Failed ssh login attempts

On Debian/Ubuntu

awk '/sshd.*Failed/ { for (f=1; f<NF; f++) if ( $f ~ "from" ) print $2, $1, $(f-1), $(f+1) }' /var/log/auth.log*

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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