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hdiutil attach /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app

hdiutil convert /Volumes/install_app/BaseSystem.dmg -format UDSP -o /tmp/El\ Capitan

hdiutil resize -size 9g /tmp/El\ Capitan.sparseimage

hdiutil attach /tmp/El\ Capitan.sparseimage -noverify -nobrowse -mountpoint /Volumes/install_build

rm /Volumes/install_build/System/Installation/Packages

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#!/bin/bash

#usage
#   ./search.sh "(uid=person)" mail
# returns the "mail" value from uid person


ldaphost=ldap://server:389
ldapuser=cn=config
ldappass=password_hele

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# Find Replace in files

find /path -type f -iname "*.txt" -exec sed -i.bak 's/foo/bar/g' "{}" +;



# Get a .gitignore with common ignore patterns

wget -O - https://www.gitignore.io/api/intellij,node,eclipse,visualstudio,linux,osx,windows,elasticbeanstalk > .gitignore

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iptables -t nat -A POSTROUTING -j MASQUERADE
iptables -I INPUT -s 10.0.0.0/8 -j ACCEPT
iptables -I FORWARD -s 10.0.0.0/8 -j ACCEPT
iptables -I FORWARD -d 10.0.0.0/8 -j ACCEPT


#sysctl -w net.ipv4.ip_forward=1

iptables -I INPUT -i tun+ -j ACCEPT
iptables -I FORWARD -i tun+ -j ACCEPT

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#This may be a little misleading because the */cmd/in is input to the pipe, therefore output from cat.
#therefore */cmd/out is output from the pipe, and therefore input from cat.

cat >/tmp/com.thelazycoder.PipesBomb/cmd/in|tee </tmp/com.thelazycoder.PipesBomb/cmd/out 

# This can be used with input and output from command line executables as well.

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#!/bin/sh

whoami=`whoami`
if [ $whoami == 'root' ]; then

        echo "Generating New Email User"
        useradd -G emailusers $1
        echo "Creating Directory in Share"
        mkdir -p /space/home/$1/Maildir
        echo "Setting ownership to $1:$1"

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Add Open With Sublime Service.

  1. Open Automator.
  2. New Service as "Shell Script"
  3. /Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl -n $$
  4. Save as "Open In Sublime"


Add Command Functionality to open in sublime text

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# copied from https://www.e-rave.nl/create-a-self-signed-ssl-key-for-postfix

openssl genrsa -des3 -out mail.domain.tld.key 2048
chmod 600 mail.domain.tld.key
openssl req -new -key mail.domain.tld.key -out mail.domain.tld.csr
openssl x509 -req -days 365 -in mail.domain.tld.csr -signkey mail.domain.tld.key -out mail.domain.tld.crt
openssl rsa -in mail.domain.tld.key -out mail.domain.tld.key.nopass
mv mail.domain.tld.key.nopass mail.domain.tld.key
openssl req -new -x509 -extensions v3_ca -keyout cakey.pem -out cacert.pem -days 3650
chmod 600 mail.domain.tld.key

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chcon -R --reference=/var/www/html/ /var/www/html/anotherFolder