Managing users

- Depending on what your server is gonna be used for…you may need to manually manage…user accounts for other people.…User accounts help to keep things separate.…Different humans using the system…should have their own accounts.…And different programs or services can also have…dedicated user accounts, as well.…Even on a clean install of Ubuntu server,…there's a number of user accounts already defined.…User accounts are stored in the /etc/passwd file.…So here on my server, we can take a look at that…and see how many accounts already exist.…

This is my user and I can see that there's also accounts…for the SSH server, for LXD,…for a web server, for mail, and even for man.…We can manage users at the command line.…There's a collection of commands that do this.…Most notably,…adduser, usermod, and deluser.…Adduser and deluser interface with lower level commands…called useradd and userdel…which is a little confusing.…So, I always remember that the ones I want to use…start with an action, which sounds more natural to me.…