Generate Random Password on Linux
Linux has all the tools you need to generate a random password. This can be accomplished by a special file /dev/random
, that serves as a random number generator.
Linux has all the tools you need to generate a random password. This can be accomplished by a special file /dev/random
, that serves as a random number generator.
If you are planning to discard your old hard disk, make sure that they do not contain any valuable information when they head out of your door. The last thing on your mind is the potential of having your identity stolen from sensitive information stored in that hard disk.
To perform disk usage monitoring of users on a UNIX system, you will, first of all, need to determine the home directories of the users. You might ask, “Aren’t all the user home directories found under /home?”. Well, typically yes, but it’s not always true.
A couple of readers, upon reading this article to calculate yesterday’s date in a shell script, have requested for a similar script that can be used to calculate tomorrow’s date.
In modern UNIX and Linux systems, user passwords are encrypted and stored in the /etc/shadow
file. On BSD systems, the passwords are kept in the /etc/master.passwd
file. The encrypted password field in the file contains more than just the encrypted password, it contains additional information.
Linux is a very customisable UNIX like operating system. To date, there are more than a couple of dozen Linux distributions available, based on this Wikipedia list.