If you use SSH from the shell often you might be getting tired of entering your password over and over again. If you often log on to other machines from your machine via SSH, be it work, school, or just other machines on your LAN? Then this can be a real time saver. Doing this is also a must if you want to mount remote file systems via SSHFS boot time. Warning! Only do this on machines you trust. If you are on a public machine, it’s probably a good idea to not do this.Read more »»