The current infrastructure at my office uses network information services (NIS) to authenticate users on Linux machines against the office’s Window’s domain. I found this to be unreliable. It depends upon Microsoft Identity Management for Unix, version 5.2, which is flaky in my experience. My goal was to be able to transition from NIS to… Continue Reading
“OpenVZ is container-based virtualization for Linux. OpenVZ creates multiple secure, isolated containers (otherwise known as VEs or VPSs) on a single physical server enabling better server utilization and ensuring that applications do not conflict.” For each of these containers or VEs, there are resource limits. The psuedo file system, /proc, tracks various process and kernel… Continue Reading
I was lucky enough to be loaned a couple of CISCO 1720 routers by my office today. Connecting to them was pretty straight forward. What you will need: 1. A roll-over cable (aka Cisco Console Cable). These are usually RJ-45 on the router side and serial on the PC side. 2. If your computer doesn’t… Continue Reading
I am currently learning Python, but I also needed to review subnetting. I have found that one of the best ways to stretch my synapses is to combine learning something new with reviewing something that I learned a while back. To accomplish my review while still learning a new skill I decided to write a… Continue Reading
I have seen a lot of posts out there about people having headaches connecting to Cisco VPNs using the Cisco VPN Client, mostly because they have trouble compiling it in Ubuntu Feisty Fawn. I recommend using the open source alternative vpnc. Vpnc works with the following according to the previous link: Cisco VPN concentrator 3000… Continue Reading