if you ever get errors from Time Machine saying it needs to invalidate your existing backup and start again from scratch, and especially if you back up to something that’s NOT a time capsule or direct-attached external drive, this is for you.
Ethernet, crossover, modem, null modem, Cisco/Sun console. all in a single cable and adapter set. VERY handy. complete with pictures and step-by-step instructions to make it yourself!
excellent analysis of MongoDB performance as negatively affected by excessive readahead.
Ed Felten (with some good comments from Dan Kaminsky et al.)
When the Comcast/NBC Universal merger was approved by the Department of Justice, Comcast agreed to two interesting stipulations regarding the neutrality of their residential broadband service:
- If Comcast provided capped broadband service, it would not exempt any traffic from the cap, and
- it…
Recently I wanted to run my own Looking Glass server so I can see what routes our network is taking without having to connect to all of our core routers. OpenBGPD comes with a looking glass script called
bgplg.Depending on topology you may wish to configure the LG neighbour on the peering…
History of UNIX and BSD-UNIX operating systems and their origins.
set up a forwarder that will allow you to inject text from a remote SSH session into the clipboard of your Mac. (obvious security implications; use with caution.)
