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#* If you can't reconnect, use your control terminal window to find any mistakes you may have made. Remember, don't disconnect from your control terminal until you're sure you can reconnect! Use as many test terminal windows as you need.
= INVESTIGATION 4: Confirming Your Linux Work = ===Running a Shell Script to Check Your Work=== Although you have been double-checking your work (right?), you ''might'' have made some mistakes. For example:* Forgetting to enable iptables.* Missing a firewall rule.* Forgetting to update Linux. To check for mistakes, a '''shell script''' has been created to check your work. '''If the checking shell script detects an error''', then it will tell you and offer constructive feedback on how to fix that problem so you can re-run the checking shell scripts until your work is correct. Perform the following steps:[[Image:script-check-lab2.png|thumb|right|500px|If all checks pass, then user performed task correctly and can continue.]] # Change directories to ~bin: <code>cd ~/bin</code># Make sure you have the most recent lab files: <code>git pull</code># Change back to your home directory: <code>~</code># Run the checking script for your Linux work in this lab: <code>labcheck2.sh</code>#* If you encounter errors, then view the feedback to make corrections, and then re-run the checking script.#* If all checks pass, then proceed to the next part.# Assuming you passed all checks, take a screenshot of the full script output. You'll need it for later. = INVESTIGATION 5: Updating Windows Server 2019 =
Updating your Windows Server VM in Azure is a little bit easier. It takes advantage of the cloud infrastructure to allow point-and-click updates.
