|
Size: 1367
Comment:
|
Size: 1393
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 31: | Line 31: |
| A very good way to create hard to guess passwords (or passphrases) is to employ the "diceware" method using real world, physical dice. | A very good way to create hard to guess, yet easy to remember passwords (or passphrases) is to employ the "diceware" method using real world, physical dice. |
| Line 35: | Line 35: |
| * repeat until you have 6 words (30 dice rolls in total) A more detailled description incluing word lists for many languages can be found here: |
* repeat until you have 6 words * 30 dice rolls in total) A more detailled description including word lists for many languages can be found here: |
How to choose a good password
A practical approach for choosing a new passwords is to
ssh login.coli.uni-saarland.de apg -a0 -MNLC -t -m10 -x10
Passwords generated this way will take on average approximately 64 years to be broken by a 8xTitan-X GPU cluster node.
Linux / MacOS
To change your password please log in with SecureShell (ssh) to 'login.coli.uni-saarland.de' and enter the command 'yppasswd'.
ssh login.coli.uni-saarland.de passwd
Windows
Press CTRL-Alt-Del and select "Change Password". Windows passwords are independent from Linux / MacOS / Mail passwords.
Email / Web Server
Your email password is the same as your Linux / MacOS password.
More information on passwords
A password should be
- kept secret
- changed on a regular basis
- not be easy to guess by others (like your Matrikelnummer or 'klausi1' for instance)
A very good way to create hard to guess, yet easy to remember passwords (or passphrases) is to employ the "diceware" method using real world, physical dice. In short
- roll a dice 5 times,
- look up the word which corresponds to the result using an existing list of words,
- repeat until you have 6 words
- 30 dice rolls in total)
A more detailled description including word lists for many languages can be found here: