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CSSLP Certification All-in-One Exam Guide 2nd Edition
CHAPTER 1
General Security Concepts
• Learn basic terminology associated with computer and information security
• Discover the basic approaches to computer and information security
• Examine security models used to implement security in systems
• Explore the types of adversaries associated with software security
GENERAL SECURITY CONCEPTS
Secure software development is intimately tied to the information security domain. For members of the software development team to develop secure software, a reasonable knowledge of security principles is required. The first knowledge domain area, Secure Software Concepts, comprises a collection of principles, tenets, and guidelines from the information security domain. Understanding these concepts as they apply to software development is a foundation of secure software development.
Security Basics

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Linux Networking Commands

# ifconfig : Display network interface information.
# ip address show : Show/manipulate routing, devices, policy routing,and tunnels.
# route -n : Display or manipulate the IP routing table.
# ping google.com : Send ICMP ECHO_REQUEST to network hosts.
# traceroute google.com : Print the route packets trace to network host.
# netstat -an : Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships.
# ss -tulpn : Display socket statistics.
# hostname : Show or set the system's host name.

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alias dirs="ls -al | grep '^d'"
alias l="ls -al"
alias lf="ls -aFG"
alias lm="ls -al|more"
alias h="history"
alias html="cd /web/apache/htdocs/devdaily/html"
alias logs="cd /web/apache/htdocs/devdaily/logs"
alias qp="ps auxwww|more"
alias nu="who|wc -l"

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# Source Control Workflows in Xcode9
 
 - Pull/push code
 - Commit
 - Branching
 
 
 #Pull/Push code:
 Clone/Pull: download code from remote
 Push: put local-changes to remote

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Install Homebrew OS X package manager:
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Install ffmpeg with x265 support:
brew install ffmpeg --with-fdk-aac --with-ffplay --with-freetype --with-libass --with-libquvi --with-libvorbis --with-libvpx --with-opus --with-x265

Convert video to x265:
ffmpeg -i input -c:v libx265 -preset medium -crf 28 -c:a aac -b:a 128k output.mp4

Uninstall ffmpeg:

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# Change batch video play speed in folder 

#!/bin/bash
SAVEIFS=$IFS
IFS=$(echo -en "\n\b")
for f in *
do
  ffmpeg -i "$f" -filter_complex "[0:v]setpts=0.625*PTS[v];[0:a]atempo=1.6[a]" -map "[v]" -map "[a]" "$f-UF.mp4"
done
IFS=$SAVEIFS

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# Add following lines to info.plist

<key>NSLocationWhenInUseUsageDescription</key>
<string>Your message is here.</string>

<key>NSLocationAlwaysUsageDescription</key>
<string>I Your message is here</string>

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# Add following lines to info.plist file
# Change domain name with your preferred domain.

<key>NSAppTransportSecurity</key>
<dict>
  <key>NSExceptionDomains</key>
  <dict>
    <key>yourserver.com</key>
    <dict>
      <!--Include to allow subdomains-->