Month: October 2016

  • lftp says “DH GEX group out of range”

    I use lftp in a launchctl script to transfer and delete files from an Axway/Tumbleweed secure server, but after upgrading to macos Sierra, the connection failed (and looped forever retrying) with a brief flash of a “DH GEX group out of range” message. Searching for the message reveals that it’s an ssh issue (DH is diffie-hellman): Apple […]

  • MacOS Sierra, Apache, and Postgres

    I upgraded my office workstation from El Capitan to Sierra last week after waiting a while to make sure there were no problems with the new version of the operating system: my office workstation is used for some campus-wide services, and I go into panic mode when upgrades break things. So after a decent interval […]

  • Tesla Referral Code

    Anyone buying a new Tesla can get free supercharging and a $1000 credit towards a new Model S or Model X by using this referral code.  Tesla updates the terms of the referral offers quite regularly, but the referral code itself is the same for all changes in the terms. As of this update (April 2018), the […]