For those who aren’t familiar, Microsoft has a program called JMRP (Junk Mail Reporting Program). Mail senders can sign an agreement with Microsoft to receive complaints about mail sent from their domains. Basically that means, if I send email to your Hotmail account, and you complain that it is spam, Microsoft will forward…

A disk I have in a production machine went bad:
d4: Mirror Submirror 0: d14 State: Okay Submirror 1: d24 State: Needs maintenance Pass: 1 Read option: roundrobin (default) Write option: parallel (default) Size: 120850176 blocks…

If you’ve ever wondered how to determine your current run level, use the command
who -r
This works for Solaris and Linux (at least the ones I’ve tested)