Prepare for your network administrators to cringe… I’ve spoken on these commands but never really put them together in this way, exactly. So I wanted to find a coworker on a network. So one way to find people is to use a ping sweep. Here I’m going to royally piss off my switch admins and ping sweep the subnet: ping 255.255.255.255 Next, I’m going to run arp to translate: arp -a Finally, if a machine is ipv6, it wouldn’t show up. So I’m going to run: ndp -a Now, I find the hostname, then look at the MAC address, copy that to my clipboard, find for that to get the IP…
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Setup The DCHP Service In Yosemite Server
DHCP, or Dynamic Host Control Protocol, is the service used to hand out IP addresses and other network settings by network appliances and servers. The DHCP Server built into OS X Server 3, installed on Yosemite running the Server app (aka Yosemite frickin’ server) is easy-to-use and fast. It’s pretty transparent, just as DHCP services should be. To install the service, open the Server app and then click on the Show button beside Advanced in the server sidebar. Then click on DHCP. At the DHCP screen, you’ll see two tabs: Settings, used for managing the service and Clients, used to see DHCP leases in use by computers that obtain IP…
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Windows 7 HomeGroup
HomeGroup is a new home security feature of WIndows 7. HomeGroup resemble how you protect your home (an analogy I use in the Mac OS X Security book as well): Keep the outside doors locked and keep the interior doors unlocked (unless you’re on the crapper). HomeGroup can be initiated by any Windows 7 version other than Home Basic and Starter editions. Any Windows 7 machine can join a HomeGroup though and it is not a backwards compatible feature, meaning that if you’re still running Windows 95, 98 or Millineum don’t bother to upgrade (you probably can’t read this site anyway). But 2K to Vista, you gots’ta upgrade to play…
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Testing Speed
www.speedtest.net is a nice site that allows you to test the speed of your Internet connection for free. They also have a free companion iPhone app that allows you to test the speed of an Internet connection without actually opening up your laptop.