May I present GNU date, included with every distribution of linux I have ever used (source available for your favorite unix, naturally). If you need to generate time/date stamps, especially in scripts, date is extremely useful.
While probably quite familiar to most linux/unix users, I've found that many people are not aware of some of dates more advanced tricks. Below are several examples I have found quite useful.
One issue not addressed by my previous article FTPS with vsftpd, Part 1: Server Config is that of firewalling. In Part 2, I address the firewall requirements related to FTPS.
When I first mention FTPS, most people have the same reaction, “you mean SFTP?” No, I do not. SFTP, while very useful, is quite different from FTPS. In this article I explain the simple steps involved in setting up FTPS with vsftpd.
I recently acquired a Wacom Graphire4 tablet and set out to use it with RHEL5 Client (these instructions apply to Fedora as well). The good news is that Red Hat includes the Wacom drivers, so all one needs to do is configure the tablet. Simple right?