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Author Archives: Adam
Finding Linux Version Information
There is a lot of different ways a Linux system can be configured. Today, most admin’s opt to stick fairly close to the suggested upgrade path for most binaries and system components. Unfortunately, there are always times when documentation is lacking or you inherited a system you know nothing about. Let’s look at a few ways of figuring out what versions the key components our systems are running. Continue reading
Now Available via IPv6!
Technologyordie.com is now available via IPv6! At this point the site is the same otherwise. The site was moved to a new hosting provider because the past provider is not yet supporting IPv6. If you would like to verify you are connected with IPv6 simply jump to the “Whats My IP” page. Your IPv4 or IPv6 address will be displayed respectively based on how the connection was made. Continue reading
Layer 2 to Layer 3 Metro-E Link Migration
Metro Ethernet has made connecting different sites extremely easy for just about any level of admin. The problem is, however, it has also made for some very sloppy setups. It is nearly always a recommended best practice to route WAN links. This is particularly true when the WAN is a bottle neck in terms of throughput. If a LAN is built on Gigabit Ethernet and a Metro-E link between sites is only 40Mbps there is a bottleneck. Often LANs in small to medium sized organizations are way underutilized and this can be gotten away with. Typically the Layer 2 connection would span the 40Mbps link with little trouble. However, as traffic increases, a redundant link is added between sites, or requirements change you can find this design corners you with a need for a better way of controlling traffic flow. Continue reading
Study the CCNA for Free
If you are just getting started in networking many people will recommend knocking out the CCNA certification. I would probably agree with that. Personally, when I got the CCNA I had a networking / systems admin job before hand and did just fine without the cert. The CCNA study, however, gave me the opportunity to focus on the material and to expand a bit outside of what I worked with daily. The CCNA is a prerequisite of a lot of other training courses offered on other Cisco technologies as well. The CCNA, or any certification for that matter, can be … Continue reading
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