An accessible and comprehensive troubleshooting script, iteratively added by the community, that has clear & transparent steps using only baked-in linux tools.

troubleshoot.sh

#!/bin/bash

echo "Welcome to the troubleshooting script!"
echo "Every item produced by this script will be pushed to a file called 'ts_session.txt'"
echo "We will narrate this script as it proceeds, you can transparently see every action it takes."

echo "First we want to know how much RAM your VM has:"
sleep 4
echo "RAM information" >> ts_session.txt
cat /proc/meminfo | head -n 1 >> ts_session.txt

echo "Next we will get some CPU information:"
sleep 3
echo "CPU Information:" >> ts_session.txt
cat /proc/cpuinfo' | grep 'processor\|model name' >> ts_session.txt