CentOS

My Ethernet was working until I ran

yum group install "Server with GUI"

after the install finished it disconnected me from ethernet. How do I reconnect?

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nmcli 
virbr0: connected to virbr0
	"virbr0"
	bridge ...
	
enp9s0: disconnnected
	"Marvel 88E8040"
	ethernet (sky2), 00:25..., hw, mtu 65536

My /etc/sysconfig/network-scripts is empty.

The 'enp9s0' is name of device.
You can list devices with: nmcli d s
You can list connections with: nmcli c s

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nmcli c up $CONN

Where $CONN is the name or uuid of a connection. Could be 'enp9s0' or something else.

However, that just starts a connection now (unless there is some error that prevents it).

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nmcli -f connection c s $CONN

Shows part of config of $CONN.

For future reference the solution is

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nmcli connection add type ethernet autoconnect yes

CentOS

[Sovled] Ethernet disconnected after yum group install "Server with GUI"

[Sovled] Ethernet disconnected after yum group install "Server with GUI"

Re: Ethernet disconnected after yum group install "Server with GUI"

Re: Ethernet disconnected after yum group install "Server with GUI"