This is the blog of Ronald Bartels that wanders on and off the subject of problem management (that is how it started). Like the best music is from the Eighties and a wee dram helps in solving most inconveniences.
Versioning, because you will need to fix it
If it ain't broke, don't fix it! I have heard that a million times and
it might sound like good advice but when it comes to security it is of
the worst possible kind.