$ sudo apt-get install pwgen
$ pwgen
Result:
ohp1Shei Keiwohr9 nahThe8a Gie6Fiev xie0Un0v phi0GaiL Ie2quufo angie6Qu sahgoh6U Rubaot4o iphei1Ki tah2uChe oP9uong7 aixieJ0i Yachae6e chipa6In Reem3ahM ohda2Cei Eib5ohno gieLa0ze uighoo6X Shoom1Ee Goope5sh Viewah1a Jaito1oo chua9kiD du4eiP3y yohlie4T oc8oPhez Fu1quo0x bei1eaGh thahqu3K Zeila2ai Aosho2ag fie5aiV8 ooKejiv0 Ieb2kait eeg3Xoh0 quaete7E Shoo5eix iej2Iehe kee1Ohyu jeuDae9z eeShoh8j Ieth8Hai Queinai8 Zuce3ahb Oqu7ohd6 Thohtei0 aeT0ieth zur6teoZ doh0Oon2 Kooj1Lee uiDoh3jo ohHaiw1r uhet0eiX Jolei3do to8Thohh Lohmook0 fohH3jei pah1uRae HioTie4e jequ0Iet AhM5ieSo Voo3uTah Woo4eith Kai1aeth oazu1oT3 Toovah2e Aiz1uing yeiph8Ze Ayoo0po3 Gohqu3zu yohXesh4 pooXai7j zoo6de7E jicoo2oF uo5iez0U ieS7eeYe peFah4ph eihuoTh7 kooPh4ei Fat6aong re6Axai7 gieNg2ae omaeHee3 Shai3xep yin5aaJu Zuy3aaho ci3aiH1o aefo5aeW Sei3Phuu cu2wuaZu uu5ReeCo ohNgav5g OhLe9pha aPei4Iep Xae3Gefu fu8Wixae eox2Duuk Isahcie6 eegai7Mu Reibohj6 noh7AhL4 ea5Thae1 vongoh3W Eey7Uz9h ael4ooBu Lai2iuj2 iaSheap3 Alae8ao3 ee1Aetha reilaX8O Eenohj2y shee7Or9 uGh4eino Ohyot0mo iShuad9t kei0Eeko iequie8E nooN2kia ahn5kooH eizaa2Pi Aeth1aof Xalo3ohS Aoquuv2L Aij3pho0 Dah7ooF4 ohwa5ohY daf7JauT Ieko6bih Oox7ieko lain8Eil xe7Af8ei biepooX0 ju8Ied8A zagol7Qu EeM2etio eeW3ahno Chae5pho Nid0ceiz vie5Goo5 eW3ahbei Eik4thao Aer9Dini oos8Eeho fi4aBi2R aid2Chei Oob1Eipu iiJie1sh xeiDoo4o Amuu8bah sheiP9oh AeguGae9 iChee2oh Gah2yahy ZaiPh9Ah Pek0hahj BieM4ahs ooS6chah
Get more information
$ pwgen --help
Usage: pwgen [ OPTIONS ] [ pw_length ] [ num_pw ] Options supported by pwgen: -c or --capitalize Include at least one capital letter in the password -A or --no-capitalize Don't include capital letters in the password -n or --numerals Include at least one number in the password -0 or --no-numerals Don't include numbers in the password -y or --symbols Include at least one special symbol in the password -s or --secure Generate completely random passwords -B or --ambiguous Don't include ambiguous characters in the password -h or --help Print a help message -H or --sha1=path/to/file[#seed] Use sha1 hash of given file as a (not so) random generator -C Print the generated passwords in columns -1 Don't print the generated passwords in columns -v or --no-vowels Do not use any vowels so as to avoid accidental nasty words