#! /bin/bash @_bin_bash

Joined September 2011

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#! /bin/bash @_bin_bash

14 years ago

# echo -e "$(sed 's/#Port 22/Port 2222/' /etc/ssh/sshd_config)" > /etc/ssh/sshd_config # Changing sshd port configuration.

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#! /bin/bash @_bin_bash

14 years ago

# for i in user1 user2 user3 ; do useradd $i ; echo "test" | passwd $i --stdin; done # Mass user creation with "test" password.

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#! /bin/bash @_bin_bash

14 years ago

# restorecon -vv -F /etc/resolv.conf # Restore file context. #selinux

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#! /bin/bash @_bin_bash

14 years ago

semanage port -a -t http_port_t -p tcp 8888 # Add port 8888 to http_port_t context. #selinux

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#! /bin/bash @_bin_bash

14 years ago

python -c 'import crypt; print crypt.crypt("MyPass", "$6$SomeSalt$")' # Generate salted SHA512 shadow password.

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#! /bin/bash @_bin_bash

14 years ago

tail -f access.log | awk -F " " '{system("echo -n $(date -d @\"" $1 "\")") ; $1=""; print $0 }' # Real time convert timestamp.

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Command Line Magic @climagic

14 years ago

openssl -h |& grep client # Use |& to pipe stderr so that you can search for what the client command is for openssl.

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#! /bin/bash @_bin_bash

14 years ago

echo {00..10..2} # Sequence from 0 up to 10, incrementing 2. All items contain same number of digits, zero-padding where necessary.

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#! /bin/bash @_bin_bash

14 years ago

ls -l test; !!:s/test/log/ # Repeat the last command (ls), replacing "test" with "log".

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#! /bin/bash @_bin_bash

14 years ago

!cat # Repeat last "cat" command.

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#! /bin/bash @_bin_bash

14 years ago

!! # Repeat last command.

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Amador Pahim @amadorpahim

14 years ago

var="cdefg.hi.j.k.lm.nopq"; echo ${var%.*} # Remove a ocorrência mais curta do padrão informado após o "%", do fim para o começo. @_bin_bash

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#! /bin/bash @_bin_bash

14 years ago

var="00:21:27:e4:05:28"; echo ${var:3:2} # Expand up to 2 characters starting at index 3 character.

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#! /bin/bash @_bin_bash

14 years ago

[[ test@foo.bar =~ [a-z0-9]{3,15}@foo.[a-z]{2,3} ]] && echo OK || echo NO; # Testing regex. @RegexTip

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#! /bin/bash @_bin_bash

14 years ago

var="example"; var+=".foo.bar" # Append to the value of variable.

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#! /bin/bash @_bin_bash

14 years ago

date -d @1299569890 # Convert Unix timestamp to readable date/time.

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Elliot Shank ✶✶✶✶ @clonezone

14 years ago

Today’s #bash lesson: you can use any of the bracketing constructs as part of the definition and get the side-effects of those brackets.

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#! /bin/bash @_bin_bash

14 years ago

We RT your #bash #tip!

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#! /bin/bash @_bin_bash

14 years ago

var="test"; echo ${var^} # Capitalize the first character.

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#! /bin/bash @_bin_bash

14 years ago

echo $(($RANDOM % 20 + 1)) # Random number between 1 and 20.

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#! /bin/bash @_bin_bash

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#! /bin/bash @_bin_bash

#! /bin/bash @_bin_bash

#! /bin/bash @_bin_bash

#! /bin/bash @_bin_bash

Command Line Magic @climagic

#! /bin/bash @_bin_bash

#! /bin/bash @_bin_bash

#! /bin/bash @_bin_bash

#! /bin/bash @_bin_bash

Amador Pahim @amadorpahim

#! /bin/bash @_bin_bash

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#! /bin/bash @_bin_bash

#! /bin/bash @_bin_bash

Elliot Shank ✶✶✶✶ @clonezone

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#! /bin/bash @_bin_bash

Sam @slypix

bblgmsd @bblgmsd

Aiden Mortis 🧪 @aizen89r

Anthony Romano @bashscriptdef

Andreas Frank @andreasgfrank

Jovino Gonçalves @jovinosumicity

RoberZGuerra @RoberZGuerra

Hristo Malinov @hmalinov

Hiroshi @1992_Hiroshi

Felipe Lima @felipefls

shell_script @shell_script

Douglas Landgraf @dougsland

Esdras Moreira @esdrasmo

Fabrício Müller @fabricio8800

Wiliam P Castilhos @wpcastil

Carlos Vasata @cevasata

Geraldo Albuquerque @AprendiNoLinux

Leo Manfredini @leomanfredini

Marcos Freddo🇧🇷... @marcosfreddo

Brayan Poloni @brayanpoloni

Jeronimo Zucco @jczucco

Amador Pahim @amadorpahim

Fabrício Müller @fabricio8800

Esdras Moreira @esdrasmo

Wiliam P Castilhos @wpcastil

Douglas Landgraf @dougsland

Odair Bourscheidt @odair_sr

Leo Manfredini @leomanfredini

Regular Expression @RegexTip

Web Hacks @webhax

Nagarjuna @TechSavyTweets

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Geraldo Albuquerque @AprendiNoLinux

Никитос Ива... @greenlool

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Kenny Casagrande @kennycasagrande

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