ls /var/log/secure | xargs grep -E "[[:digit:]]+.[[:digit:]]+.[[:digit:]]+.[[:digit:]]+" -o | sort | uniq
last -f /var/log/btmp | more
cat /var/log/secure* | grep "Accepted" | awk '{print $9"\t"$11"\t"$14}' | sort | uniq
route (0) | 2022.06.30 |
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CentOS Linux 8 EOL (0) | 2022.02.10 |