View apt history


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 
 
 

Monitoring response time with curl

   curl -s -o /dev/null -w "Conecction: %{time_connect}s | Start transfer: %{time_starttransfer}s | Total time: %{time_total}s\n" ...

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