Tips and Tutorials 724 posts
Get the tips, tricks and in-depth tutorials on Cisco, Microsoft, Linux, and VMware technologies to help you build your on-the-job skills and prepare for your next certification exam.
Switchport Security Concepts
By Sean Wilkins ⋅ February 22, 2012 ⋅ Post a comment
Before you can understand how to configure switchport security, a base knowledge of the switchport security feature is needed. In this overview, Sean Wilkins explains the types of switchport violations, what causes them, as well as the three categories of switchport security MAC addresses.
Private VLAN Configuration
By Sean Wilkins ⋅ February 15, 2012 ⋅ Post a comment
Once you’ve got an understanding of private VLAN concepts, you’re ready to learn how to configure them on Cisco equipment. Sean Wilkins reviews primary, community and isolated VLANs and the 3 phases of the configuration process.
Private VLAN Concepts
By Sean Wilkins ⋅ February 8, 2012 ⋅ Post a comment
A private VLAN compares to a standard VLAN in that it can provide flexible options for a design engineer setting up a network. This article explains the private VLAN feature available on certain series of switches and why using a private VLAN allows for certain advantages.
Make FreeNAS 8 Do More: Configuring FTP, TFTP & SSH Services
By Gary Sims ⋅ February 8, 2012 ⋅ 3 comments
This tutorial goes beyond disks and sharing. All you need is a FreeNAS 8 system with one volume to learn how to configure FTP, TFTP, and SSH services.
Synology NAS Storage Review
By David Davis ⋅ February 2, 2012 ⋅ Post a comment
Synology is a flexible storage array that allows you to do iSCSI, email, VPN, web hosting, FTP, backup and recovery, media services, photo sharing, LDAP directory services and much, much more. In this article, vExpert David Davis reviews Synology NAS storage and shares his experiences with it.
Rogue Access Points: Still Here and Still a Threat
By Nick Krasny ⋅ February 1, 2012 ⋅ Post a comment
Rogue access points remain a legitimate threat to business infrastructures, often times due to poor security or users unaware of wireless network security dos and don’ts. This article points out the ways in which a rogue AP can compromise a network.
Spread Spectrum Technologies Overview
By Sean Wilkins ⋅ January 25, 2012 ⋅ Post a comment
A key component for preparing for the CCNA wireless certification exam is a basic understanding of spread spectrum technologies. Sean Wilkins outlines using these basic techniques for modern wireless networks.
8 Useful Tips and Tricks for Windows 8
By Petra Jorgenson ⋅ January 18, 2012 ⋅ 3 comments
Windows 8 is still pretty young, but here are some cool tricks and shortcuts to help you adjust to the features of the newest Windows operating system.
Will Windows 8 Excite or Frustrate Users?
By Michael Gabriel Sumastre ⋅ January 11, 2012 ⋅ Post a comment
The release of the Windows 8 preview has sparked quite a stir over what the finalized OS will offer. Is it doomed to the same fate as Vista, or has Microsoft hit a home run?
Building ZFS Based Network Attached Storage Using FreeNAS 8
By Gary Sims ⋅ January 4, 2012 ⋅ 2 comments
ZFS is an excellent choice for a high end NAS solution. In this tutorial Gary Sims will walk you through building a ZFS based NAS using FreeNAS 8. You’ll learn how to create a ZFS volume and datasets within it. The article will also examine the advantages of using snapshots.
IT Security: Creating a Computer Security Incident Response Plan (CSIRP)
By Tracey Wilson ⋅ December 28, 2011 ⋅ Post a comment
A good understanding of how to create a Computer Security Incident Response Plan (CSIRP) is a must for any IT security professional. Learn about the benefits of having a good plan and how to create one.
IT Security: Creating a Computer Security Incident Response Team (CSIRT)
By Tracey Wilson ⋅ December 28, 2011 ⋅ Post a comment
There are a number of important benefits to having an Computer Security Incident Response Team (CSIRT) in your organization. In this article we’ll explore the importance of developing an IT security response plan and the formation of a CSIRT.
Build a Simple NAS Setup with FreeNAS 8
By Gary Sims ⋅ December 21, 2011 ⋅ 4 comments
This tutorial guides you through an installation of FreeNAS 8 on a simple system using two hard drives for a fully functional network attached storage solution.
Linux File Permissions
By Roman Rafacz ⋅ December 14, 2011 ⋅ Post a comment
Making sure you have assigned the appropriate permissions is a base skill that needs to be done efficiently. Learn how to identify and manage permissions for files and directories in Linux.
Tips and Tricks for Passing the CCNP ROUTE (642-902) Exam
By Sean Wilkins ⋅ December 7, 2011 ⋅ One comment
The CCNP certification is a big undertaking, it separates the serious Cisco professionals from the not so serious, and the CCNP ROUTE (642-902) exam is usually the first exam CCNP candidates tackle. Check out these tips and tricks for how to prepare for and pass this challenging exam.
Overview of Exchange Server 2010 Unified Messaging
By Mike Lata ⋅ December 6, 2011 ⋅ Post a comment
Are you using Exchange Server 2010? If you implement Unified Messaging (UM) in your Exchange environment, it can have a wonderful impact on user productivity, as well as provide some relief on the admin side. Here are some ways to use the features to improve communication efficiency.
Linux Commands for Beginners Part 2: Exploring the CLI
By Roman Rafacz ⋅ November 30, 2011 ⋅ Post a comment
Build off of your beginner Linux knowledge by exploring the CLI. Break away from using a GUI and gain a higher understanding of Linux operates. This article goes over ls, grep, piping and other tools used for generating info, creating files and directories and managing permissions.
Linux Commands for Beginners Part 1: Beginner Linux Administration
By Roman Rafacz ⋅ November 23, 2011 ⋅ One comment
Are you new to Linux? Here is an introduction to the basics of Linux administration. In this article you’ll learn about the Kernel, the Shell, the Terminal and the filesystem hierarchy as we go over some basic Linux commands.
How to Configure Wireless Encryption on a WLAN
By Sean Wilkins ⋅ November 16, 2011 ⋅ Post a comment
One of the most important things to consider when implementing a wireless LAN is what type of encryption method to use. Learn how to configure the different encryption options on a common consumer wireless router and on a connecting Windows 7 device.
WLAN Authentication and Encryption
By Sean Wilkins ⋅ November 9, 2011 ⋅ 2 comments
Wireless networks are particularly prone to threats and attacks, that’s why WLAN authentication and encryption are vital to ensure a secure networking environment. Learn about the most commonly used wireless LAN authentication and encryption methods.






