I ran the following command to see what the dependencies were (see below).
Plasma-nm looks like its used for managing network connections, possibly mobile
related. And wwan provides support for mobile broadband
devices. Since I'm running this server on standard NICs (Realtek Semiconductor
Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet
Controller), I don't see why ModemManager needs to be enabled.
[R@Y /usr]# dnf repoquery --whatrequires ModemManager
Updating Subscription Management repositories.
Unable to read consumer identity
This system is not registered with an entitlement server. You can use
subscription-manager to register.
Last metadata expiration check: 0:02:32 ago on Thu 18 Nov 2021 03:50:15 PM EST.
NetworkManager-wwan-1:1.32.0-0.1.el8.x86_64
NetworkManager-wwan-1:1.32.0-0.2.el8.x86_64
NetworkManager-wwan-1:1.32.0-0.3.el8.x86_64
NetworkManager-wwan-1:1.32.0-0.4.el8.x86_64
NetworkManager-wwan-1:1.32.0-0.5.el8.x86_64
NetworkManager-wwan-1:1.32.0-1.el8.x86_64
NetworkManager-wwan-1:1.32.10-2.el8.x86_64
NetworkManager-wwan-1:1.32.2-1.el8.x86_64
NetworkManager-wwan-1:1.32.3-0.z.2.20e3975fd2.el8.x86_64
NetworkManager-wwan-1:1.32.3-0.z.3.d8706caef2.el8.x86_64
NetworkManager-wwan-1:1.32.4-1.el8.x86_64
NetworkManager-wwan-1:1.32.6-1.el8.x86_64
NetworkManager-wwan-1:1.32.8-1.el8.x86_64
NetworkManager-wwan-1:1.34.0-0.1.el8.x86_64
NetworkManager-wwan-1:1.34.0-0.2.el8.x86_64
NetworkManager-wwan-1:1.34.0-0.3.el8.x86_64
plasma-nm-mobile-0:5.22.5-1.el8.x86_64
Thanks for the replies,
Jay
> Without knowing what kind of network, what kind of workload etc.. the
> answer is 'no idea'. In most cases, you are going to have to make this
> sort of judgement yourself and in the end, if it is off and you needed
> it because some weird network or bluetooth keyboard acts like a
> modem.. then you can turn it on. [well if you have a plugged in
> keyboard.]
>
> On Thu, 18 Nov 2021 at 10:00, Jay Hart wrote:
>>
>> Any answers here?
>>
>> Jay
>>
>> > For a hard wired only server, does ModemManger need to be enabled?
>> >
>> > The only thing that ever might be hooked up to this server would be an
>> > external USB DVD drive.
>> >
>> > Thanks in Advance,
>> >
>> > Jay
>> >
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>>
>>
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> battle. -- Ian MacClaren
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