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by Graham Williams
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Wajig Password

20200803 The password command will generate a good password. By default a single password of length 16 is generated. The number of passwords and the length of the passwords can be specified. Punctuation is included with the --punct option. Punctuation is often referred to as special characters.

In the first example we generate 5 random passwords of the default length. characters:

$ wajig password 5
ahR3eiNgohuuPh8p
ieso6ohBahaiph9I
Hainei2gudPhie3K
Cai9Ieph3vkae6Ar
be4Yeigha3Aez2ar

Passwords of length longer than 12 are usually recommended, but you can choose shorter passwords if you like. Here's a set of passwords of length 10:

$ wajig password 5 10
Iw5ieWiew2
iengiem5ER
reil4chole
gae8shie4Y
zai7eezaas

Punctuation or special characters can be included:

$ wajig password --punct 5
]'mq_lPNiv#F}&-Y
!c17>`l\tb)*E_Os
Ixml.ZUU,mW;_pp#
KPAQL!L"-xty_FLW
eQZo8XYea_Z=YrR*

To find out what is happening underneath use the --teach option:

$ wajig password --teach 5
pwgen 16 5 | tr ' ' '\n'

ahR3eiNgohuuPh8p
ieso6ohBahaiph9I
Hainei2gudPhie3K
Cai9Ieph3vkae6Ar
be4Yeigha3Aez2ar

Knowing this we can create a file of random usernames (generated as user followed by two random characters) and passwords (of length 15) which can be used to add users to the system. A simple bash command line is:

for i in {1..5}; do
  u=`pwgen 2`
  p=`pwgen 15`
  echo user$u:$p
done

The output looks like:

userji:haelio9ohphieSa
userdi:CaiQu8leiShaewe
userHV:hoo1uhahPeew7ee
userrT:ohcemai5jiekeXi
userOB:eemahMaeQuoo6Ao


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Other online resources include the Data Science Desktop Survival Guide.
Books available on Amazon include Data Mining with Rattle and Essentials of Data Science.
Popular open source software includes rattle and wajig.
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