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Allan Medeiros de Azevedo
Works at Secretaria da Fazenda do Estado do Tocantins
Attended Instituto Federal de Educação, Ciência e Tecnologia do Tocantins
Lives in Palmas, TO
5,385 followers|2,040,626 views
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Help is only 140 million miles away. Watch the exclusive new trailer for The Martian, in theaters October 2. #BringHimHome
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Think this is what they do all day? From the humans behind Despicable Me, watch the trailer for The Secret Life of Pets – in theaters Summer 2016!
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Muito divertido! Gostei!
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Europa / Jupiter, by NASA Voyager. (credit: NASA/Kinetikon Pictures) via +reddit.
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Starting a command with one more more spaces prevents it from going into the bash or zsh history.

So if you have to enter something on the commandline that contains secrets as part of the commandline, start the line with a space.

Note that the secret probably still is showing in "ps auxwww" output.

This works, because of the HISTCONTROL environment variable: Setting it to "ignorespace" causes this behavior. "ignoredups" causes lines matching previous history entries not to be saved. If you set "erasedups" instead, the old entry is being deleted and the recent occurence is being saved.

(Also shown: HISTTIMEFORMAT, so you get a dated history)

$ env | grep HIST
HISTCONTROL=ignoredups:ignorespace
HISTTIMEFORMAT=%Y-%m-%d %H:%M:%S

/cc +nixCraft This is old, but apparently not well known.
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Solar eclipse from above the clouds of the Faroe Islands
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Magical Photos Of Siberian Huskies Playing On A Mirror-Like Frozen Lake In Russia’s Arctic Region (14 pics):

www.boredpanda.com/siberian-husky-frozen-lake-dog-photos-fox-grom/

#husky   #arctic   #russia   #nature   #dogs   #doglovers  
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Allan's Collections
Story
Tagline
1 + 1 = 10
Introduction
Just a drop of water in an endless sea...
Education
  • Instituto Federal de Educação, Ciência e Tecnologia do Tocantins
    Técnico em Informática
Basic Information
Gender
Male
Work
Employment
  • Secretaria da Fazenda do Estado do Tocantins
    Developer, 2011 - present
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Palmas, TO
Previously
Brasília, DF - Garanhuns, PE