Nginx proxy_pass DNS Cache
We use nginx to proxy to an Amazon S3 bucket to serve static content to customers. Yesterday, I noticed a high failure rate through the proxy »
pt-online-schema-change error "Error creating new table ... duplicate key"
pt-online-schema-change is a tool in the Percona Toolkit which allows you to make large table alters without locking the database. Newer versions of MySQL have Online »
Quickie: Prevent Mac apps from quitting when last window is closed
There are a few apps on OSX that quit/terminate once their window is closed. This is typical on Windows of course, but it's a bit »
Quickie: Quickly rename MySQL database
There's no way to rename a MySQL database. Typical advice is to dump/restore the database, but this is obviously very slow if you have a »
SSH with a Bastion Host
A bastion host is a server that sits on a public network whose sole purpose is to provide access to an inner private network. For example, »