

Technology News | Tutorials | Learning Linux | How to Guides

Kibana Logstash Log collection In this tutorial, we will go over the installation of Logstash 1.4.1 and Kibana 3, and how to configure them to gather and visualize the syslogs of our systems in a centralized location. Logstash is an open source tool for collecting, parsing, and storing logs for future use.

Cisco Labs on Centos 5.2 After a quick search I found the wonderful Dynamips project that goes beyond what other simulators do by running actual Cisco IOS images, as well as the PEMU project which allows for running of Cisco PIX images. To integrate the various pieces of software ....


Copy a Website using wGet One of the more advanced features in wget is the mirror feature. This allows you to create a complete local copy of a website, including any stylesheets, supporting images and other support files. All the (internal) links will be followed and downloaded as well (and their resources), until you have a complete copy of the site on your local machine.

Top LInux Terminal Programs Siege is a multi-threaded http or https load testing and benchmarking utility. This tool allows me to measure the performance of web apps under duress. I often use this tool test a web server and apps. I have had very good results with this tool. It can stress a single url such as or multiple urls. At the end of each test you will get all data.


Centos and Oracle Linux 6 Server Hardening Computer security is once again becoming a hot topic for administrators. There are dozens of new sites springing up around the web, and each is slinging their own 'Perfect' setup instructions. They have the usual bell curve of good advice, okay advice, and advice that will effectively leave you with a smoldering pile of rubble where your data used to be.

Delete Files Older Than x Days on Linux The find utility on linux allows you to pass in a bunch of interesting arguments, including one to execute another command on each file. We'll use this in order to figure out what files are older than a certain number of days, and then use the rm command to delete them. This should work on Ubuntu, Suse, Redhat, or pretty much any version of linux.

Basic Linux Filesystems tutorialThe original filesystem introduced with the Linux operating system is called the extended filesystem (or just ext for short). It provides a basic Unix- like filesystem for Linux, using virtual directories to handle physical devices, and storing data in fixed-length blocks on the physical devices.

Apparmor or Other Package Removal Removing apparmor maybe help full when setting up a LAMP, ISP Ubuntu 8.04 Server you can also substitute the apparmor package with other packages such as postfix to remove from start using the update-rc.d -f command once the service is stopped using kill or /etc/init.d/postfix stop

Archiving Files with Tartar is the standard UNIX/Linux archiving application tool. In its early stage it used to be a Tape Archiving Program which gradually is developed into General Purpose archiving package which is capable of handling archive files of every kind. tar accepts a lot of archiving filter with options.

Using Find to Locate Files In this tutorial we'll look at the find command and how you can quickly use it to locate files in your filesystem. Find is a powerful utility capable of locating files anywhere on your system including mounted drives and removable storage, processing regular expressions, and even running other commands on those files.