The ramblings of a computer geek
I had this issue today, on a host that had recently had a software upgrade. Problem: A host to which I was connecting with SSH gave this error: “Couldn’t agree a key exchange algorithm (available: Curve25519-sha256@libssh.org, ECDH-sha2-nistp521, ECDH-sha2-nistp384, ECDH-sha2-nistp256)”. Solution: In my case I updated to a later release of Putty.exe and the issue was resolved. … Read more
Here is a cheeky script to drive the API on the Philips Hue lighting system to change the colour of a lamp based on the temperature. That’s right you can colour the light based on the temperature outside, quite neat so you can quickly see if its cold, hot or indifferent just by the colour … Read more
The Raspberry Pi lacks a real time clock, which means that the time can drift, so much so that NTP fails to update the software clock because its skewed so much. To resolve this you can do the following: Add this to /etc/ntp.conf: tinker panic 0 That will cause ntpd to sync despite the large … Read more