Generate random password

randpw(){ < /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c${1:-16};echo;}
Generates password consisting of alphanumeric characters, defaults to 16 characters unless argument given.
Sample Output
frozenfire@sine:~$ randpw 10
9qDVnEYNGx
frozenfire@sine:~$ randpw
6PkWNDsFVTiuKmpX

3
2009-08-07 07:30:57

5 Alternatives + Submit Alt

What Others Think

It doesn't work...
Tont · 762 weeks and 3 days ago
2Tont: randpw(){ < /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c${1:-16};echo;}; randpw
unixmonkey5015 · 762 weeks and 3 days ago
Why not use "pwgen" ? Example: pwgen oWa2Johb Af5ooji0 eij2Boo6 OcheaH4o eiV9vahr unewo0Yu aiWi6quo meNeez2u Aeneey9a wiJae3Ae sahg3Noo oox4Phai fae9Ao7a AiM4dieh Aebuu3ai Auko5thi eo2rohV4 Ahquee0i aavou2Ie dee1eeQu Neceeth2 Engoo5Ah aT4Racha ohcha9Go Too8zih8 quahS2Gu ro6ooH9j bo9Ahva3 phiePai1 Chohs3Wa aphuu9Je Waixu0qu zo8cuPie ahC2ohb9 Dae6joo7 Nu1eigoh oath3Ush aePai6ua Ohz4bae0 Ohsah1ai faezuG0U ISapai0p eLa0uewa Ui9zaivi oob4xiNg Ohth6Lie Aex4thie udeeB8Ho ieV9eel1 soX6nai9 er3Aif2O Kaethee4 iu7wieKi epha2uL7 ooyohX8o haich2Co ev1lahN2 yohf4Chu Ca2jeeS4 hi5Geey3 xei6ELoo vipah8Ei ohgh1Odu aeYoosu3 ooYa5No0 OS6Maxao IFaewu9b phoph3Jo Ieg3EGo5 Quealee7 awaiX4os Koe5og1Y zo6Aem5w Iengee1l aed9Pha3 mohR3sai Zien0cee pang3ooN aihah9Ai jee2Aghu aht9eThu rideis5P ooW0kie3 eith9Jae KieBaiT7 xahShai7 Soh7esaH OeYoo5ki Auphooh1 Yee2uuYa jahPi3Zo fau5ShoC eeyoo5Ah oosiL2ah oodef6Ah jieToa9b Caethu6p meeF8the aiz7Cah4 eiyo9Ail vahd5eeC eh2ohKoo einae9Oh buX0fohG ieSagh1a eeP5Quo4 eik8ohCh fi8Iev3h aeX3Chah voo9Ea2N oeR4ieT7 oe5sahCh aK6eixe7 Ahpo3eow Ucawoh7f reach7Je fab6Seej ohM1ooph eoYoobi0 eichu8Ei Iu9ahche usa1Thae Iengeem2 Fe1isobi boid9AiR eg8Iejai pasah5Ah leiN5eex tee7aDoo peu8aeBu hapai8Oo Rahpahh8 Gou9tahf Ohko5kai xahra9Oh Eiphek1U uRoo3aeY ezeix1Fe Doos4ish eiShei7O oseiMe4a Shoo7zoh Aegh3agi aeKathi6 me3eiLoa ielohs2J ieFee5oh ashooM8o daeX8eow ahyah4Ee eeThieh7 faes0Afa ohboh9Ee chasieR9 Xaa1fee7 iQuo6uth jex9aiRa oaN5paey ai8Ci9ea Ochah6ot
mpb · 762 weeks and 3 days ago
yeah as mpb said, use pwgen if you can. It has the benefit that is generates passwords that are likely phonetically pronouncable. So if you can remember what the gibberish sounds like it will be easier to remember.
bwoodacre · 762 weeks and 3 days ago
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pugpuppies95 · 34 weeks 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?

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