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Show recently installed packages 
grep "install " /var/log/dpkg.log
 
Show recently upgraded packages 
grep "upgrade " /var/log/dpkg.log 

Show recently removed packages 
grep "remove " /var/log/dpkg.log 
 
To view info from old log files use zgrep instead grep
zgrep "upgrade " /var/log/dpkg.log.2.gz 
 
 

How to list open ports and application using them in Windows

  netstat -abn or netstat -a -n -p tcp -o

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