Sad Server's Linux challenges

Here I'm archiving my solutions to the SadServers - Linux & DevOps Troubleshooting Interviews list of scenarios.

Santiago - Find the secret combination

#bash #find #grep #cut

Saint John - What is writing to this log file

#bash #top #ps #grep #find #kill

Saskatoon - Counting IPS

#bash #wc #grep #sort

Taipei - Come a-knocking

#bash #namp #knockd #curl #nmap

Lhasa - Easy Math

#bash #cut #wc

x Bucharest - Connecting to Postgres

Apia - Needle in a Haystack

#diff #bash #awk

Gitega - Find the Bad Git Commit

#git #gitBisect

Minneapolis - Break a CSV file

#bash #csv #tail #head

Saint Paul - Merge Many CSVs files

#bash #csv #tail #head

Bata - Find in proc

#bash #find #grep #DataStreams

Geneva - Renew an SSL Certificate

#bash #openssl #nginx #systemctl

Yokohama - Linux Users Working Together

#bash

Tokyo - Can't serve web file

#bash #curl #ping #ss #iptables #chmod

Unimak Iland - Fun with Mr Jason