MySQL flush-hosts and ERROR 1129 (HY000)

Often we see an error such as:

ERROR 1129 (HY000): Host 'nn.nn.nn.nn' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'

SSH HostkeyAlgorithms

 A note for .ssh/config

Limit max number of characters in a java text field.

 

Java Method Overriding v Overloading

 I found this useful and interesting, especially as the terms are so easily mixed up (by me at least).

Nexus 5

Unlocking, rooting, installing a custom recovery, installing Kali and reverting my Nexus 5 back to stock.