Hi.

How is sudo and ufw enabled if the service is not activated in the MATE Control Center?

I can use sudo without issue and as can be seen in the image, the UFW is working in GUFW.

Can someone explain all this?

Thanks.

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Sudo can be enabled by editing the sudoers file. There's a special command for doing so: visudo. This article will tell you more: https://wiki.debian.org/sudo

Uncomplicated firewall (which is what I assume you mean by ufw, as opposed to the United Farm
Workers of America) is an application which you will need to install. It is used to configure iptables; gufw is a GUI interface for iptables that is easier to use than ufw. You can also configure iptables by writing iptables rules directly.

Both ufw and gufw should be in the repos.

Hi Frank.

But as I said, I already use sudo.

Both ufw and gufw are already installed.

My confusion is due to both sudo and ufw not being activated according to the services option in MATE Control Center.

What the?

The short answer is this: They have nothing to with MATE. They work at an OS level, not at a GUI level.

It would be possible for the MATE developers to include firewall configuration capability in MATE if they wished to, but that might make MATE less portable to other versions of Linux. The Magiea Control Center and OpenSuSE's YAST both include firewall configuration items, so it can be done.

The same goes for sudo configuration capability, but, in all my distro hopping I have not seen a "control center" that includes sudo configuration, when visudo is readily available. Remember, most distros, aside from Ubuntu and its derivatives, do not default to sudo; they default to su. Sudo is historically intended to be used to give users specific access to particular rights that they need to do their tasks, not blanket access to root capability. Ubuntu's use of it is--how shall I put this tactfully?--aberrant.

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Thanks for the explanation. (-;