Here is the video version, if you prefer it:
Upgrading your packages means installing newer versions of them. You do so by running: (Shotts, 2019)
apt-get upgrade
You do need to prefix it with sudo.
Hope you learned something useful!
References
Shotts, W. (2019). The Linux Command Line, Fifth Internet Edition. Retrieved from http://linuxcommand.org/tlcl.php. Pages 201-202
NewsletterUpdates on interesting things I am doing
Subscribe to my newsletter to keep abreast of the interesting things I'm doing. I will send you the newsletter only when there is something interesting. This means 0% spam, 100% interesting content.