If you are writing code in Go and are executing a lot of (remote) commands, you may want to indent all of their output, prefix the loglines with hostnames, or mark anything that was thrown to stderr red, so you...
In loosely typed languages such as JavaScript or PHP, using == to compare values is bad practice because it doesn't account for type, hence false == 0 == '' == null == undefined, etc. And you may accidentally match more...
Here are some commands to download the most important pages of your site as plain text (determined by MAX_DEPTH), and save it into one big <DOMAIN>.txt file.
Recently we moved the Transloadit status page from an unmanaged EC2 instance to the Nodejitsu platform. We kept status uptime history in redis, and obviously I wanted to preserve that data.
Unfortunately the Linux DNS resolver has no direct support for detecting and doing failovers for DNS servers. It keeps feeding requests to your primary resolving nameserver, waits for a configured timeout, attempts again, and only then tries the second nameserver....
