Produce a pseudo random password with given length in base 64

date +%s | sha256sum | base64 | head -c <length>; echo

3
By: markdrago
2010-04-30 22:05:11

2 Alternatives + Submit Alt

What Others Think

uncomplicated, effective and understandable to even a novice. this is the caliber what commandlinefu should asipre to when posting commands.
vxbinaca · 494 weeks ago
This is a risky command: if someone, more or less, knows when you used this command he can easy brute force your password... Don't use it.
buzzy · 494 weeks ago
The date isn't random. This is stupid.
Carpetsmoker · 260 weeks and 2 days ago
Don't use this. The title is technically correct, but a "pseudo random password" is not a very good password.
tlrobinson84 · 140 weeks and 2 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

You must be signed in to comment.

What's this?

commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

Share Your Commands



Stay in the loop…

Follow the Tweets.

Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.

» http://twitter.com/commandlinefu
» http://twitter.com/commandlinefu3
» http://twitter.com/commandlinefu10

Subscribe to the feeds.

Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):

Subscribe to the feed for: