Using Windows PowerShell you can easily export Active Directory group membership to CSV. First, start Windows PowerShell as an administrator and import the Active Directory PowerShell module. Import-Module ActiveDirectory Next, run the below command where “GroupName” is the name of the Read more…
Using the linux commands below you can find files on a system with limited free space. In the below example you will find “/dev/mapper/VolGroup00-LogVol00” has 4% available space. [root@centos ~]$ df -h Filesystem Read more…
What is EIGRP load balancing and why to use it? Load balancing is a standard functionality of the Cisco IOS router software, and is available across all router platforms. It is inherent to the forwarding process in the router and Read more…
While trying to dismount a database I ran into the error: Cannot detach the database ‘Database Name’ because it is currently in use. (Microsoft SQL Server, Error: 3703). This almost always happens due to an open connection which you can Read more…
Below is a quick tutorial on how to setup a new CentOS server with basic settings quickly. I will also show you how to lock down SSH to secure the system. However, this is by no means a complete list Read more…
It is very important that you install VMware Tools in the guest operating system. With the VMware Tools installed VMs support significantly faster performance, time synchronization, and other enhanced features. Below are the steps to install the VMware Tools on Read more…
Recently, I ran a test of a SRM Recovery Plan for a new set of Linux VMs I inherited. The first test didn’t go so well and returned the error “Error – The guest operating system ‘centos64Guest’ is not supported”. Read more…
What is debugging and why to use it? Debugging is a process that allows error-collection and logging systems on systems to a file or to a monitor. Specifically, it provides in-line debugging functionality for processes and hardware. Use debug commands Read more…
When you install the Cisco VPN client on Windows 8.1 you will likely receive the message “Reason 442: Failed to enable Virtual Adapter.” when you attempt to connect to a VPN. The fix is quick and easy. You do not Read more…
What is route summarization and why to use it? In large internetworks, hundreds, or even thousands, of network addresses can exist. It is often problematic for routers to maintain this volume of routes in their routing tables. Route summarization (also Read more…