Password Generator is a utility written by Ted Ts’o, whom you may remember from such open source projects as the Linux kernel’s Ext4 filesystem.
Enter Pwgen, a utility that generates random (but pronounceable) passwords. If in doubt, create a longer password, or pass your generated password as input to another generator, or use multi-factor authentication. Coming up with good passwords is never easy. And it's certainly better than using 'Pa$$w0rD' for everything. You probably know when this is useful or not. Have bad vision, but in general use of this option is not recom‐ Number of possible passwords significantly, and as such reduces Printed, such as 'l' and '1', or '0' or 'O'. Human-memorable passwords are never going to be as secure as completely completely random passwords. Stil, pwgen put gives this caveat in its man page, describing its -B option: -B, -ambiguousĭon't use characters that could be confused by the user when The pwgen program generates passwords which are designed to be easily memorized by humans, while being as secure as possible. You would want to use an option like this if you are resetting someone's password or giving a one-time passkey that needs to be communicated. However, you will at some point probably appreciate applications (like pwgen, KeePassX or LastPass) that give you an option to avoid easily confusable characters, like 1 and l and I. the sed expression strips out strips out spaces and tabs (represented by \s).
To get a larger selection, pass more bytes to head, and to get longer password result strings, modify -bytes in strings (which gives a minimum length). I suspect your use case if different, but this kind of thing is useful for shared secret keys, and other kinds of passwords that you don't type in very often. The results are more hideous even than apg or pwgen (even with the -s option set), but this is more fun: head -c 8192 /dev/urandom | strings -bytes 8 | sed 's/\s//'
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